Heating/vent/air-conditioning and refrig (hvac/r) contractors — page 1 of 3
695 active registrations, specialty “Heating/vent/air-conditioning and refrig (hvac/r)” as L&I records it.
| Place | Contractor | License | Specialty | Expires |
|---|---|---|---|---|
| Lakewood, WA | 253 HVACR TECHS | 253HVHT746OA | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 1, 2028 |
| Kirkland, WA | 360 HVAC LLC | 360HVHL748JP | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 17, 2028 |
| Moxee, WA | 509 MECHANICAL LLC | 509MEML791KP | Heating/vent/air-conditioning and refrig (hvac/r) | May 18, 2027 |
| Vancouver, WA | 777 HVAC LLC | 777HVHL785K7 | Heating/vent/air-conditioning and refrig (hvac/r) | May 27, 2028 |
| Pasco, WA | 7BLUESKY HEATING & AIR LLP | 7BLUEHA766BP | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 5, 2028 |
| Independence, OR | A & P HVAC LLC | APHVAL*741K9 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 1, 2028 |
| Bellevue, WA | A F GAS INSTALLATION LLC | FGASIFG816RS | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 10, 2027 |
| Ferndale, WA | A PLUS HEATING & A/C LLC | PLUSHPH791QS | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 21, 2027 |
| South Bend, WA | A R HEATING & COOLING INC | ARHEAHC769KC | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 27, 2027 |
| Lynnwood, WA | AAA HVAC LLC | AAAHVHL916ON | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 7, 2028 |
| Marysville, WA | AARDEN AIR SERVICE LLC | AARDEAS928KW | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 28, 2027 |
| Port Angeles, WA | ABSOLUTE AIR INC | ABSOLAI990KB | Heating/vent/air-conditioning and refrig (hvac/r) | May 31, 2027 |
| Mill Creek, WA | ABSOLUTE GAS SERVICES | ABSOLGS002BU | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 8, 2027 |
| Auburn, WA | Absolute Heating & Cooling Inc | ABSOLHC867PZ | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 20, 2026 |
| Vancouver, WA | ABSOLUTE HEATING/CLG SLTNS LLC | ABSOLHS885DG | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 12, 2028 |
| Happy Valley, OR | ABSOLUTE TEMP CONTROL | ABSOLTC870B5 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 5, 2028 |
| Mount Vernon, WA | AC FURNACE GUYS LLC | ACFURFG741K6 | Heating/vent/air-conditioning and refrig (hvac/r) | May 26, 2028 |
| Woodland, WA | AC NW HEATING & COOLING INC | ACNWHNH801QP | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 17, 2026 |
| Veradale, WA | ACCUFLO AIR SYSTEMS LLC | ACCUFAS842LA | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 1, 2028 |
| Beaverton, OR | ACCURATE BALANCING AGENCY INC | ACCURBA081L9 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 23, 2028 |
| Seattle, WA | ACCURATE MECHANICAL LLC | ACCURML765JS | Heating/vent/air-conditioning and refrig (hvac/r) | May 19, 2028 |
| Debary, FL | ACE AIR CONDITIONING INC | ACEAIAC818LE | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 17, 2027 |
| Seattle, WA | ACE HVAC SERVICE LLC | ACEHVHS797OT | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 2, 2027 |
| Bonney Lake, WA | ACME-REFRIGERATION AND HTG LLC | ACMERHL793DU | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 28, 2028 |
| Spokane, WA | ACNW LLC | ACNWLL*806P2 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 15, 2026 |
| Port Hadlock, WA | ADMIRALTY HEATING & AIR | ADMIRHA819LP | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 17, 2027 |
| Tacoma, WA | ADON'S HEATING& MECHANICAL | ADONSHM771MG | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 10, 2028 |
| Moses Lake, WA | ADVANCED COMFORT SYSTEMS INC | ADVANCS900JE | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 15, 2028 |
| Seattle, WA | ADVANCED ENERGY SAVERS INC | ADVANES100K9 | Heating/vent/air-conditioning and refrig (hvac/r) | May 21, 2028 |
| Longview, WA | Advanced Mech Htg & Clg, LLC | ADVANMH767JR | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 19, 2028 |
| Spokane Valley, WA | ADVANCED MECHANICAL SYS INC | ADVANMS164QL | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 20, 2028 |
| Mill Creek, WA | AEROHEAT LLC | AEROHL*743DO | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 30, 2028 |
| Miamisburg, OH | AEROSEAL LLC | AEROSL*833LG | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 9, 2028 |
| Wood Village, OR | AIR BOSS LLC | AIRBOBL741M2 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 4, 2028 |
| Portland, OR | AIR COMFORT INC | AIRCOI*990P9 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 7, 2028 |
| Vancouver, WA | AIR DOCTOR HTNG CLNG SERV INC | AIRDODH881BO | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 14, 2027 |
