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NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

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Heating and air conditioning in Washington

1,430 heating and air conditioning listed in Washington, each checked against the issuer's record. In the published order.

  1. Acco Engineered Systems Inc

    ActiveConstruction contractor, general

    Pasadena, CA

    CallAsk it
    Proof for Acco Engineered Systems Inc
    License
    L&I ACCOESI971DU
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, general
    Expires
    Oct 17, 2027
    Checked
    Oct 27, 2026
    Where
    Pasadena, CA · serves Washington
    Phone
    (818) 244-6571
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  2. Am Mechanical LLC

    ActiveConstruction contractor, boiler/steam fit/proc piping

    Downers Grove, IL

    CallAsk it
    Proof for Am Mechanical LLC
    License
    L&I AMMECML763L9
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, boiler/steam fit/proc piping
    Expires
    Oct 1, 2028
    Checked
    Oct 27, 2026
    Where
    Downers Grove, IL · serves Washington
    Phone
    (331) 251-2700
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  3. C & L Refrigeration Corp

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Fullerton, CA

    CallAsk it
    Proof for C & L Refrigeration Corp
    License
    L&I CLREFLR895NT
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    Oct 5, 2028
    Checked
    Oct 27, 2026
    Where
    Fullerton, CA · serves Washington
    Phone
    (800) 901-4822
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  4. California Boiler Inc

    ActiveConstruction contractor, boiler/steam fit/proc piping

    Santa Ana, CA

    CallAsk it
    Proof for California Boiler Inc
    License
    L&I CALIFBI788J9
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, boiler/steam fit/proc piping
    Expires
    Apr 24, 2028
    Checked
    Oct 27, 2026
    Where
    Santa Ana, CA · serves Washington
    Phone
    (714) 891-0701
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  5. Cms/Nextech

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Melbourne, FL

    CallAsk it
    Proof for Cms/Nextech
    License
    L&I CMSNE**809QF
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    Mar 4, 2027
    Checked
    Oct 27, 2026
    Where
    Melbourne, FL · serves Washington
    Phone
    (321) 473-0435
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  6. Miller Mechanical Services Inc

    ActiveConstruction contractor, boiler/steam fit/proc piping

    Glens Falls, NY

    CallAsk it
    Proof for Miller Mechanical Services Inc
    License
    L&I MILLEMS110NM
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, boiler/steam fit/proc piping
    Expires
    Feb 17, 2027
    Checked
    Oct 27, 2026
    Where
    Glens Falls, NY · serves Washington
    Phone
    (518) 792-0430
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  7. Retail Mechanical Services Inc

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Bohemia, NY

    CallAsk it
    Proof for Retail Mechanical Services Inc
    License
    L&I RETAIMS818BD
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    Mar 21, 2027
    Checked
    Oct 27, 2026
    Where
    Bohemia, NY · serves Washington
    Phone
    (631) 297-9292
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  8. Southland Mechanical Inc

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Rancho Cucamonga, CA

    CallAsk it
    Proof for Southland Mechanical Inc
    License
    L&I SOUTHMI758CL
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    Feb 13, 2027
    Checked
    Oct 27, 2026
    Where
    Rancho Cucamonga, CA · serves Washington
    Phone
    (909) 223-4546
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  9. Talent Air Inc

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Cypress, CA

    CallAsk it
    Proof for Talent Air Inc
    License
    L&I TALENAI745OA
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    Sep 1, 2028
    Checked
    Oct 27, 2026
    Where
    Cypress, CA · serves Washington
    Phone
    (714) 484-9600
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  10. 1St Air Mechanical Inc

    ActiveConstruction contractor, general

    Mead, WA

    CallAsk it
    Proof for 1St Air Mechanical Inc
    License
    L&I 1STAIAM950J2
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, general
    Expires
    Apr 28, 2027
    Checked
    Oct 27, 2026
    Where
    Mead, WA · serves Washington
    Phone
    (509) 468-1964
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  11. 253 Hvacr Techs

