Heating/Vent/Air-Conditioning And Refrig (Hvac/R) Contractors in Washington
739 active, licensed heating/vent/air-conditioning and refrig (hvac/r) contractors statewide.
| Business | City | Type | License # | Phone | Expires |
|---|---|---|---|---|---|
| 509 Mechanical Llc | Moxee | Construction Contractor | 509MEML791KP | (509) 910-7160 | 2027-05-18 |
| 777 Hvac Llc | Vancouver | Construction Contractor | 777HVHL785K7 | (360) 903-3590 | 2028-05-27 |
| 7bluesky Heating & Air Llp | Pasco | Construction Contractor | 7BLUEHA766BP | (360) 830-7963 | 2028-02-05 |
| Aaa Hvac Llc | Lynnwood | Construction Contractor | AAAHVHL916ON | (206) 355-0442 | 2028-01-07 |
| Aarden Air Service Llc | Marysville | Construction Contractor | AARDEAS928KW | (866) 559-9174 | 2027-04-28 |
| Abc-Hvac | Tacoma | Construction Contractor | ABCHV**852CR | (253) 217-0634 | 2027-06-02 |
| Absolute Air Inc | Port Angeles | Construction Contractor | ABSOLAI990KB | (360) 452-8444 | 2027-05-31 |
| Absolute Gas Services | Mill Creek | Construction Contractor | ABSOLGS002BU | (425) 743-3747 | 2027-03-08 |
| Absolute Heating/Clg Sltns Llc | Vancouver | Construction Contractor | ABSOLHS885DG | (360) 521-5355 | 2028-03-12 |
| Absolute Heating & Cooling Inc | Auburn | Construction Contractor | ABSOLHC867PZ | (253) 740-1621 | 2026-10-20 |
| Accuflo Air Systems Llc | Veradale | Construction Contractor | ACCUFAS842LA | (509) 921-1035 | 2028-06-01 |
| Accurate Balancing Agency Inc | Beaverton | Construction Contractor | ACCURBA081L9 | (503) 297-6594 | 2026-07-23 |
| Accurate Mechanical Llc | Seattle | Construction Contractor | ACCURML765JS | (206) 644-4200 | 2028-05-19 |
| Ace Air Conditioning Inc | Debary | Construction Contractor | ACEAIAC818LE | (386) 668-8651 | 2027-06-17 |
| Ace Heating & Cooling | Prosser | Construction Contractor | ACEHEHC977P7 | (509) 947-1821 | 2027-01-29 |
| Ace Hvac Service Llc | Seattle | Construction Contractor | ACEHVHS797OT | (206) 354-0772 | 2027-09-02 |
| Ac Furnace Guys Llc | Mount Vernon | Construction Contractor | ACFURFG741K6 | (360) 503-6806 | 2028-05-26 |
| Acme-Refrigeration And Htg Llc | Bonney Lake | Construction Contractor | ACMERHL793DU | (253) 202-5551 | 2028-02-28 |
| Ac Nw Heating & Cooling Inc | Woodland | Construction Contractor | ACNWHNH801QP | (360) 560-5575 | 2026-11-17 |
| Acnw Llc | Spokane | Construction Contractor | ACNWLL*806P2 | (208) 659-8215 | 2026-11-15 |
| Action Heating/Air Condtng | Carnation | Construction Contractor | ACTIOHA172MN | (425) 451-1464 | 2027-07-12 |
| A & D Mechanical | Marysville | Construction Contractor | DMECHDM902CD | (425) 923-5923 | 2028-04-25 |
| Admiralty Heating & Air | Port Hadlock | Construction Contractor | ADMIRHA819LP | (360) 461-8669 | 2027-06-17 |
| Adon'S Heating& Mechanical | Tacoma | Construction Contractor | ADONSHM771MG | (253) 314-2636 | 2028-06-10 |
| Advanced Comfort Systems Inc | Moses Lake | Construction Contractor | ADVANCS900JE | (509) 764-0341 | 2028-02-15 |
| Advanced Energy Savers Inc | Seattle | Construction Contractor | ADVANES100K9 | (206) 241-7930 | 2028-05-21 |
| Advanced Mechanical Sys Inc | Spokane Valley | Construction Contractor | ADVANMS164QL | (509) 534-0547 | 2028-01-20 |
| Advanced Mech Htg & Clg, Llc | Longview | Construction Contractor | ADVANMH767JR | (360) 703-7113 | 2028-04-19 |
| Aeroheat Llc | Mill Creek | Construction Contractor | AEROHL*743DO | (425) 540-7407 | 2028-03-30 |
| Aeroseal Llc | Miamisburg | Construction Contractor | AEROSL*833LG | (937) 428-9300 | 2028-03-09 |
| A F Gas Installation Llc | Bellevue | Construction Contractor | FGASIFG816RS | (253) 289-9821 | 2027-12-10 |
| Airbest Home Services | Puyallup | Construction Contractor | AIRBEHS760LO | (253) 248-5170 | 2028-06-21 |
| Aircare Usa Inc | Renton | Construction Contractor | AIRCAUI855R3 | (253) 854-5289 | 2028-01-14 |
| Aircod Heating & Cooling Llc | Vancouver | Construction Contractor | AIRCOHC773QW | (971) 294-1215 | 2028-01-12 |
| Airco Heating & Ac Llc | Battle Ground | Construction Contractor | AIRCOHA7755T | (360) 713-4183 | 2027-08-30 |
| Airco Mechanical Llc | Post Falls | Construction Contractor | AIRCOML894UD | (208) 904-3899 | 2027-03-05 |
| Air Comfort Inc | Portland | Construction Contractor | AIRCOI*990P9 | (503) 639-3535 | 2028-04-07 |
| Aircon Electric Llc | Battleground | Construction Contractor | AIRCOEL855RN | (360) 608-5954 | 2027-12-15 |
| Air Doctor Htng Clng Serv Inc | Vancouver | Construction Contractor | AIRDODH881BO | (360) 553-8700 | 2027-11-14 |
| Air Ductors Inc | Marysville | Construction Contractor | AIRDUDI932N3 | (800) 970-3828 | 2027-08-23 |
| Aire Serv Of Spokane | Spokane | Construction Contractor | AIRESSS897RT | (509) 535-4822 | 2027-12-30 |
| Air Exchange Inc | Vancouver | Construction Contractor | AIREXEI944NP | (360) 852-2940 | 2026-08-19 |
| Air Filters Northwest Inc | Tigard | Construction Contractor | AIRFIFN974PS | (503) 968-3261 | 2027-10-24 |
| Air Flo Heating Company Inc | Sequim | Construction Contractor | AIRFLI*206DG | (360) 683-3901 | 2028-04-25 |
| Air Guide Heating & Cooling | Vancouver | Construction Contractor | AIRGUGH750OR | (503) 344-8450 | 2027-09-19 |
| Air Heating & Cooling Llc | Portland | Construction Contractor | AIRHEHC783MG | (503) 660-9472 | 2026-07-15 |
| Air Masters Inc | Port Orchard | Construction Contractor | AIRMAI*044OQ | (360) 895-2527 | 2027-05-27 |
| Air Pro Heating & A/C Inc | Portland | Construction Contractor | AIRPRHA085P3 | (503) 771-7871 | 2028-03-20 |
| Air Pro Heating & Cooling Llc | Vancouver | Construction Contractor | AIRPRPH915LK | (564) 208-8010 | 2027-06-17 |
| Airpros Energy Llc | Everett | Construction Contractor | AIRPREL909D3 | (425) 773-3748 | 2028-03-23 |
| Air Pro Solutions Llc | Auburn | Construction Contractor | AIRPRPS776RE | (253) 397-7220 | 2027-12-29 |
| Air Solutions | Tacoma | Construction Contractor | AIRSOS*851MT | (253) 383-4559 | 2027-07-30 |
| Air-Tech Llc | Stanwood | Construction Contractor | AIRTEL*951CW | (360) 420-4910 | 2027-03-21 |
| Airtest Co Llc | Lynnwood | Construction Contractor | AIRTECL790D9 | (425) 313-0172 | 2027-04-01 |
| Airtight Htg & A/C Llc | East Olympia | Construction Contractor | AIRTIHA931PB | (360) 455-0455 | 2027-10-04 |
| Air Treatment | Edmonds | Construction Contractor | AIRTR**991Q8 | (206) 660-3588 | 2027-11-28 |
| Air Treatment Corporation | Brea | Construction Contractor | AIRTRTC757CN | (909) 869-7975 | 2027-04-16 |
| Ak Heating Cooling & Fab Llc | Brush Prairie | Construction Contractor | AKHEAHC774PE | (360) 907-9756 | 2027-10-22 |
| Alex Refrigeration Service | Kent | Construction Contractor | ALEXRRS925NR | (253) 740-0334 | 2027-04-22 |
| All American Air Llc | Bonney Lake | Construction Contractor | ALLAMAA754RT | (253) 592-4763 | 2027-12-30 |
| Allbrands Refrigeration Llc | Tacoma | Construction Contractor | ALLBRRL773B3 | (206) 486-4750 | 2027-02-17 |
| Allegiance Elec Htg & Cool Llc | Tacoma | Construction Contractor | ALLEGEH754KK | (206) 779-5480 | 2027-05-15 |
| Allegiance Heating & A/C Llc | Belfair | Construction Contractor | ALLEGHC876N2 | (360) 337-0457 | 2026-08-22 |
| Alliance Air | Coeur D Alene | Construction Contractor | ALLIAA*746K7 | (208) 664-0192 | 2028-05-27 |
| Alliant Systems Llc | Portland | Construction Contractor | ALLIASL987RP | (503) 619-4000 | 2027-03-27 |
| All Pro Duct Cleaning Llc | Vancouver | Construction Contractor | ALLPRPD869RS | (360) 903-9030 | 2027-12-08 |
| All Seasons Htg/Climate Cntrl | Spanaway | Construction Contractor | ALLSESH900DC | (253) 565-2942 | 2028-03-09 |
| All Star Propane Ii Llc | Moxee | Construction Contractor | ALLSTSP777CL | (509) 469-1119 | 2027-07-30 |
| All Weather Htg A/C & Rfrg Llc | Snoqualmie | Construction Contractor | ALLWEWH941BD | (425) 463-9814 | 2028-01-04 |
| Alpha Htg & Air Cond Inc | Bellevue | Construction Contractor | ALPHAHA9767S | (425) 643-0368 | 2027-11-03 |
| Alpina Mechanical Llc | Dalton Gardens | Construction Contractor | ALPINML801MA | (208) 691-5696 | 2026-07-29 |
| Alpine Ductless Llc | Tumwater | Construction Contractor | ALPINDL876JQ | (360) 529-7567 | 2027-04-19 |
| Alternative Heat Source Llc | Ellensburg | Construction Contractor | ALTERHS838P5 | (509) 899-7652 | 2027-10-25 |
| Altitude Heating & Cooling Llc | Lake Stevens | Construction Contractor | ALTITHC758KF | (425) 201-1998 | 2027-05-06 |
| Alton Heating & Mech Llc | Lake Tapps | Construction Contractor | ALTONHM772NG | (253) 553-6363 | 2027-09-01 |
| Always Comfy Hvac | Lake Stevens | Construction Contractor | ALWAYCH748BG | (206) 779-2333 | 2028-01-13 |
| Ambient Air Heating Llc | Seattle | Construction Contractor | AMBIEAH822BD | (206) 364-1965 | 2028-01-05 |
| Ambient Control Co Inc | Auburn | Construction Contractor | AMBIECC101PW | (253) 876-9933 | 2027-10-25 |
| Amc Air | Vancouver | Construction Contractor | AMCAIA*742DK | (360) 828-7500 | 2028-03-12 |
| Amd Hvac | Spokane | Construction Contractor | AMDHVH*787BU | (509) 979-1180 | 2028-02-07 |
| American Air Heating/Clng Llc | Walla Walla | Construction Contractor | AMERIAH854PE | (509) 525-1339 | 2027-10-05 |
| American Eagle Hvac Llc | Newport | Construction Contractor | AMERIEH785ON | (509) 447-4962 | 2026-09-15 |
| American Energy Systems Llc | Renton | Construction Contractor | AMERIES784BO | (425) 255-1587 | 2028-03-01 |
| America Nw Plbg Htg & Colg Inc | Post Falls | Construction Contractor | AMERINP761P3 | (208) 755-2333 | 2026-10-23 |
| Amg Heating & Air Llc | Yelm | Construction Contractor | AMGHEHA772Q2 | (360) 960-0704 | 2028-03-06 |
| Am/Pm Heating & Cooling Inc | Brush Prairie | Construction Contractor | AMPMHHC803B4 | (360) 254-2470 | 2028-03-18 |
| Anb Heating & Air Llc | Grandview | Construction Contractor | ANBHEHA744DE | (509) 840-2777 | 2028-03-05 |
| Anchor Heating & Cooling Llc | Twisp | Construction Contractor | ANCHOHC759D5 | (509) 429-0376 | 2027-03-31 |
| Anderson Nesler Company Inc | Milton | Construction Contractor | ANDERNC921JP | (253) 381-8456 | 2028-04-29 |
| Andrei'S Gas Inst Service Llc | Redmond | Construction Contractor | ANDREGI808P9 | (425) 239-8719 | 2026-10-29 |
| Any Season Comfort Sltns Llc | Tacoma | Construction Contractor | ANYSESC763PC | (253) 225-9184 | 2026-10-03 |