| Marysville, WA | AIR DUCTORS INC | AIRDUDI932N3 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 23, 2027 |
| Vancouver, WA | AIR EXCHANGE INC | AIREXEI944NP | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 19, 2028 |
| Tigard, OR | AIR FILTERS NORTHWEST INC | AIRFIFN974PS | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 24, 2027 |
| Sequim, WA | AIR FLO HEATING COMPANY INC | AIRFLI*206DG | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 25, 2028 |
| Vancouver, WA | AIR GUIDE HEATING & COOLING | AIRGUGH750OR | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 19, 2027 |
| Portland, OR | AIR HEATING & COOLING LLC | AIRHEHC783MG | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 28, 2028 |
| Port Orchard, WA | AIR MASTERS INC | AIRMAI*044OQ | Heating/vent/air-conditioning and refrig (hvac/r) | May 27, 2027 |
| Vancouver, WA | AIR PRO HEATING & COOLING LLC | AIRPRPH915LK | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 17, 2027 |
| Auburn, WA | AIR PRO SOLUTIONS LLC | AIRPRPS776RE | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 29, 2027 |
| Tacoma, WA | AIR SOLUTIONS | AIRSOS*851MT | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 30, 2027 |
| Brea, CA | AIR TREATMENT CORPORATION | AIRTRTC757CN | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 16, 2027 |
| Stanwood, WA | AIR-TECH LLC | AIRTEL*951CW | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 21, 2027 |
| Puyallup, WA | AIRBEST HOME SERVICES | AIRBEHS760LO | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 21, 2028 |
| Renton, WA | AIRCARE USA INC | AIRCAUI855R3 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 14, 2028 |
| Battle Ground, WA | AIRCO HEATING & AC LLC | AIRCOHA7755T | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 30, 2027 |
| Post Falls, ID | AIRCO MECHANICAL LLC | AIRCOML894UD | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 5, 2027 |
| Battleground, WA | AIRCON ELECTRIC LLC | AIRCOEL855RN | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 15, 2027 |
| Spokane, WA | AIRE SERV OF SPOKANE | AIRESSS897RT | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 30, 2027 |
| Bothell, WA | AIRMAN HEATING & COOLING LLC | AIRMAHC778P6 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 23, 2028 |
| Marysville, WA | AIRPRO GENIUS LLC | AIRPRGL761KT | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 22, 2028 |
| Everett, WA | AIRPROS ENERGY LLC | AIRPREL909D3 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 23, 2028 |
| Lynnwood, WA | AIRTEST CO LLC | AIRTECL790D9 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 1, 2027 |
| East Olympia, WA | AIRTIGHT HTG & A/C LLC | AIRTIHA931PB | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 4, 2027 |
| Gresham, OR | ALADDIN HEAT & AIR CONDIT CORP | ALADDHA756KF | Heating/vent/air-conditioning and refrig (hvac/r) | May 6, 2027 |
| Bonney Lake, WA | ALL AMERICAN AIR LLC | ALLAMAA754RT | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 30, 2027 |
| Vancouver, WA | ALL PRO DUCT CLEANING LLC | ALLPRPD869RS | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 8, 2027 |
| Spanaway, WA | ALL SEASONS HTG/CLIMATE CNTRL | ALLSESH900DC | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 9, 2028 |
| Moxee, WA | All Star Propane II LLC | ALLSTSP777CL | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 30, 2027 |
| Snoqualmie, WA | ALL WEATHER HTG A/C & RFRG LLC | ALLWEWH941BD | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 4, 2028 |
| Tacoma, WA | ALLBRANDS REFRIGERATION LLC | ALLBRRL773B3 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 17, 2027 |
| Tacoma, WA | ALLEGIANCE ELEC HTG & COOL LLC | ALLEGEH754KK | Heating/vent/air-conditioning and refrig (hvac/r) | May 15, 2027 |
| Belfair, WA | Allegiance Heating & A/C LLC | ALLEGHC876N2 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 28, 2028 |
| Coeur D Alene, ID | ALLIANCE AIR | ALLIAA*746K7 | Heating/vent/air-conditioning and refrig (hvac/r) | May 27, 2028 |
| Portland, OR | ALLIANT SYSTEMS LLC | ALLIASL987RP | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 27, 2027 |
| Bellevue, WA | ALPHA HTG & AIR COND INC | ALPHAHA9767S | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 3, 2027 |
| Dalton Gardens, ID | ALPINA MECHANICAL LLC | ALPINML801MA | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 29, 2028 |
| Tumwater, WA | ALPINE DUCTLESS LLC | ALPINDL876JQ | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 19, 2027 |
| Vancouver, WA | ALPINE MECHANICAL LLC | ALPINML792NJ | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 21, 2027 |
