HVAC contractors in Washington
868 active hvac contractors are registered with Washington L&I. 1,598 registrations are on record in all, including expired and other statuses.
190 of the active hvac contractors registered in Washington are based in other states.
All 1,598 registrations on record
Businesses by registered name and license number. Show only the 868 active registrations.
- STONE COLD ALASKA REFRG LLCEXPIRED
Stanwood, WA · License STONECA862P8 · First registered 2014
Bremerton, WA · License SULLIHC063QT · First registered 1994
Monroe, WA · License SUMMIHS107MW · First registered 1990
- SUMMIT HVACEXPIRED
Spanaway, WA · License SUMMIH*833DG · First registered 2017
- SUNNY ELECTRIC & RFRGRTION LLCOUT OF BUSINESS
Auburn, WA · License SUNNYER834CB · First registered 2017
Portland, OR · License SUNNYHC777JP · First registered 2023
- SUPERIOR AIR SERVICES LLCOUT OF BUSINESS
Marysville, WA · License SUPERAS954OD · First registered 2005
- SUPERIOR HEATINGEXPIRED
Federal Way, WA · License SUPERH*077QK · First registered 1993
- SUPERIOR HTG & A/C LLCEXPIRED
Spokane, WA · License SUPERHC789CG · First registered 2022
- SWARTHOUT'S NATURAL GAS SRVCEXPIRED
Puyallup, WA · License SWARTNG055CZ · First registered 1995
- SWAT ENVIRONMENTALEXPIRED
Milwaukee, WI · License SWATEE*857LE · First registered 2015
- SYSTEM AIRE INCEXPIRED
Issaquah, WA · License SYSTEAI055DM · First registered 1995
- SYSTEMS DESIGNEXPIRED
Kingston, ID · License SYSTED*827J6 · First registered 2018
- Schadler Industrial LLCEXPIRED
Kutztown, PA · License SCHADIL871RE · First registered 2013
- Snohomish Heating & AC IncEXPIRED
Granite Falls, WA · License SNOHOHA895L3 · First registered 2011
- Spokane Fireplace & Home IncEXPIRED
Spokane, WA · License SPOKAFH850LD · First registered 2015
- Supermen Heating & AC & IAQEXPIRED
Castle Rock, WA · License SUPERHA830D7 · First registered 2017
- TACOMA HVAC LLCEXPIRED
Tacoma, WA · License TACOMHL863BT · First registered 2014
- TCB STEAM CLEANING INCEXPIRED
Auburn, WA · License TCBSTSC891QM · First registered 2011
- TECH MECHANICAL LLCEXPIRED
Spokane Valley, WA · License TECHMML834QT · First registered 2017
- TEKNOTHERM INCRE-LICENSED
Seattle, WA · License TEKNOI*851CL · First registered 2015
- TEMP RIGHT SERVICE INCEXPIRED
Missoula, MT · License TEMPRRS839MC · First registered 2017
- TEMPRIGHT MECHANICAL CORPEXPIRED
Snohomish, WA · License TEMPRMC044NB · First registered 1996
- THE BOILER GUYS LLCSUSPENDED
Graham, WA · License BOILEBG759ND · First registered 2025
- THEFIREPLACEGURUS LLCEXPIRED
Bothell, WA · License THEFIL*770OO · First registered 2023
Yakima, WA · License THEISHA077QE · First registered 1993
- THERMAL HEATING & COOLING LLCSUSPENDED
Clatskanie, OR · License THERMHC753ON · First registered 2025
- THERMAL HVAC LLCEXPIRED
Battle Ground, WA · License THERMHL801DJ · First registered 2020
- THERMAL SOLUTIONSEXPIRED
Renton, WA · License THERMS*790P2 · First registered 2021
- THERMO PRO SERVICE LLCEXPIRED
Gladstone, OR · License THERMPS763C1 · First registered 2024
- THOMAS MECHANICAL LLCEXPIRED
Arlington, WA · License THOMAML855OP · First registered 2015
- THR MECHANICALEXPIRED
Vader, WA · License THRMEM*770KA · First registered 2023
- TIERNEY MECHANICAL LLCEXPIRED
Spokane, WA · License TIERNML805B1 · First registered 2020
- TIPPMANN ENGINEERING LLCEXPIRED
Fort Wayne, IN · License TIPPMEL841N2 · First registered 2016
- TOM STEVENS BOILER REPAIR INCRE-LICENSED
Clackamas, OR · License TOMSTBR052JG · First registered 1995
- TOP COMFORT HEATING AC LLCEXPIRED
Everett, WA · License TOPCOCH798JE · First registered 2021
- TOTAL FACILITY SOLUTIONS INCEXPIRED
Plano, TX · License TOTALFS791ON · First registered 2021
- TOTAL SYSTEM SERVICES INCEXPIRED
Boise, ID · License TOTALSS922L6 · First registered 2008
Hayden, ID · License TRADEHC788MM · First registered 2022
- TRADEWINDS HEATING & COOLINGRE-LICENSED
Kennewick, WA · License TRADEHC775Q2 · First registered 2023
- TRADEWORKS NW, INC.EXPIRED
Snohomish, WA · License TRADENI764M9 · First registered 2024
Kent, WA · License TRANSWT872KB · First registered 2013
- TREND MECHANICAL LLCEXPIRED
Gresham, OR · License TRENDML780C5 · First registered 2022
- TRI TOOL POWER SERVICES INCOUT OF BUSINESS
Rancho Cordova, CA · License TRITOTP801QP · First registered 2020
- TRU MECHANICAL INCOUT OF BUSINESS
Kirkland, WA · License TRUMEMI841KC · First registered 2016
- TRUE MECHANICAL LLCEXPIRED
Amboy, WA · License TRUEMML808BW · First registered 2020
- TRUETEMP NORTHWEST INCEXPIRED
Sumner, WA · License TRUETNI077KK · First registered 1993
- TWIN COUNTY MECHANICALEXPIRED
Chehalis, WA · License TWINCCM968LZ · First registered 2004
- TWIN RIVERS HTG &COOLING LLCEXPIRED
Umatilla, OR · License TWINRRH768JJ · First registered 2024
- TYGR INDUSTRIES LLCEXPIRED
Kanab, UT · License TYGRIIL835L7 · First registered 2017