| Anytime Service | Oak Harbor | Construction Contractor | ANYTIS*801ND | (660) 353-9060 | 2027-11-05 |
| Apex Mechanical Services Llc | Pasco | Construction Contractor | APEXMMS766ME | (509) 531-2314 | 2026-07-15 |
| A & P Hvac Llc | Independence | Construction Contractor | APHVAL*741K9 | (971) 388-3177 | 2028-06-01 |
| Ap Hvac Llc | Lewiston | Construction Contractor | APHVAHL808OC | (208) 790-0065 | 2026-09-02 |
| A Plus Heating & A/C Llc | Ferndale | Construction Contractor | PLUSHPH791QS | (564) 209-4966 | 2027-10-21 |
| Ap Mechanical | Langley | Construction Contractor | APMECM*799RF | (360) 321-6914 | 2027-12-09 |
| Apollonius Llc | Seattle | Construction Contractor | APOLLL*751N9 | (206) 707-5932 | 2027-08-29 |
| Applied Industrial Systems Llc | Deer Park | Construction Contractor | APPLIIS776LZ | (509) 710-9048 | 2027-06-09 |
| A R Heating & Cooling Inc | South Bend | Construction Contractor | ARHEAHC769KC | (360) 999-0928 | 2027-02-27 |
| Ar Heating & Cooling Solutions | Snohomish | Construction Contractor | ARHEAHC746BH | (909) 892-8612 | 2028-01-12 |
| Arrow Mechanical Contr Inc | Tualatin | Construction Contractor | ARROWMC141OC | (503) 692-1565 | 2026-11-19 |
| Art Heating And Cooling Llc | Federal Way | Construction Contractor | ARTHEHC755NE | (253) 632-9739 | 2027-08-05 |
| Artizan Electric Llc | Pullman | Construction Contractor | ARTIZEL746CP | (509) 339-9991 | 2028-02-17 |
| Asan Hvac/R Llc | Vancouver | Construction Contractor | ASANHHL796CR | (253) 370-5420 | 2027-03-16 |
| Ashley'S Heating And Clng Llc | Kennewick | Construction Contractor | ASHLEHC753P8 | (509) 781-7432 | 2027-11-06 |
| Atlas Heating Inc | Kent | Construction Contractor | ATLASHI022CB | (253) 854-2404 | 2028-02-04 |
| Atmospheric Heating Inc | Marysville | Construction Contractor | ATMOSHI932JO | (425) 308-0337 | 2027-12-19 |
| Aurora Edmonds Furn Clean Llc | Renton | Construction Contractor | AUROREF766OC | (425) 228-0877 | 2026-09-03 |
| Aurora Heating & Cooling Llc | Tukwila | Construction Contractor | AURORHC754DF | (206) 419-5368 | 2027-03-06 |
| Automated Bldg Cntrl Spcs Llc | Redmond | Construction Contractor | AUTOMBC984QK | (425) 823-6300 | 2027-04-10 |
| Av Best Heating & Cooling | Tacoma | Construction Contractor | AVBESBH773LE | (253) 324-2514 | 2027-06-05 |
| Aviator Heating & Cooling | Vancouver | Construction Contractor | AVIATHC753MG | (503) 770-4822 | 2027-08-05 |
| Az Heating & Air Llc | Sumner | Construction Contractor | AZHEAHA774BR | (253) 376-6489 | 2027-01-19 |
| Azov Heating/Air Conditioning | Vancouver | Construction Contractor | AZOVHHC906O3 | (971) 322-9402 | 2027-05-23 |
| Aztec Heating & Ac Inc | Grandview | Construction Contractor | AZTECHA865CD | (509) 830-5557 | 2026-12-04 |
| Bachers Peninsula Htg & Clg | Astoria | Construction Contractor | BACHEPH761QF | (360) 214-2636 | 2026-11-06 |
| Bachman & Long Htg & Air Llc | Spokane Valley | Construction Contractor | BACHMLH851NU | (509) 701-4379 | 2027-09-10 |
| Bainbridge Heating And Air Llc | Bainbridge Island | Construction Contractor | BAINBHA885DR | (206) 780-6850 | 2028-03-19 |
| Ballard Natural Gas Srvc Inc | Lynnwood | Construction Contractor | BALLANG062QD | (206) 784-8101 | 2027-12-06 |
| Bartlett Mechanical Llc | Puyallup | Construction Contractor | BARTLML744LJ | (253) 345-2256 | 2028-06-11 |
| Bassett Home Heating Inc | Woodinville | Construction Contractor | BASSEHH044RS | (425) 398-1666 | 2027-12-11 |
| Bayside Heating & Air Llc | Littlerock | Construction Contractor | BAYSIHA787PU | (360) 402-3755 | 2026-10-31 |
| B & C Heating & A/C | Spokane | Construction Contractor | BCHEAA*085M3 | (509) 927-8861 | 2026-07-20 |
| Beaver Heating & Air Llc | Lake Stevens | Construction Contractor | BEAVEHA787DN | (360) 926-4299 | 2028-03-02 |
| Beni'S Rfrg & Ac Rep Llc | Yakima | Construction Contractor | BENISRA785O3 | (509) 910-4238 | 2027-10-14 |
| Benson Mechanical/Consltng Llc | Hayden | Construction Contractor | BENSOML764RJ | (208) 640-1614 | 2026-12-11 |
| Berryhill Mechanical | Lake Stevens | Construction Contractor | BERRYM*755LZ | (425) 387-0409 | 2027-06-09 |
| Best Choice Heating Llc | Tacoma | Construction Contractor | BESTCCH862B2 | (253) 255-1705 | 2028-06-09 |
| B & G Heating & Air Llc | Battle Ground | Construction Contractor | BGHEAHA769NE | (360) 984-1131 | 2026-08-05 |
| Bgis Intgrtd Tchncl Srvcs Us L | Hudson | Construction Contractor | BGISIIT778KN | (727) 862-2100 | 2027-06-18 |
| Bidarca Llc | Edmonds | Construction Contractor | BIDARL*806RZ | (425) 589-3870 | 2027-02-05 |
| Bid Mechanical Inc | Kittitas | Construction Contractor | BIDMEMI861DK | (509) 607-0637 | 2028-03-12 |
| Bill Mair Heating & Air Inc | Sequim | Construction Contractor | BILLMMH846MJ | (360) 683-4245 | 2026-07-11 |
| Bill'S Heating & A/C | Post Falls | Construction Contractor | BILLSHC759NQ | (208) 777-5528 | 2027-08-18 |
| Bjs Heating/Sheet Metal | Redmond | Construction Contractor | BJSHEHM870KG | (425) 466-9419 | 2027-07-07 |
| Black And White Refrigeration | Zillah | Construction Contractor | BLACKWR867J8 | (509) 945-2190 | 2028-06-18 |
| Black Lotus Hvac Llc | Seattle | Construction Contractor | BLACKLH759B9 | (425) 691-0680 | 2027-01-29 |
| Blaze 2 Blizzard Htng/Clng Llc | Walla Walla | Construction Contractor | BLAZE2B791JB | (509) 200-6723 | 2027-06-27 |
| Blue Sky Consulting Srvcs Llc | Boise | Construction Contractor | BLUESSC850JT | (208) 972-0290 | 2027-04-04 |
| Blue Sky Heating & Air Cndtng | Puyallup | Construction Contractor | BLUESSH821JS | (253) 778-0217 | 2026-12-10 |
| Bob Nichols | Spokane Valley | Construction Contractor | BOBNIN*894PE | (509) 218-5797 | 2026-08-26 |
| Bonded Filter Co Llc | Nashville | Construction Contractor | BONDEFC769RK | (615) 724-0105 | 2027-02-06 |
| Boss Heating & A/C Llc | Lewiston | Construction Contractor | BOSSHHA928L5 | (208) 743-9484 | 2026-10-11 |
| Bothell Heating & A/C | Bothell | Construction Contractor | BOTHEHC750BT | (425) 344-5438 | 2027-01-30 |
| Brad & Burke Heating & A/C | Ellensburg | Construction Contractor | BRADBBH82196 | (509) 962-9871 | 2027-01-02 |
| Breeze Heating & Air Llc | Post Falls | Construction Contractor | BREEZHA760CZ | (208) 916-6460 | 2028-02-09 |
| Br Refrigeration Htg & Air Llc | Sunnyside | Construction Contractor | BRREFRH834Q7 | (509) 840-4282 | 2028-02-26 |
| Budget Heating & Air Cond Llc | Tacoma | Construction Contractor | BUDGEHA755PA | (360) 360-4460 | 2027-09-18 |
| Budgethvacus Llc | Auburn | Construction Contractor | BUDGEL*882B7 | (206) 473-9914 | 2028-01-29 |
| Burge Solutions | Olympia | Construction Contractor | BURGES*798CW | (360) 763-2178 | 2027-02-11 |
| Butch'S Heating & A/C | Chehalis | Construction Contractor | BUTCHHC886B7 | (360) 880-1040 | 2028-01-22 |
| Cajun A/C & Heating Llc | Lake Charles | Construction Contractor | CAJUNCH746DD | (337) 377-7850 | 2028-03-04 |
| Camloh Llc | Newbury Park | Construction Contractor | CAMLOL*764OE | (818) 519-0264 | 2026-09-09 |
| Cascade Energy Services Llc | Lake Stevens | Construction Contractor | CASCAES843M6 | (425) 870-6330 | 2026-08-01 |
| Cascade Radiant Llc | Vashon | Construction Contractor | CASCARL771JD | (206) 300-5003 | 2027-11-18 |
| Case Heating And A/C Llc | Puyallup | Construction Contractor | CASEHHC897LG | (206) 930-5501 | 2027-06-10 |
| Cashmere Heating & Cooling Llc | Cashmere | Construction Contractor | CASHMHC814J9 | (509) 387-5403 | 2027-05-30 |
| Castaneda Htg & Air Cdg Llc | Wapato | Construction Contractor | CASTAHA787RF | (509) 910-5209 | 2026-12-23 |
| C & C Olympic Heating Inc | Snohomish | Construction Contractor | CCOLYCO974LE | (425) 670-0277 | 2027-07-03 |
| Cda Heating & Cooling | Hauser | Construction Contractor | CDAHEHC784QA | (208) 667-9217 | 2026-12-20 |
| Cda Refrigeration Llc | Hayden | Construction Contractor | CDARERL751MN | (208) 691-7437 | 2027-07-15 |
| C & D Heating/Cooling Llc | Pacific | Construction Contractor | CDHEADH806OJ | (206) 715-4411 | 2027-02-26 |
| Central Energy Products Llc | Ephrata | Construction Contractor | CENTREP9735R | (509) 760-2882 | 2026-11-11 |
| Central Heating & Air Llc | Vancouver | Construction Contractor | CENTRHA794C3 | (360) 601-9178 | 2027-03-08 |
| Central Washington Htg & Air | Wenatchee | Construction Contractor | CENTRWH742JN | (509) 663-3557 | 2028-04-15 |
| Century Heating & A/C Inc | Gresham | Construction Contractor | CENTUHA016OO | (503) 665-6707 | 2027-02-12 |
| Cfm Heating & A/C Inc | Ogden | Construction Contractor | CFMHEHC884N8 | (801) 941-4213 | 2026-09-06 |
| Chill Mechanical Llc | Everett | Construction Contractor | CHILLML753Q4 | (605) 270-3985 | 2027-12-18 |
| Choice Electric Htg & Cooling | Wenatchee | Construction Contractor | CHOICEH875MS | (509) 669-3330 | 2027-07-10 |
| Choice Home Services Inc | Snohomish | Construction Contractor | CHOICHS033BU | (360) 568-7900 | 2027-02-26 |
| City Energy Systems | Auburn | Construction Contractor | CITYEES917R9 | (253) 852-2174 | 2027-12-29 |
| C J'S Quality Air Systems Inc | Port Orchard | Construction Contractor | CJSQUAS072QC | (253) 857-5220 | 2028-01-17 |
| Clarks Htg Ac & Electrical Llc | Moses Lake | Construction Contractor | CLARKHA743BN | (509) 760-0341 | 2028-01-15 |
| Clean Zone Heating & A/C Llc | Seatac | Construction Contractor | CLEANZH832LK | (509) 209-9530 | 2027-08-27 |
| Clear Air Duct Cleaning | Tacoma | Construction Contractor | CLEANAD756Q4 | (253) 273-4254 | 2027-12-02 |
| Climacore Hvac Llc | Custer | Construction Contractor | CLIMAHL744LZ | (360) 927-5749 | 2028-06-09 |
| Clima-Tech Corporation | Boise | Construction Contractor | CLIMAC*031QP | (208) 377-9755 | 2027-05-16 |
| Climate Cntrl Experts Hvac Llc | Federal Way | Construction Contractor | CLIMACE811OD | (253) 263-9547 | 2027-09-04 |
| Cloud 9 Heating & Air Llc | Seattle | Construction Contractor | CLOUD9H773CA | (310) 421-6535 | 2027-02-02 |
| C & L Refrigeration Corp | Fullerton | Construction Contractor | CLREFLR895NT | (800) 901-4822 | 2026-07-26 |
| Cms/Nextech | Melbourne | Construction Contractor | CMSNE**809QF | (321) 473-0435 | 2027-03-04 |
| Coffman Engineers Inc | Seattle | Construction Contractor | COFFMEI866O9 | (206) 623-0717 | 2026-10-09 |