| Ellensburg, WA | Alternative Heat Source LLC | ALTERHS838P5 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 25, 2027 |
| Lake Stevens, WA | ALTITUDE HEATING & COOLING LLC | ALTITHC758KF | Heating/vent/air-conditioning and refrig (hvac/r) | May 6, 2027 |
| Lake Tapps, WA | ALTON HEATING & MECH LLC | ALTONHM772NG | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 1, 2027 |
| Lake Stevens, WA | ALWAYS COMFY HVAC | ALWAYCH748BG | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 13, 2028 |
| Brush Prairie, WA | AM/PM HEATING & COOLING INC | AMPMHHC803B4 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 18, 2028 |
| Seattle, WA | AMBIENT AIR HEATING LLC | AMBIEAH822BD | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 5, 2028 |
| Auburn, WA | AMBIENT CONTROL CO INC | AMBIECC101PW | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 25, 2027 |
| Vancouver, WA | AMC AIR | AMCAIA*742DK | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 12, 2028 |
| Tacoma, WA | AMC HEATING & COOLING | AMCHEHC748M7 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 27, 2028 |
| Spokane, WA | AMD HVAC | AMDHVH*787BU | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 7, 2028 |
| Walla Walla, WA | AMERICAN AIR HEATING/CLNG LLC | AMERIAH854PE | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 5, 2027 |
| Newport, WA | AMERICAN EAGLE HVAC LLC | AMERIEH785ON | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 15, 2028 |
| Renton, WA | AMERICAN ENERGY SYSTEMS LLC | AMERIES784BO | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 1, 2028 |
| Jacksonville, FL | AMERICAN REFRIGERATION LLC | AMERIRL768R6 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 18, 2027 |
| Yelm, WA | AMG HEATING & AIR LLC | AMGHEHA772Q2 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 6, 2028 |
| Grandview, WA | ANB HEATING & AIR LLC | ANBHEHA744DE | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 5, 2028 |
| Twisp, WA | ANCHOR HEATING & COOLING LLC | ANCHOHC759D5 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 31, 2027 |
| Portland, OR | ANDERSEN MECHANICAL INC | ANDERMI790P6 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 12, 2028 |
| Milton, WA | ANDERSON NESLER COMPANY INC | ANDERNC921JP | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 29, 2028 |
| Redmond, WA | ANDREI'S GAS INST SERVICE LLC | ANDREGI808P9 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 29, 2026 |
| Tacoma, WA | ANY SEASON COMFORT SLTNS LLC | ANYSESC763PC | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 3, 2026 |
| Lewiston, ID | AP HVAC LLC | APHVAHL808OC | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 2, 2028 |
| Langley, WA | AP MECHANICAL | APMECM*799RF | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 9, 2027 |
| Pasco, WA | APEX MECHANICAL SERVICES LLC | APEXMMS766ME | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 20, 2028 |
| Spokane, WA | APEX PRO HEATING & COOLING LLC | APEXPPH741MF | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 6, 2028 |
| Seattle, WA | APL REPAIRS LLC | APLRERL747NM | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 17, 2028 |
| Seattle, WA | APOLLONIUS LLC | APOLLL*751N9 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 29, 2027 |
| Deer Park, WA | APPLIED INDUSTRIAL SYSTEMS LLC | APPLIIS776LZ | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 9, 2027 |
| Tualatin, OR | ARROW MECHANICAL CONTR INC | ARROWMC141OC | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 19, 2026 |
| Federal Way, WA | ART HEATING AND COOLING LLC | ARTHEHC755NE | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 5, 2027 |
| Pullman, WA | ARTIZAN ELECTRIC LLC | ARTIZEL746CP | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 17, 2028 |
| Vancouver, WA | ASAN HVAC/R LLC | ASANHHL796CR | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 16, 2027 |
| Kennewick, WA | ASHLEY'S HEATING AND CLNG LLC | ASHLEHC753P8 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 6, 2027 |
| Kent, WA | ATLAS HEATING INC | ATLASHI022CB | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 4, 2028 |
| Marysville, WA | ATMOSPHERIC HEATING INC | ATMOSHI932JO | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 19, 2027 |
| Renton, WA | AURORA EDMONDS FURN CLEAN LLC | AUROREF766OC | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 3, 2028 |
| Tukwila, WA | AURORA HEATING & COOLING LLC | AURORHC754DF | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 6, 2027 |
| Redmond, WA | AUTOMATED BLDG CNTRL SPCS LLC | AUTOMBC984QK | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 10, 2027 |