| Columbia Basin Htg And Cooling | Moses Lake | Construction Contractor | COLUMBH784J8 | (509) 771-1984 | 2028-05-20 |
| Columbia Heating & A/C | Spanaway | Construction Contractor | COLUMHC855BN | (206) 708-0999 | 2027-02-08 |
| Columbia Heating & Cooling Llc | Portland | Construction Contractor | COLUMHC754D7 | (503) 624-2704 | 2027-03-27 |
| Columbia Housewarmers | Astoria | Construction Contractor | COLUMH*971MC | (503) 325-5656 | 2027-06-27 |
| Columbia Htg Clng Rfrg Llc | Brewster | Construction Contractor | COLUMHC780DQ | (509) 669-3928 | 2028-03-18 |
| Columbia Hydronics Company | Vancouver | Construction Contractor | COLUMHC887P5 | (916) 315-2002 | 2026-10-25 |
| Colvos Mechanical Inc | Vashon | Construction Contractor | COLVOMI761QB | (206) 408-7095 | 2027-01-13 |
| Comfort Air Systems | Orting | Construction Contractor | COMFOAS961NL | (360) 893-3486 | 2026-12-18 |
| Comfort Air Systems Corp | Olympia | Construction Contractor | COMFOAS751PO | (360) 463-3758 | 2027-10-20 |
| Comfort Heating And Coolng Inc | Vancouver | Construction Contractor | COMFOHC844LG | (503) 679-9276 | 2027-04-16 |
| Comfort Heating Cooling & Elec | Post Falls | Construction Contractor | COMFOHC773K3 | (208) 769-9810 | 2027-05-25 |
| Comfort Mechanical Contrs Inc | Greenacres | Construction Contractor | COMFOMC038KG | (509) 928-0207 | 2028-03-31 |
| Comfortpro Heating/Coolng Llc | Portland | Construction Contractor | COMFOHL742JO | (360) 762-9009 | 2028-04-21 |
| Comfort Tech Heating & A/C Inc | Seattle | Construction Contractor | COMFOTH898CM | (206) 730-0556 | 2027-02-20 |
| Comfort Tech Heating & A/C Llc | Gresham | Construction Contractor | COMFOTH785NC | (971) 325-7036 | 2028-01-29 |
| Comfy Air Llc | Tacoma | Construction Contractor | COMFYAL843O8 | (253) 625-0579 | 2026-10-18 |
| Commercial Filter Sales & Svc | Seattle | Construction Contractor | COMMEFS935B5 | (206) 447-6933 | 2027-04-17 |
| Commercial Refrigeration Inc | Portland | Construction Contractor | COMMER*245J7 | (503) 234-6445 | 2026-07-29 |
| Commercial Vent Vac Inc | Eatonville | Construction Contractor | COMMEVV801P2 | (206) 245-4582 | 2026-09-24 |
| Compass Heating & Cooling | Blaine | Construction Contractor | COMPAHC775PK | (360) 746-9913 | 2027-10-12 |
| Compass Mechanical Llc | Coulee City | Construction Contractor | COMPAML983NB | (509) 759-2321 | 2028-01-12 |
| Complete Cmfrt Htng & A/C Llc | Maple Valley | Construction Contractor | COMPLCH866LR | (425) 518-5878 | 2026-08-27 |
| Complete Heating/Air Services | Chattaroy | Construction Contractor | COMPLHS806NF | (509) 863-6088 | 2027-08-01 |
| Con-Air Heating & A/C Inc | Coeur D Alene | Construction Contractor | CONAIHC763PW | (208) 661-5212 | 2026-10-16 |
| Connected Home Solutions Llc | Everett | Construction Contractor | CONNEHS814PU | (425) 355-0372 | 2027-11-01 |
| Conner'S Heating & Cooling Llc | Corbett | Construction Contractor | CONNEHC793DK | (503) 766-2006 | 2027-04-16 |
| Conrad Heating & Cooling | Aloha | Construction Contractor | CONRAHC766BH | (503) 516-5571 | 2028-02-26 |
| Coolflow Llc | Arlington | Construction Contractor | COOLFL*785OG | (425) 309-9400 | 2026-09-27 |
| Cool Fox Heating & Air | Kent | Construction Contractor | COOLFFH745KK | (206) 437-6560 | 2028-05-12 |
| Cool Red Air Llc | Manson | Construction Contractor | COOLRRA805NG | (509) 551-1375 | 2026-08-07 |
| Cooltek Llc | Sherwood | Construction Contractor | COOLTL*866N1 | (503) 439-8332 | 2026-08-22 |
| Cooper Mechanical Llc | Vaughn | Construction Contractor | COOPEML873KW | (253) 514-2519 | 2027-05-21 |
| Coretemp Mechanical Llc | Bothell | Construction Contractor | CORETML743D7 | (425) 408-2369 | 2028-03-27 |
| Corey'S Heating And Air Llc | Mukilteo | Construction Contractor | COREYHA852NQ | (206) 313-5831 | 2027-10-10 |
| Corkins Htg & Air Conditng Llc | Spokane | Construction Contractor | CORKIHA759M9 | (509) 270-4913 | 2027-07-29 |
| Cozy Sound | Lynnwood | Construction Contractor | COZYSS*772DH | (360) 721-9506 | 2027-03-31 |
| Cp Mechanical Llc | Yakima | Construction Contractor | CPMECML878W2 | (509) 910-5027 | 2027-03-13 |
| Custom Design Mechanical Inc | Bothell | Construction Contractor | CUSTODM066QO | (206) 819-4408 | 2028-06-06 |
| Custom Sheet Metal Inc | Olympia | Construction Contractor | CUSTOSM921PZ | (360) 754-5220 | 2028-02-03 |
| Cycle Air | Silverdale | Construction Contractor | CYCLEA*828R8 | (360) 900-8899 | 2026-12-28 |
| D & A Heating Llc | Tacoma | Construction Contractor | DHEAT*H757NL | (360) 961-5571 | 2027-08-20 |
| Daikin Applied | Minneapolis | Construction Contractor | DAIKIA*861P2 | (763) 553-5330 | 2026-11-05 |
| Damar Heating Inc | Portland | Construction Contractor | DAMARHI872PU | (503) 236-6344 | 2027-11-17 |
| Dana'S Heating Inc | Bremerton | Construction Contractor | DANASHI000DZ | (360) 876-7670 | 2027-08-23 |
| Daniels Heating & More Llc | Federal Way | Construction Contractor | DANIEHM777RK | (505) 720-8386 | 2028-03-08 |
| Dave'S Htg And A/C Inc | Selah | Construction Contractor | DAVESHC9058S | (509) 697-8557 | 2026-11-10 |
| Dave'S Htg & Cooling Srvc Inc | Port Angeles | Construction Contractor | DAVESHC991KC | (360) 452-0939 | 2027-05-01 |
| Day 1 Heating And Cooling | Sunnyside | Construction Contractor | DAY1H1H765ME | (509) 572-5937 | 2026-07-15 |
| Days Heating & Cooling Llc | Ravensdale | Construction Contractor | DAYSHHC743BO | (206) 290-0321 | 2028-03-17 |
| Dbest Heating And Cooling Llc | Mount Vernon | Construction Contractor | DBESTHC741LK | (360) 375-3666 | 2028-06-12 |
| Db Mechanical | Friday Harbor | Construction Contractor | DBMECM*832B5 | (360) 317-8369 | 2027-05-02 |
| Dcac Air Llc | San Diego | Construction Contractor | DCACAAL752MB | (619) 214-4272 | 2027-07-14 |
| Dc Heating Llc | Bremerton | Construction Contractor | DCHEAHL882BD | (360) 478-0320 | 2028-07-06 |
| D C Htg & Air Conditioning Inc | Vancouver | Construction Contractor | DCHTGCH959L8 | (360) 772-1664 | 2027-02-24 |
| Dc Refrigeration Llc | Marysville | Construction Contractor | DCREFRL771JP | (425) 297-3622 | 2027-04-24 |
| Deluxe Heating & Cooling | Portland | Construction Contractor | DELUXHC809ND | (503) 287-2012 | 2026-08-19 |
| Dennis Harvey Services Inc | Hood River | Construction Contractor | DENNIHS824O6 | (541) 386-3570 | 2027-01-30 |
| Dependable Heating & Cooling | Spokane Valley | Construction Contractor | DEPENHC754LQ | (509) 822-9106 | 2027-06-18 |
| Diamondback Hvac Llc | Olympia | Construction Contractor | DIAMOHL767P8 | (602) 679-4732 | 2026-10-28 |
| Diamond Construction Srvcs Llc | Auburn | Construction Contractor | DIAMOCS956J2 | (253) 797-3857 | 2027-09-25 |
| Divine Heating & Cooling | Clackamas | Construction Contractor | DIVINHC763QN | (503) 420-8059 | 2026-11-15 |
| Dj'S Mechanical Llc | Ferndale | Construction Contractor | DJSMEML777LE | (360) 296-3514 | 2027-06-09 |
| Dkov Construction Service Llc | Auburn | Construction Contractor | DKOVCCS745J4 | (206) 804-9200 | 2028-04-24 |
| D & M Refrigeration Inc | Spokane | Construction Contractor | DMREFI*049M2 | (509) 535-9912 | 2027-06-24 |
| Dms Air Conditioning Inc | San Dimas | Construction Contractor | DMSAIAC787RT | (626) 969-7700 | 2027-02-15 |
| Donbass Heating & Air Cond Llc | Boring | Construction Contractor | DONBAHA983C6 | (503) 553-9924 | 2026-06-18 |
| Done Right Mechanical Llc | Pasco | Construction Contractor | DONERRM871KS | (509) 460-7373 | 2028-03-03 |
| Double R Hvac Llc | Lakewood | Construction Contractor | DOUBLRH754LP | (317) 625-0229 | 2027-06-17 |
| Draft Air Mechanical Llc | Oakville | Construction Contractor | DRAFTAM825RU | (360) 814-3338 | 2027-05-04 |
| Dr Cool Inc | Sumner | Construction Contractor | DRCOOI*024QE | (253) 863-5665 | 2028-03-15 |
| Dryer Duct Plus Llc | Olympia | Construction Contractor | DRYERDP754JG | (360) 800-7861 | 2027-04-07 |
| Dryer Vent Solutions | Renton | Construction Contractor | DRYERVS901QK | (425) 398-5001 | 2026-12-06 |
| Ductvac Northwest Llc | Spokane Valley | Construction Contractor | DUCTVNL934BR | (425) 530-2470 | 2027-01-28 |
| Ductvac Nw Spokane Llc | City Of Spokane Vall | Construction Contractor | DUCTVNS778BQ | (509) 981-7050 | 2027-03-05 |
| Ductz Of Greater Seattle | Ozark | Construction Contractor | DUCTZGS772RL | (618) 971-2027 | 2027-12-24 |
| Dunsmore Heating & Gas Piping | Clinton | Construction Contractor | DUNSMHG946C8 | (360) 221-8567 | 2028-02-28 |
| Duro Heating Service | Snohomish | Construction Contractor | DUROHHS97669 | (206) 244-2378 | 2028-03-04 |
| E A Comfort Systems, Llc | Stanwood | Construction Contractor | ECOMF*C779P3 | (360) 540-3219 | 2027-10-23 |
| Eastern Or Heating & A/C Llc | Hermiston | Construction Contractor | EASTRHA898CN | (541) 567-3095 | 2027-02-27 |
| Eaton'S Refrigeration | Yakima | Construction Contractor | EATONR*066MA | (509) 575-6340 | 2028-03-26 |
| Economy Air Systems Inc | Tracyton | Construction Contractor | ECONOAS936L5 | (360) 698-6626 | 2027-11-01 |
| Eco-Tech Mechanical Llc | Snohomish | Construction Contractor | ECOTEML899B1 | (425) 614-8909 | 2027-01-21 |
| Ed'S Heating & Cooling Llc | Yelm | Construction Contractor | EDSHEHC780N9 | (253) 753-8177 | 2026-08-26 |
| Ej'S Ideal Heating/Cooling Crp | Vancouver | Construction Contractor | EJSIDIH753LK | (360) 836-2329 | 2027-05-27 |
| Electrical Energy Systems Llc | Oak Harbor | Construction Contractor | ELECTES7569A | (425) 757-2630 | 2027-12-01 |
| Element Air Llc | Veradale | Construction Contractor | ELEMEAL797B7 | (509) 824-5636 | 2027-01-27 |
| Elite Hvac & Refrigeration Llc | Seattle | Construction Contractor | ELITEHR741K2 | (206) 226-8509 | 2028-05-22 |
| Elite Of Wenatchee Llc | Wenatchee | Construction Contractor | ELITEWL796QS | (509) 665-9400 | 2027-11-29 |
| Emar Heating & A/C Llc | Wenatchee | Construction Contractor | EMARHHC7572A | (509) 668-2899 | 2027-05-01 |
| Endeavor Heating & Cooling Llc | Mountlake Ter | Construction Contractor | ENDEAHC755B4 | (425) 977-5955 | 2027-01-24 |
| Energy Efficient System Llc | Seattle | Construction Contractor | ENERGES843Q9 | (206) 573-0968 | 2027-02-05 |
| Energy Systems N W Inc | Portland | Construction Contractor | ENERGSN131PN | (503) 256-5464 | 2028-02-08 |
| Energy Technologies Llc | Seattle | Construction Contractor | ENERGTL916K1 | (425) 894-4115 | 2027-07-07 |
| Entek Llc | Longview | Construction Contractor | ENTEKL*766T1 | (360) 423-3010 | 2028-02-21 |
| Entero System Services Inc | Seattle | Construction Contractor | ENTERSS892MH | (206) 280-7261 | 2028-02-23 |
| Epic Air Heating & Cooling Llc | Lynnwood | Construction Contractor | EPICAAH788J6 | (425) 667-2119 | 2026-07-08 |
| Erickson Refrigeration Llc | Auburn | Construction Contractor | ERICKRL922QE | (253) 789-4722 | 2028-03-21 |
| Euro Comfort Llc | Battle Ground | Construction Contractor | EUROCCL781RB | (971) 720-6393 | 2026-12-02 |
| Even Flo Heating And A/C | Lynnwood | Construction Contractor | EVENFFH895L9 | (425) 381-0400 | 2027-06-29 |
| Evergreen Pc Construction | Seatac | Construction Contractor | EVERGPC866OT | (206) 445-9999 | 2027-07-25 |
| Evers Electric Llc | Raymond | Construction Contractor | EVERSEL741KH | (360) 208-3973 | 2028-05-13 |
| Excel Heating & Cooling Llc | Battle Ground | Construction Contractor | EXCELHC761P3 | (360) 667-8187 | 2026-10-23 |
| Express Heating & Cooling Llc | Kennewick | Construction Contractor | EXPREHC810CM | (509) 440-5210 | 2027-08-21 |
| Falcon Electric | Pasco | Construction Contractor | FALCOE*845DG | (509) 783-7043 | 2028-03-07 |
| Farrington Air Qlty Servcs Llc | Sumner | Construction Contractor | FARRIAQ793BK | (253) 466-3000 | 2027-02-01 |
| Farwest Climate Control Inc | Yakima | Construction Contractor | FARWECC991BB | (509) 457-5346 | 2027-01-08 |
| Fec Electric Llc | Poulsbo | Construction Contractor | FECELEL764R6 | (360) 710-0548 | 2026-12-26 |
| Filtergirls.Com | Silverdale | Construction Contractor | FILTE**831MQ | (360) 229-6386 | 2027-08-08 |
| Filthy Furnace Llc | Anacortes | Construction Contractor | FILTHFL752O4 | (808) 238-1077 | 2027-09-24 |
| First Call Heat & Cool Or Llc | Tukwila | Construction Contractor | FIRSTCH780DA | (503) 853-9424 | 2028-01-21 |
| Fisher Refrigeration | Winthrop | Construction Contractor | FISHER*87093 | (509) 996-2748 | 2028-01-01 |
| Fitz Mechanical | Post Falls | Construction Contractor | FITZMM*743LS | (208) 449-7844 | 2028-06-10 |
| Flameworks Inc | Veradale | Construction Contractor | FLAMEI*930CL | (509) 710-0674 | 2027-04-09 |
| Forced Air Heating & Ac Llc | Athol | Construction Contractor | FORCEAH816C8 | (208) 683-2230 | 2027-03-11 |
| Fork Refrigeration Inc | Moscow | Construction Contractor | FORKR**191C0 | (208) 882-3716 | 2027-02-06 |
| Four Seasons Hvac Llc | Vancouver | Construction Contractor | FOURSSH815C2 | (360) 524-1755 | 2027-02-27 |
| Freedom Heating & Air Llc | Salem | Construction Contractor | FREEDHA746BN | (971) 388-3828 | 2028-01-15 |
| Frostbite Heating & Cool Llc | Eltopia | Construction Contractor | FROSTHC757OB | (509) 330-6807 | 2027-09-08 |
| Frostflame Llc | Auburn | Construction Contractor | FROSTL*758RB | (253) 993-8129 | 2027-12-02 |
| Frost Heating & Cooling Llc | Edgewood | Construction Contractor | FROSTHC792NF | (253) 391-9551 | 2027-08-07 |
| Frye Hvac Llc | Portland | Construction Contractor | FRYEHHL812J3 | (503) 807-7726 | 2027-11-14 |
| Furnace Aid Llc | Issaquah | Construction Contractor | FURNAAL867L3 | (425) 313-5983 | 2026-07-27 |
| Furnace Doctors Inc | Renton | Construction Contractor | FURNADI931QL | (206) 622-5018 | 2027-11-13 |
| Furnace Store Inc | Moses Lake | Construction Contractor | FURNASI931NL | (509) 766-6400 | 2027-08-27 |
| Gabe'S Heating & Cooling Llc | Portland | Construction Contractor | GABESHC852K7 | (503) 760-5099 | 2027-06-02 |
| Gasket Guy Northwest Llc | Bothell | Construction Contractor | GASKEGN836K4 | (206) 491-9535 | 2027-12-15 |
| Gasline Mechanical Inc | Woodinville | Construction Contractor | GASLIMI758C4 | (206) 786-1034 | 2027-02-24 |
| Gc Pwr Co Llc | Wenatchee | Construction Contractor | GCPWRPC763D8 | (509) 885-4305 | 2028-03-28 |
| Genesis Rfrg & Hvac Llc | Monroe | Construction Contractor | GENESRH862OP | (425) 387-6853 | 2026-10-03 |
| George Gas Piping Llc | Duvall | Construction Contractor | GEORGGP849JQ | (425) 577-2452 | 2028-04-18 |
| Gfr Heating & Cooling Llc | Milton | Construction Contractor | GFRHEHC951CM | (206) 244-3996 | 2027-02-14 |
| G H S Corporation | Lynden | Construction Contractor | GHSCOHS834MG | (360) 223-1585 | 2027-07-29 |
| Gintz Heating & Air Llc | Allyn | Construction Contractor | GINTZHA8287C | (360) 710-4000 | 2026-10-03 |
| Glacier Pacific Llc | Sumas | Construction Contractor | GLACIPL858KO | (360) 739-9903 | 2028-04-16 |
| Glacier Peak Mechanical Llc | Eatonville | Construction Contractor | GLACIPM756QQ | (253) 228-0009 | 2027-11-18 |
| Go Green Heating Ac & Elec Llc | Seattle | Construction Contractor | GOGREGH752DL | (206) 290-4165 | 2027-04-01 |
| Gohman Mechanical Inc | Wilsonville | Construction Contractor | GOHMAMI015DW | (503) 658-1892 | 2027-06-11 |
| Gold Mountain Air | Port Orchard | Construction Contractor | GOLDMMA814N7 | (360) 228-8545 | 2027-09-01 |
| Greater Purpose Htng &Clng Llc | Umatilla | Construction Contractor | GREATPH788C4 | (541) 571-0585 | 2028-03-15 |
| Great Sun Corp | Seattle | Construction Contractor | GREATSC951D1 | (206) 329-8027 | 2027-04-05 |
| Green Bear Solutions Llc | Issaquah | Construction Contractor | GREENBS872M4 | (206) 419-3774 | 2028-02-26 |
| Greenflow Heating & Cooling | Tacoma | Construction Contractor | GREENHC754B2 | (253) 370-8641 | 2027-02-03 |
| Greenlake Heating & Cooling | Marysville | Construction Contractor | GREENHC756M2 | (425) 622-3358 | 2027-07-22 |
| Green Mountain Mechanical Llc | Seabeck | Construction Contractor | GREENMM842NH | (360) 277-8526 | 2026-08-20 |
| Greensavers Nw | Renton | Construction Contractor | GREENN*755DC | (425) 591-7833 | 2027-03-06 |
| Haas Heating Llc | Enumclaw | Construction Contractor | HAASHHL945DN | (206) 371-5413 | 2028-03-22 |
| Hagen Industrial Refrig Llc | Buckley | Construction Contractor | HAGENIR897BM | (206) 790-6111 | 2027-01-14 |
| H&A Heating & Air Cndtning Llc | Spokane | Construction Contractor | HHEATHA781CJ | (509) 499-5740 | 2028-02-17 |
| Hakimi Hvac Llc | Covington | Construction Contractor | HAKIMHL765RO | (206) 403-3269 | 2026-12-23 |
| Hales Heating & A/C Llc | Spanaway | Construction Contractor | HALESHA784CW | (253) 345-9659 | 2028-02-16 |
| Hallmark Heating Services Inc | Bellingham | Construction Contractor | HALLMHS796LB | (360) 599-0738 | 2027-06-12 |
| Halo Heating & Air Inc | Spokane | Construction Contractor | HALOHHA921NO | (509) 435-1170 | 2026-09-28 |
| Hammerstrom Htg & Cooling Llc | Toledo | Construction Contractor | HAMMEHC742DK | (360) 947-9280 | 2028-03-12 |
| Happy Heating & Cooling | Belfair | Construction Contractor | HAPPYHC858PH | (253) 777-6649 | 2027-11-22 |
| Harbor Air Nw Llc | Lakebay | Construction Contractor | HARBOAN760OL | (253) 514-2581 | 2026-09-13 |
| Harder Heating & Cooling Llc | Gig Harbor | Construction Contractor | HARDEHC751LD | (253) 853-4112 | 2027-05-15 |
| Hayden Heating & Cooling | Spokane | Construction Contractor | HAYDEHC795MO | (509) 230-5066 | 2027-08-24 |
| H&C Mechanical Inc | Kent | Construction Contractor | HCMECMI760BJ | (253) 442-2306 | 2028-01-11 |
| Heatco Llc | Spokane Valley | Construction Contractor | HEATCL*773P3 | (509) 844-7184 | 2027-10-23 |
| Heatcoolx Systems Llc | Stanwood | Construction Contractor | HEATCSL754OP | (425) 345-3095 | 2027-09-17 |
| Heating Cooling Maintenance | Soap Lake | Construction Contractor | HEATICM821KQ | (509) 431-5997 | 2026-11-05 |
| Heat Pump Store, The | Portland | Construction Contractor | HEATPPS892DB | (503) 253-4084 | 2027-03-10 |
| Helios Hvacr Services Llc | Maitland | Construction Contractor | HELIOHS757DK | (888) 246-0595 | 2027-02-25 |
| Hello Refrigeration Llc | Bothell | Construction Contractor | HELLORL781NS | (206) 949-1074 | 2026-08-15 |
| Heritage Systems Services | Boise | Construction Contractor | HERITSS768L6 | (208) 947-7000 | 2026-06-26 |
| Herlin Heating Llc | Veradale | Construction Contractor | HERLIHL810KO | (509) 822-1953 | 2027-05-20 |
| High Prfm Htg & Cooling Llc | Pasco | Construction Contractor | HIGHPPH787PP | (509) 378-9237 | 2026-10-17 |
| Hill Comfort Systems | Puyallup | Construction Contractor | HILLCCS841J5 | (253) 355-2714 | 2026-09-24 |
| Hometown Mechanical Servs Llc | Yakima | Construction Contractor | HOMETMS746B9 | (509) 708-4261 | 2028-01-29 |
| Honest Air | Pasco | Construction Contractor | HONESA*801P1 | (509) 302-1475 | 2026-10-15 |
| Horst Inc | Pasco | Construction Contractor | HORSTI*006NM | (509) 627-0967 | 2028-01-09 |
| House Of Heat Inc | Bonney Lake | Construction Contractor | HOUSEH*197BF | (253) 862-9699 | 2028-01-11 |
| Hunter-Davisson Inc | Portland | Construction Contractor | HUNTED*332B3 | (503) 234-0477 | 2027-02-09 |
| Husky Mechanical Llc | Bothell | Construction Contractor | HUSKYML760RZ | (253) 312-0875 | 2026-12-12 |
| Hvac Inc | Milwaukie | Construction Contractor | HVACI**125J6 | (503) 462-4822 | 2027-03-04 |
| Hvac Private Llc | Spokane | Construction Contractor | HVACPPL754J3 | (509) 201-9152 | 2027-04-23 |
| Hvac Solutions Nw Inc | Roy | Construction Contractor | HVACSSN781N9 | (253) 226-2029 | 2026-08-30 |
| Hybrid Heating/Air Condtng Co | Cornelius | Construction Contractor | HYBRIHC907DZ | (503) 357-5663 | 2028-03-09 |
| Iceberg Mechanical Servs Llc | Rainier | Construction Contractor | ICEBEMS749C3 | (360) 688-0373 | 2028-02-23 |
| Impact Heating & Cooling Llc | Vancouver | Construction Contractor | IMPACHC955MM | (360) 931-3878 | 2027-07-31 |
| Imperial Heating And Cooling | Maple Falls | Construction Contractor | IMPERHC842KP | (360) 325-9899 | 2026-06-17 |
| Imperial Heating & Cooling Llc | Vancouver | Construction Contractor | IMPERHC750MN | (971) 716-2647 | 2027-07-15 |
| Independent Heatng&Cooling Llc | Vancouver | Construction Contractor | INDEPHL913JA | (360) 601-6825 | 2027-06-03 |
| Infinity Heating & Air Llc | Graham | Construction Contractor | INFINHA841B8 | (253) 740-5135 | 2028-03-07 |
| In Like Flynn Hvac Llc | Lewiston | Construction Contractor | LIKEFLF775PK | (208) 750-6022 | 2027-10-12 |
| Inline Services Llc | Battle Ground | Construction Contractor | INLINSL768KG | (360) 558-2092 | 2028-05-14 |