| Portland, OR | AVIATOR HEATING & COOLING | AVIATHC753MG | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 5, 2027 |
| Sumner, WA | AZ HEATING & AIR LLC | AZHEAHA774BR | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 19, 2027 |
| Grandview, WA | AZTEC HEATING & AC INC | AZTECHA865CD | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 4, 2026 |
| Battle Ground, WA | B & G HEATING & AIR LLC | BGHEAHA769NE | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 6, 2028 |
| Spokane Valley, WA | Bachman & Long Htg & Air LLC | BACHMLH851NU | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 10, 2027 |
| Bainbridge Island, WA | Bainbridge Heating and Air LLC | BAINBHA885DR | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 19, 2028 |
| Lynnwood, WA | BALLARD NATURAL GAS SRVC INC | BALLANG062QD | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 6, 2027 |
| Puyallup, WA | BARTLETT MECHANICAL LLC | BARTLML744LJ | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 11, 2028 |
| Woodinville, WA | BASSETT HOME HEATING INC | BASSEHH044RS | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 11, 2027 |
| Littlerock, WA | BAYSIDE HEATING & AIR LLC | BAYSIHA787PU | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 31, 2026 |
| Lake Stevens, WA | BEAVER HEATING & AIR LLC | BEAVEHA787DN | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 2, 2028 |
| Hayden, ID | BENSON MECHANICAL/CONSLTNG LLC | BENSOML764RJ | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 11, 2026 |
| Tacoma, WA | BEST CHOICE HEATING LLC | BESTCCH862B2 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 9, 2028 |
| Hudson, FL | BGIS INTGRTD TCHNCL SRVCS US L | BGISIIT778KN | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 18, 2027 |
| Kittitas, WA | BID MECHANICAL INC | BIDMEMI861DK | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 12, 2028 |
| Edmonds, WA | BIDARCA LLC | BIDARL*806RZ | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 5, 2027 |
| Sequim, WA | Bill Mair Heating & Air Inc | BILLMMH846MJ | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 11, 2028 |
| Post Falls, ID | BILL'S HEATING & A/C | BILLSHC759NQ | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 18, 2027 |
| Wenatchee, WA | BLACK DIAMOND HTNG & CLNG LLC | BLACKDH740LT | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 13, 2028 |
| Seattle, WA | BLACK LOTUS HVAC LLC | BLACKLH759B9 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 29, 2027 |
| Walla Walla, WA | BLAZE 2 BLIZZARD HTNG/CLNG LLC | BLAZE2B791JB | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 27, 2027 |
| Boise, ID | BLUE SKY CONSULTING SRVCS LLC | BLUESSC850JT | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 4, 2027 |
| Wilsonville, OR | BMF MECHANICAL LLC | BMFMEML740L2 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 22, 2028 |
| Nashville, TN | BONDED FILTER CO LLC | BONDEFC769RK | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 6, 2027 |
| Culdesac, ID | BOSS HEATING & A/C LLC | BOSSHHA928L5 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 11, 2028 |
| Bothell, WA | BOTHELL HEATING & A/C | BOTHEHC750BT | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 30, 2027 |
| Sunnyside, WA | BR REFRIGERATION HTG & AIR LLC | BRREFRH834Q7 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 26, 2028 |
| Ellensburg, WA | BRAD & BURKE HEATING & A/C | BRADBBH82196 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 2, 2027 |
| Post Falls, ID | BREEZE HEATING & AIR LLC | BREEZHA760CZ | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 9, 2028 |
| Tacoma, WA | BUDGET HEATING & AIR COND LLC | BUDGEHA755PA | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 18, 2027 |
| Auburn, WA | BUDGETHVACUS LLC | BUDGEL*882B7 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 29, 2028 |
| Snohomish, WA | C & C OLYMPIC HEATING INC | CCOLYCO974LE | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 3, 2027 |
| Port Orchard, WA | C J'S QUALITY AIR SYSTEMS INC | CJSQUAS072QC | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 17, 2028 |
| Okanogan, WA | C&M PROPANE SERVICE & RPR LLC | CMPROPS784C8 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 30, 2028 |
| Lake Charles, LA | CAJUN A/C & HEATING LLC | CAJUNCH746DD | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 4, 2028 |
| South Hill, WA | CARBON MECHANICAL LLC | CARBOML748M1 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 21, 2028 |
| Lake Stevens, WA | CASCADE ENERGY SERVICES LLC | CASCAES843M6 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 1, 2028 |
| Vashon, WA | CASCADE RADIANT LLC | CASCARL771JD | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 18, 2027 |