| Innovative Refrigtn Systms Inc | Lyndhurst | Construction Contractor | INNOVRS903B7 | (540) 941-1999 | 2028-03-16 |
| Innovative Thermal Solutns Inc | Milton | Construction Contractor | INNOVTS875LK | (253) 830-4550 | 2027-06-12 |
| Integrity Air Llc | Portland | Construction Contractor | INTEGAL862O9 | (503) 572-3594 | 2026-12-04 |
| Integrity Hvac Llc | Spokane | Construction Contractor | INTEGHL763RR | (509) 899-7408 | 2026-12-19 |
| Integrity Three Htng & A/C Llc | Kennewick | Construction Contractor | INTEGTH897KU | (509) 380-5474 | 2027-06-13 |
| Intermountain Temprtur Sol Llc | Riverton | Construction Contractor | INTERTS779O5 | (801) 613-6007 | 2027-09-24 |
| Island Ductless Solutions Llc | Freeland | Construction Contractor | ISLANDS892ND | (360) 321-4252 | 2027-08-12 |
| Island Heating & Mechanical | Friday Harbor | Construction Contractor | ISLANHM815K4 | (360) 378-1020 | 2027-05-25 |
| Jack Frost Co | Wauna | Construction Contractor | JACKFFC817PC | (253) 225-9076 | 2027-10-25 |
| Jacobs Heating & Air Cond Inc | Portland | Construction Contractor | JACOBHA192LA | (503) 234-7331 | 2028-03-17 |
| Jacob'S Hvac/R Llc | Wenatchee | Construction Contractor | JACOBHL867JS | (509) 293-1441 | 2028-04-21 |
| Jd Mechanical Llc | Amboy | Construction Contractor | JDMECML790C3 | (360) 619-8693 | 2027-03-17 |
| Jet Heating And Cooling | Bremerton | Construction Contractor | JETHEHC801BH | (360) 813-1288 | 2028-01-14 |
| Jet Plumbing & Heating Llc | Chimacum | Construction Contractor | JETPLPH772DF | (360) 302-6861 | 2027-04-09 |
| Jim'S A Thru Z Rfrg & Htg | Walla Walla | Construction Contractor | JIMSTTZ914DE | (509) 520-8392 | 2027-10-09 |
| J&J Electrical Inc | Greenacres | Construction Contractor | JJELEEI754DR | (509) 995-2808 | 2027-03-28 |
| J Mac Mechanical | Gig Harbor | Construction Contractor | JMACMMM774BP | (253) 709-7002 | 2027-02-18 |
| Jm Mechanical Llc | North Logan | Construction Contractor | JMMECML954BU | (435) 563-6267 | 2027-03-26 |
| Joanis Mechanical Llc | Seattle | Construction Contractor | JOANIML891D3 | (206) 446-7927 | 2027-05-01 |
| Johnson Controls Bldg Sol Llc | Boca Raton | Construction Contractor | JOHNSCB758PB | (561) 912-6917 | 2028-02-10 |
| Joseph Kim Refrigeration Co | Vancouver | Construction Contractor | JOSEPKR873RP | (360) 573-1282 | 2027-12-17 |
| Jr Mechanical | Kirkland | Construction Contractor | JRMECM*820QM | (206) 779-4500 | 2028-04-09 |
| Jr'S Heating & Air Srvcs Llc | Prosser | Construction Contractor | JRSHEHA853KH | (509) 786-8412 | 2027-05-20 |
| Js3 | Salem | Construction Contractor | JS3****784KC | (503) 977-3334 | 2026-08-21 |
| J & Y Cooling | Snohomish | Construction Contractor | JYCOOYC884PK | (206) 334-5899 | 2026-10-12 |
| Kassam Mechanical Llc | Albuquerque | Construction Contractor | KASSAML741D7 | (505) 489-4474 | 2028-03-30 |
| Kb Mechanical Llc | Tacoma | Construction Contractor | KBMECML755PC | (253) 677-4346 | 2027-10-03 |
| K & D Mechanical Inc | Federal Way | Construction Contractor | KDMECI*008CJ | (253) 945-8204 | 2028-02-21 |
| Keller Heating Inc | Spokane | Construction Contractor | KELLEHI010J6 | (509) 926-3551 | 2027-04-07 |
| Kemper Northwest Inc | Caldwell | Construction Contractor | KEMPENI874P1 | (208) 649-1000 | 2027-10-21 |
| Kimball Mechanical | Snoqualmie | Construction Contractor | KIMBAM*946M1 | (425) 864-4745 | 2026-09-05 |
| Kinzer Air Llc | Lewiston | Construction Contractor | KINZEAL916RN | (208) 746-8247 | 2027-12-06 |
| Kjh Engineering Pllc | Moscow | Construction Contractor | KJHENEP805MW | (509) 339-5652 | 2028-07-16 |
| Kleenair Products Co | Clackamas | Construction Contractor | KLEENPC912KQ | (503) 653-6925 | 2027-05-18 |
| Knight Heating And Cooling Inc | Sequim | Construction Contractor | KNIGHHC840MO | (360) 797-4505 | 2026-08-07 |
| Kohler Heating & A/C Inc | Gig Harbor | Construction Contractor | KOHLEHA950O1 | (253) 858-8922 | 2027-10-05 |
| Kombi'S Heating & Cooling | Vancouver | Construction Contractor | KOMBIHC754LP | (971) 201-2513 | 2027-06-17 |
| Kool-It Mechanical Llc | Puyallup | Construction Contractor | KOOLIML793QK | (253) 230-5888 | 2027-07-29 |
| Kore Refrigeration Llc | Melbourne | Construction Contractor | KORERRL814JR | (321) 473-0435 | 2027-04-28 |
| Kozak Llc | Kent | Construction Contractor | KOZAKL*776J4 | (253) 880-5496 | 2027-07-01 |
| Ktm Heating & Cooling Llc | Monroe | Construction Contractor | KTMHEHC751RE | (425) 273-4270 | 2027-12-05 |
| Lagerwey Mechanical Llc | Ferndale | Construction Contractor | LAGERML793RH | (360) 510-8433 | 2027-12-08 |
| Lakeside Heating & A/C | Coeur D Alene | Construction Contractor | LAKESHC766O5 | (425) 387-5755 | 2026-09-25 |
| Lake Wash Htng & Cooling Llc | Kirkland | Construction Contractor | LAKEWWH820DT | (425) 444-9426 | 2028-03-30 |
| Lc Climate Solutions Llc | Troutdale | Construction Contractor | LCCLICS782K5 | (503) 898-0315 | 2028-04-17 |
| Legacy Heating & Cooling | Hayden | Construction Contractor | LEGACHC7808N | (208) 762-2777 | 2026-11-17 |
| Lennox Aes Holdings Llc | Tallassee | Construction Contractor | LENNOAH768OM | (334) 252-0380 | 2027-09-18 |
| Leventon Heating & Cooling Llc | Chehalis | Construction Contractor | LEVENHC828DM | (360) 266-7137 | 2028-04-02 |
| Liberty Lake Heatng & Cool Llc | Liberty Lake | Construction Contractor | LIBERLH821M6 | (509) 924-7837 | 2027-04-10 |
| L I C Hvac Services Llc | Kalama | Construction Contractor | LICHVSL740DB | (360) 843-3856 | 2028-03-02 |
| L J Hvac | Lynnwood | Construction Contractor | LJHVAJH799Q2 | (425) 269-8153 | 2027-11-29 |
| L & K Heating | Nine Mile Falls | Construction Contractor | LKHEA**198DR | (509) 768-5601 | 2027-03-25 |
| Llama Heating & Air Cndg Llc | Puyallup | Construction Contractor | LLAMAHA788LC | (425) 903-2607 | 2028-06-15 |
| Lloyd'S Heating & Sheetmetal | Enumclaw | Construction Contractor | LLOYDHS101MT | (360) 825-2241 | 2027-11-04 |
| Long Equipment Repair Pllc | Seattle | Construction Contractor | LONGEER778J5 | (206) 954-7488 | 2027-04-25 |
| Lopez Heating Systems | Lopez Island | Construction Contractor | LOPEZHS961CE | (360) 468-2574 | 2027-08-12 |
| Lumank Inc | Redmond | Construction Contractor | LUMANI*778RL | (425) 522-2668 | 2027-12-12 |
| Luna Home Comfort Llc | Seattle | Construction Contractor | LUNAHHC754QQ | (206) 643-9775 | 2027-11-18 |
| L & Y Htg & Air Conditioning | Spokane | Construction Contractor | LYHTGA*972KA | (509) 714-7801 | 2027-03-21 |
| Maddog Contracting Llc | Post Falls | Construction Contractor | MADDOCL774C8 | (208) 770-6973 | 2027-02-28 |
| Magruder Htg & Cooling Llc | Pe Ell | Construction Contractor | MAGRUHC822B6 | (360) 208-3665 | 2027-02-01 |
| Mainstream Mechanical Corp | Edmonds | Construction Contractor | MAINSM*945JF | (425) 778-4315 | 2028-04-24 |
| Mammoth Mechanical | Portland | Construction Contractor | MAMMOM*770OA | (352) 989-1327 | 2027-11-05 |
| Manus Mechanical | Yelm | Construction Contractor | MANUSM*773BC | (253) 248-5925 | 2027-01-03 |
| Martin Mechanical | Spokane Valley | Construction Contractor | MARTIM*754MW | (509) 218-9402 | 2027-07-18 |
| Master Heating & Cooling Llc | Spokane | Construction Contractor | MASTEHC780NK | (509) 929-9863 | 2026-08-20 |
| Master Mechanical Llc | Olympia | Construction Contractor | MASTEML83373 | (360) 628-1569 | 2027-11-17 |
| Matuska Heating Services Inc | Edmonds | Construction Contractor | MATUSHS012KK | (425) 776-4867 | 2027-11-18 |
| Max Mechanical Llc | Portland | Construction Contractor | MAXMEML754NA | (503) 716-1812 | 2027-08-01 |
| Mcdowell & Son Inc | Hood River | Construction Contractor | MCDOWSI741JC | (541) 387-3373 | 2028-04-06 |
| Mcfarland Heating & Air Llc | Snohomish | Construction Contractor | MCFARHA930JR | (360) 568-4205 | 2027-04-19 |
| M & C Mechanical Llc | Harrison | Construction Contractor | MCMECCM756M8 | (208) 660-4426 | 2027-07-28 |
| Mcneil Industrial Inc | Gretna | Construction Contractor | MCNEIII785QS | (402) 339-5544 | 2027-06-12 |
| Mechanical Pros Llc The | Pasco | Construction Contractor | MECHAPL756LQ | (509) 537-5776 | 2027-06-18 |
| Mechanical Technical Servs Llc | Darrington | Construction Contractor | MECHATS794DU | (425) 231-2904 | 2028-04-30 |
| Mechpro Llc | Lakewood | Construction Contractor | MECHPL*769RL | (206) 445-5230 | 2026-12-31 |
| Melink Corp | Milford | Construction Contractor | MELINC*881C7 | (513) 965-7300 | 2028-03-05 |
| Mep Mechanical Services Llc | Milwaukee | Construction Contractor | MEPMEMS751D2 | (414) 462-6377 | 2027-03-26 |
| Meridian Heating & Cooling Llc | Kent | Construction Contractor | MERIDHC773KJ | (253) 205-6220 | 2027-05-20 |
| Meridian Mechanical | Kent | Construction Contractor | MERIDM*804QT | (253) 740-9309 | 2026-11-04 |
| Method Energy Llc | Seattle | Construction Contractor | METHOEL771ME | (206) 789-5553 | 2027-08-01 |
| Metro Air Inc | Kirkland | Construction Contractor | METROAI995RC | (425) 658-7664 | 2027-12-10 |
| Mg Heating & Cooling | Manson | Construction Contractor | MGHEAHC761CG | (509) 679-0109 | 2028-02-07 |
| M H C Heating & Cooling | Portland | Construction Contractor | MHCHEHC954C2 | (503) 432-9865 | 2028-04-15 |
| Michael-Alan Mechanical Inc | Boring | Construction Contractor | MICHAMI775DC | (503) 964-0313 | 2027-10-15 |
| Midnight Mechanical Inc | Vashon | Construction Contractor | MIDNIMI753KR | (360) 747-7276 | 2027-06-03 |
| Mighty Clean Air Ducts Llc | Spokane | Construction Contractor | MIGHTCA775Q8 | (509) 240-9699 | 2027-11-28 |
| Mikes Heating & Air Llc | Lakewood | Construction Contractor | MIKESHA766PN | (425) 750-7764 | 2027-06-05 |
| Mike'S Heating Llc | Burley | Construction Contractor | MIKESHL786QB | (360) 895-0271 | 2026-11-03 |
| Mikes Hvac Serv & Retrofit Llc | Spokane | Construction Contractor | MIKESHS755RQ | (509) 720-4578 | 2027-12-18 |
| Mikes Mechanical | Des Moines | Construction Contractor | MIKESM*901JR | (206) 391-9839 | 2028-04-19 |
| Miller Mechanical Llc | Lynnwood | Construction Contractor | MILLEML761OR | (425) 533-3831 | 2026-10-10 |
| Milwaukie Heating & Cooling Co | Milwaukie | Construction Contractor | MILWAHC749JG | (503) 557-5562 | 2028-04-07 |
| Mmsparc Llc | Spanaway | Construction Contractor | MMSPAL*820K5 | (207) 701-1075 | 2028-06-15 |
| Modibuilt Llc | Auburn | Construction Contractor | MODIBL*754QD | (253) 293-8209 | 2027-11-04 |
| Moffitt Mechanical Llc | Jacksonville Bea | Construction Contractor | MOFFIML901KF | (904) 241-9944 | 2027-05-13 |
| Mogovolt Heating & Cooling | Bothell | Construction Contractor | MOGOVHC742K8 | (206) 960-2397 | 2028-05-28 |
| Monroe Heating & Refrigeration | Snohomish | Construction Contractor | MONROHR159KG | (360) 794-7914 | 2026-08-14 |
| Morgan Home Shield Llc | Spokane | Construction Contractor | MORGAHS748DD | (509) 202-3153 | 2028-03-06 |
| Morgan Mechanical Inc | Redmond | Construction Contractor | MORGAMI883WT | (425) 582-0473 | 2028-01-31 |
| Mountain Heating & Cooling Llc | Orting | Construction Contractor | MOUNTHC812BS | (253) 224-9683 | 2027-01-10 |
| Mountainside Radiant Heating | Enumclaw | Construction Contractor | MOUNTRH917JL | (253) 740-7887 | 2026-08-06 |
| Mountain Valley Htg & A/C Inc | Renton | Construction Contractor | MOUNTVH970N2 | (425) 226-0080 | 2028-03-05 |
| Mps Heating & Cooling Llc | Beaverton | Construction Contractor | MPSHEHC858LP | (503) 319-7798 | 2028-03-12 |
| M R Mechanical Incorporated | Portland | Construction Contractor | MRMECRM817N3 | (360) 977-8526 | 2027-08-31 |
| Mtw Design Services Llc | Fife | Construction Contractor | MTWDEDS8341M | (253) 284-0471 | 2027-05-06 |
| Narol Heating & Cooling Llc | Ridgefield | Construction Contractor | NAROLHC750O3 | (360) 721-0802 | 2027-09-23 |
| Narrows Heating/Air Cndtng, In | Tacoma | Construction Contractor | NARROI*216J3 | (253) 627-7543 | 2028-04-08 |
| Naylors Appliance & Refrigertn | Tonasket | Construction Contractor | NAYLOAR035N2 | (509) 486-2351 | 2028-02-10 |
| Nelson Heating Llc | Kalispell | Construction Contractor | NELSOHL853DK | (425) 773-3221 | 2027-03-21 |
| Neudorfer Engineers Llc | Seattle | Construction Contractor | NEUDOEL787LN | (206) 621-1810 | 2028-06-15 |
| New Castle Mechanical Llc | Puyallup | Construction Contractor | NEWCACM924OD | (253) 256-4697 | 2026-10-08 |
| New Era Elite Inc | Gold Bar | Construction Contractor | NEWEREE741B6 | (425) 314-0544 | 2028-01-29 |
| New Era Hvac Supreme Inc | Snohomish | Construction Contractor | NEWEREH772QP | (425) 314-0544 | 2027-12-12 |
| Newton'S Heating & Cooling Llc | Vancouver | Construction Contractor | NEWTOHC756BF | (360) 448-1414 | 2027-01-08 |
| Nexrev Llc | Plano | Construction Contractor | NEXREL*830RM | (972) 578-0505 | 2028-01-24 |
| Nextgen Heating & Cooling | Ravensdale | Construction Contractor | NEXTGHC753LB | (206) 229-1656 | 2027-06-02 |
| Nguyen'S Heating & Cooling Llc | Snohomish | Construction Contractor | NGUYEHC740K1 | (360) 348-8056 | 2028-04-27 |
| Nikita Refrigeration Llc | Bothell | Construction Contractor | NIKITRL831D2 | (425) 830-7725 | 2026-11-18 |
| Norco Heating & Air Cond Inc | Spokane | Construction Contractor | NORCOHA170RZ | (509) 534-4975 | 2027-10-14 |
| Normal Mechanical Llc | Kent | Construction Contractor | NORMAML836KZ | (206) 295-9118 | 2027-10-06 |
| Normand Mechanical | Naselle | Construction Contractor | NORMAM*852KK | (503) 741-1547 | 2027-06-12 |
| Norstar Heating & Cooling Inc | Colville | Construction Contractor | NORSTHC923LP | (509) 684-4291 | 2028-04-04 |
| Northern Comfort Htg & Cooling | Arlington | Construction Contractor | NORTHCH762OJ | (425) 588-4139 | 2026-09-11 |
| Northern Hrzon Htng & Air Llc | Newcastle | Construction Contractor | NORTHHH777BF | (720) 301-3911 | 2027-01-11 |
| North Idah Htg/Clng Sltns Inc | Dalton Gardens | Construction Contractor | NORTHIH806OQ | (208) 762-5658 | 2027-03-12 |
| North Pacific Mechanical Llc | Beaverton | Construction Contractor | NORTHPM847P8 | (503) 999-3383 | 2026-10-28 |
| Northpoint Heating/Cooling Llc | Vancouver | Construction Contractor | NORTHHL753N2 | (360) 984-1853 | 2027-08-22 |
| Northshore Heating Llc | Arlington | Construction Contractor | NORTHHL955JK | (425) 330-8586 | 2027-06-04 |
| North Sound Enviroair | Mount Vernon | Construction Contractor | NORTHSE779QA | (425) 953-0333 | 2028-01-26 |
| North Star Htg And Cooling Llc | Snohomish | Construction Contractor | NORTHSH940PL | (425) 327-1136 | 2027-10-13 |
| Northstar Hvac, Llc | Ferndale | Construction Contractor | NORTHHL773JO | (360) 927-4299 | 2027-04-20 |
| Northwest Air Solutions Llc | Portland | Construction Contractor | NORTHAS747JG | (503) 575-8097 | 2028-04-07 |
| Northwest Comfort Systems Inc | Auburn | Construction Contractor | NORTHCS015KK | (253) 735-5236 | 2028-05-04 |
| Northwest Control Company | Milwaukie | Construction Contractor | NORTHCC122D1 | (503) 656-9205 | 2027-10-26 |
| North West Electric Sltns Llc | Spokane Valley | Construction Contractor | NORTHWE798LG | (509) 220-9547 | 2027-06-07 |
| Northwest Engineering Serv Inc | Beaverton | Construction Contractor | NORTHES876P4 | (503) 639-7525 | 2027-10-29 |
| Northwest Geothermal Of Idaho | Hayden | Construction Contractor | NORTHGI905DC | (208) 819-1413 | 2027-06-24 |
| Northwest Hvac Solutions | Spokane | Construction Contractor | NORTHHS756LD | (509) 998-7821 | 2027-06-04 |
| Northwest Lab Services Llc | Mill Creek | Construction Contractor | NORTHLS816KC | (619) 889-4253 | 2027-05-13 |
| Northwest Refrigeration | Tumwater | Construction Contractor | NORTHR*874JK | (360) 357-9973 | 2027-10-03 |
| North Wind Air Llc | Sunnyside | Construction Contractor | NORTHWA824JT | (509) 406-5702 | 2028-04-30 |
| Northwoods Heating | Liberty Lake | Construction Contractor | NORTHH*801DO | (509) 389-7009 | 2028-04-14 |
| Novak Heating & Air, Llc | Moses Lake | Construction Contractor | NOVAKHA791C2 | (509) 750-8423 | 2027-02-22 |
| Nw Comfort Heating & A/C | Naches | Construction Contractor | NWCOMCH744CE | (509) 929-0399 | 2028-02-05 |
| Nw Hood And Duct Syst Cleaning | Edgewood | Construction Contractor | NWHOOHD885D6 | (206) 407-4865 | 2027-04-06 |
| Nw Performance Heating & Cooln | Portland | Construction Contractor | NWPERPH817LF | (503) 256-2436 | 2027-06-06 |
| Oasis Heating & Cooling Llc | Moses Lake | Construction Contractor | OASISHC792LD | (509) 361-0903 | 2027-06-06 |
| Olson Energy Serv/Gas Appl Svc | Seattle | Construction Contractor | OLSONES863OD | (206) 782-5522 | 2026-09-17 |
| Olympic Heating And A/C Llc | Renton | Construction Contractor | OLYMPHA941C2 | (425) 761-8730 | 2028-02-22 |
| Olympic Hvac Llc | Quilcene | Construction Contractor | OLYMPHL772CF | (360) 932-5669 | 2027-06-23 |
| Olympus Heating Cooling & Refr | Kent | Construction Contractor | OLYMPH*782MR | (253) 346-4160 | 2027-08-08 |
| Omni Mechanical Inc | Monroe | Construction Contractor | OMNIMMI779PR | (425) 906-7700 | 2027-10-19 |
| Omni Mechanical Solutions Inc | Livermore | Construction Contractor | OMNIMMS765L9 | (925) 218-2340 | 2026-06-28 |
| One Hour Htg & A/C Of Ctrl Sea | Issaquah | Construction Contractor | ONEHOHH741CJ | (206) 591-3203 | 2028-03-01 |
| On Track Refrigeration Llc | Spokane | Construction Contractor | TRACKTR742BL | (509) 991-9061 | 2028-01-13 |
| Optimal Heating & Cooling Llc | Vancouver | Construction Contractor | OPTIMHC826DK | (971) 279-3233 | 2027-06-04 |
| Optimal Hvac Llc | Bonney Lake | Construction Contractor | OPTIMHL833CC | (206) 734-1730 | 2027-02-05 |
| Orca Heating & A/C | Quil Ceda Village | Construction Contractor | ORCAHC*993DH | (425) 359-9208 | 2027-10-31 |
| Oregon Commercial Heating Inc | Molalla | Construction Contractor | OREGOCH924OL | (503) 829-9670 | 2026-11-07 |
| Oregon Equipment Co Inc | The Dalles | Construction Contractor | OREGOEC136K1 | (541) 296-2915 | 2027-09-01 |
| Oregon Heating & A/C Llc | Beaverton | Construction Contractor | OREGOHC851O2 | (503) 691-9699 | 2027-09-22 |
| Ozanne Custom Llc | Burlington | Construction Contractor | OZANNCL790QQ | (425) 238-0765 | 2027-11-19 |
| Pace Plumbing Heating & Air | Spokane | Construction Contractor | PACEPPH756CR | (509) 489-0824 | 2027-03-12 |
| Pacific Air Control Inc | Bothell | Construction Contractor | PACIFAC230P8 | (206) 682-6393 | 2027-10-01 |
| Pacific Air Hvac Llc | Vancouver | Construction Contractor | PACIFAH774KT | (360) 566-5461 | 2027-06-10 |
| Pacific Appliance Solutins Inc | Camas | Construction Contractor | PACIFAS751R3 | (360) 513-7308 | 2027-12-24 |
| Pacific Mechanical Systems Inc | Lynnwood | Construction Contractor | PACIFMS034B7 | (425) 771-2495 | 2028-02-10 |
| Pacific Northridge Mech Llc | Vancouver | Construction Contractor | PACIFNM745KN | (360) 513-8262 | 2028-05-15 |
| Pacific One Construction Inc | Kirkland | Construction Contractor | PACIFOC963JH | (425) 869-0373 | 2027-07-08 |
| Pacific Peak Mechanical | Vancouver | Construction Contractor | PACIFPM742JC | (360) 833-3410 | 2028-05-22 |
| Pacific Refrigeration Op Llc | Tacoma | Construction Contractor | PACIFRO751MU | (253) 292-8728 | 2027-07-31 |
| Palatial Heating & Ac Llc | Roy | Construction Contractor | PALATHA871QO | (360) 400-1602 | 2027-11-20 |
| Parker Bros Htng & Cllng Llc | Marysville | Construction Contractor | PARKEBH775K3 | (425) 239-6116 | 2027-05-30 |
| Patriot Heating & A/C Inc | Federal Way | Construction Contractor | PATRIHA936CN | (253) 631-0601 | 2027-04-01 |
| Peakline Mechanical Llc | Quincy | Construction Contractor | PEAKLML740LC | (509) 415-9025 | 2028-06-03 |
| Peak Performance Technolgy Llc | Yakima | Construction Contractor | PEAKPPT755LW | (509) 654-0149 | 2027-06-16 |
| Peak Power Llc | Eltopia | Construction Contractor | PEAKPPL754C5 | (509) 316-2844 | 2027-02-25 |
| Pearce Heating & A/C Inc | Redmond | Construction Contractor | PEARCHC850BT | (425) 868-6328 | 2027-01-30 |
| Perfect Climate Inc | Redmond | Construction Contractor | PERFECI022D5 | (206) 977-7353 | 2028-03-14 |
| Piece Of Mind Home Comfort | Puyallup | Construction Contractor | PIECEMH829CZ | (253) 561-6773 | 2028-03-23 |
| Pierce County Heating Llc | Puyallup | Construction Contractor | PIERCCH806PG | (253) 266-5054 | 2026-12-14 |
| Pipe Masters | Port Hadlock | Construction Contractor | PIPEMM*863NM | (360) 531-4243 | 2027-06-13 |
| Platinum Heating & Cooling Llc | Oregon City | Construction Contractor | PLATIHC749J7 | (503) 453-4422 | 2028-04-27 |
| Polk Mechanical Llc | Marysville | Construction Contractor | POLKMML834J5 | (425) 268-1471 | 2027-05-07 |