| Puyallup, WA | CASE HEATING AND A/C LLC | CASEHHC897LG | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 10, 2027 |
| Cashmere, WA | CASHMERE HEATING & COOLING LLC | CASHMHC814J9 | Heating/vent/air-conditioning and refrig (hvac/r) | May 30, 2027 |
| Wapato, WA | CASTANEDA HTG & AIR CDG LLC | CASTAHA787RF | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 23, 2026 |
| Tacoma, WA | CB COMFORTS SOLUTIONS LLC | CBCOMCS751J1 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 24, 2028 |
| Monroe, WA | CCH MECHANICAL | CCHMEM*741OC | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 3, 2028 |
| Hauser, ID | CDA HEATING & COOLING | CDAHEHC784QA | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 20, 2026 |
| Hayden, ID | CDA REFRIGERATION LLC | CDARERL751MN | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 15, 2027 |
| Vancouver, WA | CENTRAL HEATING & AIR LLC | CENTRHA794C3 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 8, 2027 |
| Wenatchee, WA | CENTRAL WASHINGTON HTG & AIR | CENTRWH742JN | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 15, 2028 |
| Gresham, OR | CENTURY HEATING & A/C INC | CENTUHA016OO | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 12, 2027 |
| Ogden, UT | CFM HEATING & A/C INC | CFMHEHC884N8 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 6, 2028 |
| Everett, WA | CHILL MECHANICAL LLC | CHILLML753Q4 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 18, 2027 |
| Snohomish, WA | CHOICE HOME SERVICES INC | CHOICHS033BU | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 26, 2027 |
| Yelm, WA | CHRISTIANSONS HTG & COOLG | CHRISHC787O6 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 12, 2026 |
| Spokane, WA | CHRONIC CONDITIONING LLC | CHRONCL744LP | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 17, 2028 |
| Auburn, WA | CITY ENERGY SYSTEMS | CITYEES917R9 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 29, 2027 |
| Moses Lake, WA | CLARKS HTG AC & ELECTRICAL LLC | CLARKHA743BN | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 15, 2028 |
| Seatac, WA | CLEAN ZONE HEATING & A/C LLC | CLEANZH832LK | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 27, 2027 |
| Tacoma, WA | CLEAR AIR DUCT CLEANING | CLEANAD756Q4 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 2, 2027 |
| Boise, ID | CLIMA-TECH CORPORATION | CLIMAC*031QP | Heating/vent/air-conditioning and refrig (hvac/r) | May 16, 2027 |
| Custer, WA | CLIMACORE HVAC LLC | CLIMAHL744LZ | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 9, 2028 |
| Federal Way, WA | CLIMATE CNTRL EXPERTS HVAC LLC | CLIMACE811OD | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 4, 2027 |
| Seattle, WA | CLOUD 9 HEATING & AIR LLC | CLOUD9H773CA | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 2, 2027 |
| Melbourne, FL | CMS/NEXTECH | CMSNE**809QF | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 4, 2027 |
| Lynnwood, WA | CNB HEATING & COOLING | CNBHEHC741NE | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 5, 2028 |
| Tulalip, WA | COASTAL MECHANICAL LLC | COASTML746ML | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 13, 2028 |
| Seattle, WA | COFFMAN ENGINEERS INC | COFFMEI866O9 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 9, 2028 |
| Moses Lake, WA | COLUMBIA BASIN HTG AND COOLING | COLUMBH784J8 | Heating/vent/air-conditioning and refrig (hvac/r) | May 20, 2028 |
| Portland, OR | COLUMBIA HEATING & COOLING LLC | COLUMHC754D7 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 27, 2027 |
| Astoria, OR | COLUMBIA HOUSEWARMERS | COLUMH*971MC | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 27, 2027 |
| Brewster, WA | COLUMBIA HTG CLNG RFRG LLC | COLUMHC780DQ | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 18, 2028 |
| Vancouver, WA | Columbia Hydronics Company | COLUMHC887P5 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 25, 2026 |
| Vashon, WA | COLVOS MECHANICAL INC | COLVOMI761QB | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 13, 2027 |
| Olympia, WA | COMFORT AIR SYSTEMS CORP | COMFOAS751PO | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 20, 2027 |
| Vancouver, WA | COMFORT HEATING AND COOLNG INC | COMFOHC844LG | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 16, 2027 |
| Post Falls, ID | COMFORT HEATING COOLING & ELEC | COMFOHC773K3 | Heating/vent/air-conditioning and refrig (hvac/r) | May 25, 2027 |
| Greenacres, WA | COMFORT MECHANICAL CONTRS INC | COMFOMC038KG | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 31, 2028 |
| Seattle, WA | COMFORT TECH HEATING & A/C INC | COMFOTH898CM | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 20, 2027 |
| Gresham, OR | COMFORT TECH HEATING & A/C LLC | COMFOTH785NC | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 29, 2028 |
| Portland, OR | COMFORTPRO HEATING/COOLNG LLC | COMFOHL742JO | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 21, 2028 |
| Tacoma, WA | COMFY AIR LLC | COMFYAL843O8 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 18, 2026 |
| Seattle, WA | COMMERCIAL FILTER SALES & SVC | COMMEFS935B5 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 17, 2027 |
| Portland, OR | COMMERCIAL REFRIGERATION INC | COMMER*245J7 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 3, 2028 |
| Eatonville, WA | COMMERCIAL VENT VAC INC | COMMEVV801P2 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 24, 2028 |
| Coulee City, WA | COMPASS MECHANICAL LLC | COMPAML983NB | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 12, 2028 |
| Everett, WA | CONNECTED HOME SOLUTIONS LLC | CONNEHS814PU | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 1, 2027 |
| Corbett, OR | CONNER'S HEATING & COOLING LLC | CONNEHC793DK | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 16, 2027 |
| Kent, WA | COOL FOX HEATING & AIR | COOLFFH745KK | Heating/vent/air-conditioning and refrig (hvac/r) | May 12, 2028 |
| Manson, WA | COOL RED AIR LLC | COOLRRA805NG | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 7, 2028 |
| Sherwood, OR | COOLTEK LLC | COOLTL*866N1 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 22, 2028 |
| Vaughn, WA | COOPER MECHANICAL LLC | COOPEML873KW | Heating/vent/air-conditioning and refrig (hvac/r) | May 21, 2027 |
| Bothell, WA | CORETEMP MECHANICAL LLC | CORETML743D7 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 27, 2028 |
| Mukilteo, WA | COREY'S HEATING AND AIR LLC | COREYHA852NQ | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 10, 2027 |
| Spokane, WA | CORKINS HTG & AIR CONDITNG LLC | CORKIHA759M9 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 29, 2027 |
| Lynnwood, WA | COZY SOUND | COZYSS*772DH | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 31, 2027 |
| Yakima, WA | CP MECHANICAL LLC | CPMECML878W2 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 13, 2027 |
| Bothell, WA | CUSTOM DESIGN MECHANICAL INC | CUSTODM066QO | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 6, 2028 |
| Olympia, WA | CUSTOM SHEET METAL INC | CUSTOSM921PZ | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 3, 2028 |
| Covington, WA | CYBER HISPANIC LLC | CYBERHL744M7 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 27, 2028 |
| Silverdale, WA | CYCLE AIR | CYCLEA*828R8 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 28, 2026 |
| Tacoma, WA | D & A HEATING LLC | DHEAT*H757NL | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 20, 2027 |
| Spokane, WA | D & M REFRIGERATION INC | DMREFI*049M2 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 24, 2027 |
| Olympia, WA | DAD'S HEATING & AIR LLC | DADSHHA748LH | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 8, 2028 |
| Minneapolis, MN | DAIKIN APPLIED | DAIKIA*861P2 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 5, 2028 |
| Portland, OR | DAMAR HEATING INC | DAMARHI872PU | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 17, 2027 |
| Bremerton, WA | DANA'S HEATING INC | DANASHI000DZ | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 23, 2027 |
| Federal Way, WA | DANIELS HEATING & MORE LLC | DANIEHM777RK | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 8, 2028 |
| Port Angeles, WA | DAVE'S HTG & COOLING SRVC INC | DAVESHC991KC | Heating/vent/air-conditioning and refrig (hvac/r) | May 1, 2027 |
| Selah, WA | DAVE'S HTG AND A/C INC | DAVESHC9058S | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 10, 2026 |
| Sunnyside, WA | DAY 1 HEATING AND COOLING | DAY1H1H765ME | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 15, 2028 |
| Ravensdale, WA | DAYS HEATING & COOLING LLC | DAYSHHC743BO | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 17, 2028 |
| Mount Vernon, WA | DBEST HEATING AND COOLING LLC | DBESTHC741LK | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 12, 2028 |
| Bremerton, WA | DC Heating LLC | DCHEAHL882BD | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 6, 2028 |
| Marysville, WA | DC REFRIGERATION LLC | DCREFRL771JP | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 24, 2027 |
| San Diego, CA | DCAC AIR LLC | DCACAAL752MB | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 14, 2027 |
| Portland, OR | DELUXE HEATING & COOLING | DELUXHC809ND | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 19, 2028 |