| Poulsbo Heating Company | Poulsbo | Construction Contractor | POULSHC980R3 | (360) 779-9678 | 2027-01-15 |
| Powers Hvac Repair Llc | Bonney Lake | Construction Contractor | POWERHR821LQ | (253) 315-3289 | 2028-06-24 |
| Power Vac Llc | Vancouver | Construction Contractor | POWERVL938J6 | (360) 694-6284 | 2027-04-29 |
| P P S Heating & A/C Inc | Issaquah | Construction Contractor | PPSHEA*133DA | (425) 747-2841 | 2027-03-18 |
| Precise Heating & Cooling Llc | Monroe | Construction Contractor | PRECIHC891L9 | (206) 861-2525 | 2027-06-29 |
| Precisionaire Northwest Llc | Clackamas | Construction Contractor | PRECINL758LO | (503) 901-4753 | 2027-11-07 |
| Precision Air Htng/Cooling Inc | Post Falls | Construction Contractor | PRECIAH756OH | (208) 773-2701 | 2027-09-12 |
| Precision Air Llc | Vancouver | Construction Contractor | PRECIAL825Q8 | (360) 322-1499 | 2026-12-03 |
| Precision Air Services Inc | Covington | Construction Contractor | PRECIAS992LH | (253) 631-8826 | 2027-02-12 |
| Precision Duct Cleaning Llc | Moses Lake | Construction Contractor | PRECIDC777RH | (509) 989-3115 | 2027-12-08 |
| Precision Sheetmetal & Htg Inc | Vancouver | Construction Contractor | PRECISH973B3 | (503) 939-8600 | 2027-07-17 |
| Precision Test & Balance Inc | Wilsonville | Construction Contractor | PRECITB886MK | (503) 779-6265 | 2026-08-13 |
| Preferred Mechanical Contrs | Milwaukee | Construction Contractor | PREFEMC761Q7 | (239) 823-3597 | 2027-01-22 |
| Premier Heating & Cooling Llc | Wenatchee | Construction Contractor | PREMIHC760NT | (509) 433-4333 | 2026-09-05 |
| Prevent Mechanical | Tacoma | Construction Contractor | PREVEM*750MG | (253) 345-9099 | 2027-07-08 |
| Prince Mechanical Llc | Concrete | Construction Contractor | PRINCML812OP | (360) 965-9157 | 2027-09-19 |
| Pringles Power Vac Inc | Richland | Construction Contractor | PRINGPV936DA | (509) 375-0500 | 2026-07-13 |
| Pro Air Heating & Cooling Inc | Centralia | Construction Contractor | PROAIAH849DH | (701) 609-4764 | 2027-09-14 |
| Professional Air Balance Svc | Sherwood | Construction Contractor | PROFEAB890QC | (503) 232-0668 | 2028-01-21 |
| Progressive Comfort Solutions | Seattle | Construction Contractor | PROGRCS863J1 | (206) 382-8537 | 2028-06-12 |
| Pro Heating & Air Conditioning | Walla Walla | Construction Contractor | PROHEHA784K3 | (509) 876-6254 | 2026-07-22 |
| Pro Heating And Cooling Inc | Portland | Construction Contractor | PROHEHC770B6 | (971) 205-4989 | 2027-03-07 |
| Pro Heat Llc | Seattle | Construction Contractor | PROHEHL932JZ | (206) 356-8204 | 2027-11-12 |
| Proheat Nw Llc | Vancouver | Construction Contractor | PROHENL841BO | (360) 901-3176 | 2026-08-19 |
| Protemp Associates Inc | Portland | Construction Contractor | PROTEAI1979D | (503) 233-6911 | 2026-11-08 |
| Puget Sound Cont & Elect Llc | Gig Harbor | Construction Contractor | PUGETSC762B6 | (253) 851-7252 | 2028-02-01 |
| Puget Sound Gas | Sultan | Construction Contractor | PUGETSG769MJ | (425) 346-0477 | 2026-08-16 |
| Pure Air Clng & Htng Llc | Mountlake Ter | Construction Contractor | PUREAAC757KA | (425) 540-8576 | 2027-05-01 |
| Pure Power | Bothell | Construction Contractor | PUREPP*771PJ | (206) 948-8812 | 2027-10-11 |
| Quality Comfort Htg & Air Cond | Yakima | Construction Contractor | QUALICH908KL | (509) 949-4085 | 2028-06-14 |
| Quality Comfort Solutions Llc | Monroe | Construction Contractor | QUALICS797LQ | (360) 999-0466 | 2027-10-03 |
| Quality Tek Htg & Cooling Llc | Yakima | Construction Contractor | QUALITH773KR | (509) 571-3468 | 2027-05-19 |
| Quick Cool | Battle Ground | Construction Contractor | QUICKC*935PR | (503) 367-7486 | 2028-01-21 |
| Quincy Heating & A/C Llc | Quincy | Construction Contractor | QUINCHC889LF | (509) 237-3645 | 2028-06-08 |
| Rawhide Electric Services Llc | Woodland | Construction Contractor | RAWHIES903RC | (360) 577-3860 | 2028-05-15 |
| Ray Heating & A/C Inc | Bellingham | Construction Contractor | RAYHEAI988NE | (360) 671-5555 | 2027-04-03 |
| Rc Mechanical | Chelan | Construction Contractor | RCMECM*812J2 | (509) 670-6920 | 2027-04-28 |
| Rebel Creek Heating & Air Inc | Hayden | Construction Contractor | REBELCH768OF | (509) 332-9231 | 2026-09-06 |
| Recreate Contracting Llc | Colbert | Construction Contractor | RECRECL774DN | (206) 334-7649 | 2027-03-15 |
| Redinger Heating & Cooling Inc | Moscow | Construction Contractor | REDINHC761CW | (208) 882-8152 | 2028-05-13 |
| Refer Guy Adam'S Mech Llc | Ridgefield | Construction Contractor | REFERGA756LL | (971) 678-7881 | 2027-06-24 |
| Refmaster Llc | Tacoma | Construction Contractor | REFMAL*797P8 | (253) 200-7678 | 2027-11-08 |
| Refrigeration Doctor | Seattle | Construction Contractor | REFRID*782OA | (206) 819-7511 | 2026-10-04 |
| Reitmeier Mechanical | Tualatin | Construction Contractor | REITMM*972B1 | (503) 603-0205 | 2027-01-28 |
| Reliable Mechanical Llc | Vancouver | Construction Contractor | RELIAML900BL | (360) 693-7379 | 2028-01-24 |
| Reliance Indoor Air Quality | Lynden | Construction Contractor | RELIAIA932K5 | (360) 410-9159 | 2027-05-25 |
| Reliatemp Llc | Belfair | Construction Contractor | RELIAL*920M5 | (360) 275-4793 | 2027-01-27 |
| Restaurant Refrigeration & Rpr | Arlington | Construction Contractor | RESTARR883OE | (425) 387-7990 | 2026-10-04 |
| Retail Mechanical Services Inc | Bohemia | Construction Contractor | RETAIMS818BD | (631) 297-9292 | 2027-03-21 |
| Rick Aske Llc | Woodland | Construction Contractor | RICKAAL822OF | (360) 606-7610 | 2027-05-12 |
| Ridgeline Electric Llc | Roy | Construction Contractor | RIDGEEL750DF | (253) 363-6977 | 2027-03-06 |
| Ringold Refrigeration Llc | Pasco | Construction Contractor | RINGORL820N3 | (509) 737-7187 | 2026-08-23 |
| River City Nw Mechanical Llc | Sherwood | Construction Contractor | RIVERCN860N6 | (503) 591-9950 | 2027-11-14 |
| Riverside Heating Llc | Nooksack | Construction Contractor | RIVERHL791LH | (360) 685-3721 | 2027-06-08 |
| River Valley Htg & Clng Llc | Wenatchee | Construction Contractor | RIVERVH757KR | (509) 668-8850 | 2027-05-19 |
| Robben & Sons Htg Inc | Clackamas | Construction Contractor | ROBBESH337N8 | (503) 233-5841 | 2028-03-19 |
| Rob'S Heating & Cooling Inc | Blanchard | Construction Contractor | ROBSHHC756W8 | (208) 448-0973 | 2027-01-28 |
| Rock Creek Heating & A/C Llc | Spokane Valley | Construction Contractor | ROCKCCH777OA | (509) 869-5828 | 2027-09-01 |
| Romero Electric Htg & Clng | Battle Ground | Construction Contractor | ROMEREH753P8 | (360) 916-3669 | 2027-10-28 |
| Ronald D Hinze Enterprises Inc | Spanaway | Construction Contractor | RONALDH015CZ | (253) 847-9095 | 2027-02-17 |
| Ronces Air Control | Marysville | Construction Contractor | RONCEAC859RZ | (360) 395-8360 | 2028-03-05 |
| Rooster'S Heating & Coolng Llc | Clarkston | Construction Contractor | ROOSTHC755OH | (479) 652-9979 | 2027-09-12 |
| Royal Heating Llc | Issaquah | Construction Contractor | ROYALHL851P3 | (425) 449-2302 | 2027-11-15 |
| Royal Temp Hvac Llc | Vancouver | Construction Contractor | ROYALTH764NK | (541) 974-8241 | 2026-08-12 |
| Ruane Mechanical Inc | Lancaster | Construction Contractor | RUANEMI812OD | (661) 526-5779 | 2027-09-04 |
| Russ Heating & Cooling Llc | Tacoma | Construction Contractor | RUSSHHC792P9 | (253) 409-9805 | 2027-11-24 |
| Salazar Specialized Services | Yakima | Construction Contractor | SALAZSS096R3 | (509) 457-7176 | 2028-03-19 |
| Sammamish Heating & A/C | Snohomish | Construction Contractor | SAMMAHA077PH | (425) 881-9710 | 2026-08-03 |
| San Juan Heating Llc | Friday Harbor | Construction Contractor | SANJUJH914P3 | (360) 378-4328 | 2027-10-22 |
| Sapphire Heating And Air Llc | Mill Creek | Construction Contractor | SAPPHHA756JG | (425) 595-7972 | 2027-04-07 |
| Scotts Hvac Diagnostic | Lake Stevens | Construction Contractor | SCOTTHD743KJ | (425) 381-6581 | 2028-05-14 |
| Scott & Sons Heating & Ac Llc | Colbert | Construction Contractor | SCOTTSH883RJ | (509) 993-4854 | 2027-04-18 |
| Seattle Heating & Cooling Llc | Kent | Construction Contractor | SEATTHC776JK | (206) 848-8080 | 2027-04-12 |
| Serenity Air Inc | Puyallup | Construction Contractor | SERENAI920L6 | (253) 255-5682 | 2026-10-10 |
| Serenity Heating & A/C | Blaine | Construction Contractor | SERENHC763R6 | (360) 255-3081 | 2026-12-26 |
| Service First Heating/Clg Inc | Vancouver | Construction Contractor | SERVIFH928J4 | (360) 591-7274 | 2028-05-22 |
| Service Max Heating And Ac Llc | Arlington | Construction Contractor | SERVIMH885DE | (360) 333-5904 | 2026-09-08 |
| Sevyn'S Heating & Cooling Llc | Medical Lake | Construction Contractor | SEVYNHC7517U | (509) 723-6847 | 2027-10-31 |
| Shafer Heating & Cooling Inc | Hayden | Construction Contractor | SHAFEHC019KF | (208) 772-2815 | 2027-06-16 |
| Shamburg Heating Llc | Beavercreek | Construction Contractor | SHAMBHL990MS | (503) 692-5563 | 2027-06-07 |
| Sharp Mechanical Llc | Fairfield | Construction Contractor | SHARPML782DZ | (509) 742-0310 | 2028-05-21 |
| Shoresair | Ocean Shores | Construction Contractor | SHORE**756D4 | (360) 590-0215 | 2027-03-25 |
| Shrode Heating & Cooling Inc | Rosalia | Construction Contractor | SHRODHC937LF | (509) 523-4838 | 2027-07-23 |
| Sig Mechanical Llc | Edmonds | Construction Contractor | SIGMEML745CJ | (425) 232-1186 | 2028-02-11 |
| Sk Refrigeration Service | Federal Way | Construction Contractor | SKREFRS751N5 | (206) 818-0104 | 2027-08-25 |
| Sky Heating & Air Cond Llc | Tualatin | Construction Contractor | SKYHEHA7635N | (503) 235-9083 | 2026-08-15 |
| Smart Electric Llc | Everett | Construction Contractor | SMARTEL794OZ | (425) 999-3040 | 2027-09-10 |
| Smarttab Llc | Castle Rock | Construction Contractor | SMARTL*840KF | (360) 513-1235 | 2028-05-16 |
| Snohomish Furnace & Air Llc | Lake Stevens | Construction Contractor | SNOHOFA860OB | (425) 610-6635 | 2026-09-14 |
| Sno Valley Electric Heat & Ac | Snohomish | Construction Contractor | SNOVAVE825MW | (360) 294-8276 | 2026-07-16 |
| Snowflame Htg & Air Cdting Llc | Everett | Construction Contractor | SNOWFHA790CE | (425) 350-8091 | 2027-02-13 |