| Hood River, OR | DENNIS HARVEY SERVICES INC | DENNIHS824O6 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 30, 2027 |
| Spokane Valley, WA | DEPENDABLE HEATING & COOLING | DEPENHC754LQ | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 18, 2027 |
| Auburn, WA | DIAMOND CONSTRUCTION SRVCS LLC | DIAMOCS956J2 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 25, 2027 |
| Olympia, WA | DIAMONDBACK HVAC LLC | DIAMOHL767P8 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 28, 2026 |
| Snohomish, WA | DICKSON ELECTRIC LLC | DICKSEL740NS | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 10, 2028 |
| Clackamas, OR | DIVINE HEATING & COOLING | DIVINHC763QN | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 15, 2026 |
| Auburn, WA | DKOV CONSTRUCTION SERVICE LLC | DKOVCCS745J4 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 24, 2028 |
| San Dimas, CA | DMS AIR CONDITIONING INC | DMSAIAC787RT | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 15, 2027 |
| Boring, OR | DONBASS HEATING & AIR COND LLC | DONBAHA983C6 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 18, 2028 |
| Pasco, WA | DONE RIGHT MECHANICAL LLC | DONERRM871KS | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 3, 2028 |
| Veradale, WA | Double R Htg & Air Cond LLC | DOUBLRH851DO | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 21, 2027 |
| Lakewood, WA | DOUBLE R HVAC LLC | DOUBLRH754LP | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 17, 2027 |
| Sumner, WA | DR COOL INC | DRCOOI*024QE | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 15, 2028 |
| Oakville, WA | DRAFT AIR MECHANICAL LLC | DRAFTAM825RU | Heating/vent/air-conditioning and refrig (hvac/r) | May 4, 2027 |
| Olympia, WA | DRYER DUCT PLUS LLC | DRYERDP754JG | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 7, 2027 |
| Renton, WA | DRYER VENT SOLUTIONS | DRYERVS901QK | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 6, 2026 |
| Spokane Valley, WA | DUCTVAC NORTHWEST LLC | DUCTVNL934BR | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 28, 2027 |
| City Of Spokane Vall, WA | DUCTVAC NW SPOKANE LLC | DUCTVNS778BQ | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 5, 2027 |
| Ozark, IL | DUCTZ OF GREATER SEATTLE | DUCTZGS772RL | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 24, 2027 |
| Snohomish, WA | DURO HEATING SERVICE | DUROHHS97669 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 4, 2028 |
| Washougal, WA | DYNAMIC QUALITY | DYNAMQ*748ON | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 15, 2028 |
| Stanwood, WA | E A COMFORT SYSTEMS, LLC | ECOMF*C779P3 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 23, 2027 |
| Hermiston, OR | Eastern OR Heating & A/C LLC | EASTRHA898CN | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 27, 2027 |
| Bellevue, WA | EASTSIDE HEATING & COOLING LLC | EASTSHC746OC | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 3, 2028 |
| Yakima, WA | EATON'S REFRIGERATION | EATONR*066MA | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 26, 2028 |
| Snohomish, WA | ECO-TECH MECHANICAL LLC | ECOTEML899B1 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 21, 2027 |
| Tracyton, WA | ECONOMY AIR SYSTEMS INC | ECONOAS936L5 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 1, 2027 |
| Yelm, WA | ED'S HEATING & COOLING LLC | EDSHEHC780N9 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 23, 2028 |
| Vancouver, WA | EJ'S IDEAL HEATING/COOLING CRP | EJSIDIH753LK | Heating/vent/air-conditioning and refrig (hvac/r) | May 27, 2027 |
| Fall City, WA | ELECTRICAL ENERGY SYSTEMS LLC | ELECTES7569A | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 1, 2027 |
| Spokane Valley, WA | ELEMENT AIR LLC | ELEMEAL797B7 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 27, 2027 |
| Seattle, WA | ELITE HVAC & REFRIGERATION LLC | ELITEHR741K2 | Heating/vent/air-conditioning and refrig (hvac/r) | May 22, 2028 |
| Wenatchee, WA | ELITE OF WENATCHEE LLC | ELITEWL796QS | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 29, 2027 |
| Wenatchee, WA | EMAR HEATING & A/C LLC | EMARHHC7572A | Heating/vent/air-conditioning and refrig (hvac/r) | May 1, 2027 |
| Mountlake Ter, WA | ENDEAVOR HEATING & COOLING LLC | ENDEAHC755B4 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 24, 2027 |
| Seattle, WA | ENERGY EFFICIENT SYSTEM LLC | ENERGES843Q9 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 5, 2027 |
| Portland, OR | ENERGY SYSTEMS N W INC | ENERGSN131PN | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 8, 2028 |
| Seattle, WA | ENERGY TECHNOLOGIES LLC | ENERGTL916K1 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 7, 2027 |
| Longview, WA | Entek LLC | ENTEKL*766T1 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 21, 2028 |
| Seattle, WA | ENTERO SYSTEM SERVICES INC | ENTERSS892MH | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 23, 2028 |
| Lynnwood, WA | EPIC AIR HEATING & COOLING LLC | EPICAAH788J6 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 8, 2028 |
| Auburn, WA | Erickson Refrigeration LLC | ERICKRL922QE | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 21, 2028 |
| Battle Ground, WA | EURO COMFORT LLC | EUROCCL781RB | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 2, 2026 |
| Lynnwood, WA | Even Flo Heating and A/C | EVENFFH895L9 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 29, 2027 |
| Shoreline, WA | EVERCOOL SERVICE LLC | EVERCSL742MN | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 24, 2028 |
| Raymond, WA | EVERS ELECTRIC LLC | EVERSEL741KH | Heating/vent/air-conditioning and refrig (hvac/r) | May 13, 2028 |
| Battle Ground, WA | EXCEL HEATING & COOLING LLC | EXCELHC761P3 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 23, 2028 |
| Kennewick, WA | EXPRESS HEATING & COOLING LLC | EXPREHC810CM | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 21, 2027 |
| Marysville, WA | F & S HOME COMFORT SOLUTIONS | FSHOMHC742OS | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 14, 2028 |
| Pasco, WA | Falcon Electric | FALCOE*845DG | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 7, 2028 |
| Sumner, WA | FARRINGTON AIR QLTY SERVCS LLC | FARRIAQ793BK | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 1, 2027 |
| Yakima, WA | FARWEST CLIMATE CONTROL INC | FARWECC991BB | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 8, 2027 |
| Poulsbo, WA | FEC ELECTRIC LLC | FECELEL764R6 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 26, 2026 |
| Anacortes, WA | FILTHY FURNACE LLC | FILTHFL752O4 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 24, 2027 |
| Tukwila, WA | FIRST CALL HEAT & COOL OR LLC | FIRSTCH780DA | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 21, 2028 |
| Winthrop, WA | FISHER REFRIGERATION | FISHER*87093 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 1, 2028 |
| Veradale, WA | FLAMEWORKS INC | FLAMEI*930CL | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 9, 2027 |
| Athol, ID | FORCED AIR HEATING & AC LLC | FORCEAH816C8 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 11, 2027 |
| Moscow, ID | FORK REFRIGERATION INC | FORKR**191C0 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 6, 2027 |
| Vancouver, WA | FOUR SEASONS HVAC LLC | FOURSSH815C2 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 27, 2027 |
| Salem, OR | FREEDOM HEATING & AIR LLC | FREEDHA746BN | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 15, 2028 |
| Edgewood, WA | FROST HEATING & COOLING LLC | FROSTHC792NF | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 7, 2027 |
| Eltopia, WA | FROSTBITE HEATING & COOL LLC | FROSTHC757OB | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 8, 2027 |
| Auburn, WA | FROSTFLAME LLC | FROSTL*758RB | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 2, 2027 |
| Portland, OR | FRYE HVAC LLC | FRYEHHL812J3 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 14, 2027 |
| Gresham, OR | FTM HEATING & COOLING LLC | FTMHEHC742NG | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 7, 2028 |
| Issaquah, WA | FURNACE AID LLC | FURNAAL867L3 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 28, 2028 |
| Renton, WA | FURNACE DOCTORS INC | FURNADI931QL | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 13, 2027 |
| Moses Lake, WA | FURNACE STORE INC | FURNASI931NL | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 27, 2027 |
| Lynden, WA | G H S CORPORATION | GHSCOHS834MG | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 29, 2027 |
| Portland, OR | GABE'S HEATING & COOLING LLC | GABESHC852K7 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 2, 2027 |
| Mount Vernon, WA | GARCIA HTNG & AIR CNDTIONG LLC | GARCIHA741MU | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 31, 2028 |
| Bothell, WA | GASKET GUY NORTHWEST LLC | GASKEGN836K4 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 15, 2027 |
| Woodinville, WA | GASLINE MECHANICAL INC | GASLIMI758C4 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 24, 2027 |
Alphabetical order — this site ranks no one. Active company registrations in the L&I contractor files of October 2, 2026. Contractors registered as individuals are not on this site. How to read this.