| Sos Heating & Air Conditioning | Spokane | Construction Contractor | SOSHEHA754JJ | (509) 768-7680 | 2027-04-11 |
| Sound Comfort Heatng & Air Con | Lake Stevens | Construction Contractor | SOUNDCH763NN | (425) 225-4756 | 2026-10-11 |
| Southend Heating & Air Inc | Puyallup | Construction Contractor | SOUTHHA765RG | (206) 391-9248 | 2026-11-26 |
| Southern Heat | Graham | Construction Contractor | SOUTHH*912DT | (253) 304-3102 | 2027-06-18 |
| Southland Mechanical Inc | Rancho Cucamonga | Construction Contractor | SOUTHMI758CL | (909) 223-4546 | 2027-02-13 |
| Southside Mechanical Llc | Spokane Valley | Construction Contractor | SOUTHML773KJ | (509) 994-4741 | 2027-05-11 |
| Specialty Mechanical Services | Everett | Construction Contractor | SPECIMS779B7 | (425) 512-9761 | 2027-02-02 |
| Stafford Air Llc | Tualatin | Construction Contractor | STAFFAL751PO | (503) 828-2632 | 2027-10-20 |
| Star Home Heating | Covington | Construction Contractor | STARHHH979QK | (206) 310-2111 | 2027-11-12 |
| Steady Air Llc | Orting | Construction Contractor | STEADAL832D2 | (360) 388-7448 | 2027-04-06 |
| Steele Mechanical Llc | Everett | Construction Contractor | STEELML774CW | (888) 294-1113 | 2027-02-16 |
| Stephen Rice Plumbing | Everett | Construction Contractor | STEPHRP853NK | (206) 920-8829 | 2026-12-16 |
| Stewart Family Htg & Clng Llc | Spanaway | Construction Contractor | STEWAFH763P4 | (253) 256-3039 | 2026-10-25 |
| Stroud'Sheating&Cooling Llc | Mckenna | Construction Contractor | STROUL*794R8 | (253) 335-8803 | 2028-01-11 |
| Summit Heating & Cooling Llc | Yakima | Construction Contractor | SUMMIHC741DW | (509) 895-1695 | 2028-03-16 |
| Sun Glow Inc | Portland | Construction Contractor | SUNGLI*088RB | (503) 253-7789 | 2028-06-10 |
| Superior Heating | Federal Way | Construction Contractor | SUPERH*761D5 | (253) 863-2603 | 2028-04-03 |
| Sure Temp Mechanical Llc | Walla Walla | Construction Contractor | SURETTM8981K | (509) 522-0089 | 2027-04-12 |
| Svm Heating Inc | Everett | Construction Contractor | SVMHEHI841DH | (425) 829-0231 | 2028-03-12 |
| Tac Services, Inc | Mount Vernon | Construction Contractor | TACSESI757RT | (360) 255-5306 | 2027-12-30 |
| Temp-A-Cure Inc | Oregon City | Construction Contractor | TEMPAI*931QO | (503) 655-8009 | 2028-06-09 |
| Temperature Zone Llc | Camas | Construction Contractor | TEMPEZ*759K4 | (360) 954-4549 | 2027-07-15 |
| Testcomm Llc | Spokane | Construction Contractor | TESTCL*044QK | (509) 533-0498 | 2026-11-01 |
| Testing & Comm. Services Llc | Bow | Construction Contractor | TESTICS895DT | (360) 224-8555 | 2027-03-30 |
| Tga Construction Llc | Tacoma | Construction Contractor | TGACOCL740DP | (253) 625-9424 | 2028-03-17 |
| The Gas Guy | Vancouver | Construction Contractor | GASGUGG748CR | (503) 703-8224 | 2028-03-01 |
| The Heating Specialist Llc | Portland | Construction Contractor | HEATIHS753OJ | (503) 257-7000 | 2027-09-16 |
| The Hvac Guys Llc | Battle Ground | Construction Contractor | HVACGGL740KJ | (520) 236-9718 | 2028-05-11 |
| Thermal Air Llc | Oroville | Construction Contractor | THERMAL976DS | (509) 476-3145 | 2028-03-13 |
| Thermal Heating & Cooling Llc | Clatskanie | Construction Contractor | THERMHC753ON | (503) 791-2999 | 2027-09-15 |
| Thermalwise Heating & Rfrg Llc | Walla Walla | Construction Contractor | THERMHR773K3 | (206) 679-3466 | 2027-07-01 |
| Thermex Valley Heating & A/C | Yakima | Construction Contractor | THERMVH757PU | (509) 965-0630 | 2027-11-12 |
| Thunderbird Hvac Llc | Kent | Construction Contractor | THUNDHL762K8 | (206) 890-0815 | 2028-05-29 |
| Tim'S Comfort Plus | Spokane | Construction Contractor | TIMSCP*098KP | (509) 534-6558 | 2028-05-15 |
| Tna Electric & Controls Inc | Endicott | Construction Contractor | TNAELEC836N9 | (509) 632-3299 | 2027-09-01 |
| Todds Heating And Cooling Llc | Battle Ground | Construction Contractor | TODDSHC910P1 | (360) 624-4881 | 2027-12-23 |
| Todd Sheet Metal | Suquamish | Construction Contractor | TODDSM*194MA | (360) 598-4517 | 2028-04-09 |
| Top Heating And Cooling | Issaquah | Construction Contractor | TOPHEHC783BS | (425) 394-8106 | 2028-03-09 |
| Tornado Air Inc | Carson | Construction Contractor | TORNAAI740KN | (562) 266-7961 | 2028-05-15 |
| Total Comfort Llc | Maple Falls | Construction Contractor | TOTALCL762D5 | (360) 220-6659 | 2028-04-08 |
| Total Comfort Systems Llc | Spokane | Construction Contractor | TOTALCS807BB | (509) 432-6132 | 2028-03-05 |
| Total Heating Company Llc | Graham | Construction Contractor | TOTALHC921MT | (253) 380-4503 | 2028-01-09 |
| Total Quality Air Llc | Pasco | Construction Contractor | TOTALQA900QB | (509) 205-1592 | 2026-11-02 |
| Tough Comfort Solutions Llc | Yakima | Construction Contractor | TOUGHCS741D7 | (509) 388-6993 | 2028-03-27 |
| Tradewinds Heating & Cool Llc | Kennewick | Construction Contractor | TRADEHC758NH | (509) 378-1118 | 2027-08-11 |
| Tranformation Fireplace Llc | Spokane | Construction Contractor | TRANFFL756RS | (509) 230-2098 | 2027-12-10 |
| Tri-County Hvac Inc | Estacada | Construction Contractor | TRICOHI876KS | (503) 849-9207 | 2027-05-14 |
| Tripped Electric Llc | Snohomish | Construction Contractor | TRIPPEL774PS | (360) 294-4020 | 2027-10-10 |
| Tri-Tech Heating Inc | Vancouver | Construction Contractor | TRITEHI952LL | (360) 891-2002 | 2027-06-13 |
| Triton Air | Sequim | Construction Contractor | TRITOA*828QA | (360) 797-4941 | 2026-12-01 |
| Truetech Mechanical | Spokane Valley | Construction Contractor | TRUETM*751LS | (509) 808-1364 | 2027-06-16 |
| Truett'S Heating & Cooling Llc | Mckenna | Construction Contractor | TRUETHC756B7 | (253) 232-3791 | 2027-01-27 |
| Trusted Comfort Llc | Buckley | Construction Contractor | TRUSTCL794B5 | (253) 632-6097 | 2027-02-05 |
| T & S Mechanical Llc | Buckley | Construction Contractor | TSMECSM773NC | (702) 379-5869 | 2027-08-03 |
| Tss Hvac Services Llc | Boise | Construction Contractor | TSSHVHS758LT | (208) 376-1393 | 2027-08-26 |
| Tvr Inc | Meridian | Construction Contractor | TVRINI*942D3 | (208) 323-0433 | 2027-10-15 |
| Twin County Mechanical Llc | Chehalis | Construction Contractor | TWINCCM771N1 | (360) 880-4328 | 2027-10-14 |
| Uni Refrigeration | Seattle | Construction Contractor | UNIRER*919PA | (206) 406-3964 | 2027-10-01 |
| Unisystems Heating & Ac Llc | Auburn | Construction Contractor | UNISYHA830C1 | (206) 697-4808 | 2027-03-19 |
| Universal Mech Service Co Inc | Redmond | Construction Contractor | UNIVEMS132JF | (425) 885-9100 | 2026-10-30 |
| Up-Liance Llc | Issaquah | Construction Contractor | UPLIAL*752M5 | (916) 230-7186 | 2027-08-07 |
| Usi Hvac Llc | Veradale | Construction Contractor | USIHVHL793LJ | (509) 979-2573 | 2027-06-18 |
| Valley Furnace Inc | Puyallup | Construction Contractor | VALLEFI161R6 | (253) 848-3517 | 2028-01-09 |
| Va Mechanical Inc | Federal Way | Construction Contractor | VAMECMI892NE | (253) 797-7317 | 2027-08-11 |
| Van Air & Controls Llc | Mulino | Construction Contractor | VANAICL962CZ | (503) 632-5991 | 2028-02-09 |
| Vance Heating & Air Cond Inc | Yakima | Construction Contractor | VANCEHA076OP | (509) 248-9450 | 2026-12-28 |
| Vancouver Heating & Air Llc | Vancouver | Construction Contractor | VANCOHA831LK | (360) 567-8266 | 2027-07-16 |
| Velocity Hvac | Bellingham | Construction Contractor | VELOCH*768D5 | (360) 201-5985 | 2028-04-20 |
| Ventilation Experts Inc | Dallas | Construction Contractor | VENTIEI791QB | (503) 437-0191 | 2027-11-18 |
| Vent Services | Seattle | Construction Contractor | VENTSS*756RT | (832) 739-1348 | 2028-01-02 |
| Veteran Comfort Llc | Spokane Valley | Construction Contractor | VETERCL756NO | (509) 541-5705 | 2027-08-20 |
| Vista Heating And Cooling Llc | Battle Ground | Construction Contractor | VISTAHC803R3 | (360) 947-4922 | 2027-01-13 |
| Vlad Hvac Llc | Edgewood | Construction Contractor | VLADHHL855KQ | (253) 332-1137 | 2027-06-10 |
| Walla Walla Refrigeration Llc | Sumner | Construction Contractor | WALLAWR846DN | (253) 863-6200 | 2028-03-05 |
| Watts Heating And Cooling Inc | Milwaukie | Construction Contractor | WATTSHC915N6 | (503) 786-2858 | 2026-10-08 |
| Weekend Heating & Cooling Llc | Everett | Construction Contractor | WEEKEHC830QZ | (786) 216-6010 | 2027-11-12 |
| Westcoast Heating & Air Llc | Puyallup | Construction Contractor | WESTCHA837DF | (253) 845-5174 | 2027-03-06 |
| West Coast Mechanical Contrs | Salem | Construction Contractor | WESTCCM863NO | (503) 315-2277 | 2026-08-20 |
| West Coast Power Vac Llc | Bonney Lake | Construction Contractor | WESTCCP813N2 | (253) 736-5574 | 2027-09-07 |
| Western Heating & Cooling Inc | Scappoose | Construction Contractor | WESTEHC772O8 | (503) 543-5599 | 2027-10-06 |
| Western Mechanical Hvac | Auburn | Construction Contractor | WESTEMH902PN | (206) 510-1719 | 2027-09-23 |
| Western States Equipment Co | Meridian | Construction Contractor | WESTESE088NM | (208) 884-2320 | 2027-04-01 |
| West Peak Services Llc | Forks | Construction Contractor | WESTPPS773LM | (206) 369-8414 | 2027-11-19 |
| Westside Hvac Inc | Edgewood | Construction Contractor | WESTSHI778KP | (253) 258-4022 | 2027-06-01 |
| Westworld Airworks Llc | Seattle | Construction Contractor | WESTWAL757P8 | (425) 533-8284 | 2027-10-28 |
| Whidbey Heating & Stoves Llc | Greenbank | Construction Contractor | WHIDBHS934L6 | (360) 661-5376 | 2026-11-14 |
| Willamette Hvac Llc | Hillsboro | Construction Contractor | WILLAHL952L2 | (503) 259-3200 | 2027-09-19 |
| Willard Power Vac Inc | Portland | Construction Contractor | WILLAPV828KU | (503) 256-9905 | 2026-07-18 |
| Wjhn No 1 Hvac Company Llc | Lynnwood | Construction Contractor | WJHNNN1792DN | (206) 664-1276 | 2028-02-06 |
| Wrench Hvac Pro Llc | Tacoma | Construction Contractor | WRENCHP764O4 | (253) 876-4548 | 2026-09-27 |
| Xtreme Heating & Cooling | Cashmere | Construction Contractor | XTREMHC802DC | (509) 548-0763 | 2028-03-03 |
| Your Comfort Solutions Dp Llc | Pacific | Construction Contractor | YOURCCS755QO | (253) 338-0370 | 2027-11-20 |
| Z-Man Heating A/C Plmbg Srvcs | Monroe | Construction Contractor | ZMANHS*017R2 | (360) 794-6594 | 2028-04-18 |
| Zone Mechanical & Elec Svc | Spokane Valley | Construction Contractor | ZONEMME936C7 | (509) 389-0811 | 2027-04-10 |