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Lakewood, WA

    CallAsk it
    Proof for 253 Hvacr Techs
    License
    L&I 253HVHT746OA
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    Sep 1, 2028
    Checked
    Oct 27, 2026
    Where
    Lakewood, WA · serves Washington
    Phone
    (206) 482-4644
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  12. 3 Cities Refrigeration LLC

    ActiveConstruction contractor, general

    Kennewick, WA

    CallAsk it
    Proof for 3 Cities Refrigeration LLC
    License
    L&I 3CITICR816DO
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, general
    Expires
    Mar 20, 2027
    Checked
    Oct 27, 2026
    Where
    Kennewick, WA · serves Washington
    Phone
    (509) 581-5008
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  13. 360 HVAC LLC

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Kirkland, WA

    CallAsk it
    Proof for 360 HVAC LLC
    License
    L&I 360HVHL748JP
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    Jul 17, 2028
    Checked
    Oct 27, 2026
    Where
    Kirkland, WA · serves Washington
    Phone
    (425) 918-0312
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  14. 4Winds

    ActiveConstruction contractor, general

    Easton, WA

    CallAsk it
    Proof for 4Winds
    License
    L&I 4WIND**824NZ
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, general
    Expires
    Aug 20, 2028
    Checked
    Oct 27, 2026
    Where
    Easton, WA · serves Washington
    Phone
    (425) 890-9399
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  15. 509 Mechanical LLC

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Moxee, WA

    CallAsk it
    Proof for 509 Mechanical LLC
    License
    L&I 509MEML791KP
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    May 18, 2027
    Checked
    Oct 27, 2026
    Where
    Moxee, WA · serves Washington
    Phone
    (509) 910-7160
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  16. 509Energy

    ActiveConstruction contractor, general

    Liberty Lake, WA

    CallAsk it
    Proof for 509Energy
    License
    L&I 509EN**766CW
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, general
    Expires
    Feb 16, 2028
    Checked
    Oct 27, 2026
    Where
    Liberty Lake, WA · serves Washington
    Phone
    (509) 954-7770
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  17. 777 HVAC LLC

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Vancouver, WA

    CallAsk it
    Proof for 777 HVAC LLC
    License
    L&I 777HVHL785K7
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    May 27, 2028
    Checked
    Oct 27, 2026
    Where
    Vancouver, WA · serves Washington
    Phone
    (360) 903-3590
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  18. 7Bluesky Heating & Air LLP

    ActiveConstruction contractor, heating/vent/air-conditioning and refrig (hvac/r)

    Pasco, WA

    CallAsk it
    Proof for 7Bluesky Heating & Air LLP
    License
    L&I 7BLUEHA766BP
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, heating/vent/air-conditioning and refrig (hvac/r)
    Expires
    Feb 5, 2028
    Checked
    Oct 27, 2026
    Where
    Pasco, WA · serves Washington
    Phone
    (360) 830-7963
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  19. A-1 Team Inc

    ActiveConstruction contractor, general

    Deer Park, WA

    CallAsk it
    Proof for A-1 Team Inc
    License
    L&I 1TEAMTI788KP
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, general
    Expires
    May 9, 2028
    Checked
    Oct 27, 2026
    Where
    Deer Park, WA · serves Washington
    Phone
    (509) 276-9955
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

  20. A & a Drilling Service Inc

    ActiveConstruction contractor, boiler/steam fit/proc piping

    Portland, OR

    CallAsk it
    Proof for A & a Drilling Service Inc
    License
    L&I AADRISI077QB
    Issuer
    Washington State L&I
    Status
    Active
    Class
    Construction contractor, boiler/steam fit/proc piping
    Expires
    May 13, 2028
    Checked
    Oct 27, 2026
    Where
    Portland, OR · serves Washington
    Phone
    (503) 659-8583
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → Washington State L&I record

Cities

Vancouver 73Spokane 67Seattle 65Tacoma 44Yakima 35Kent 23Puyallup 23Spokane Valley 23Lynnwood 21Auburn 20Battle Ground 18Everett 18Bothell 17Kennewick 17Marysville 17Renton 17Snohomish 17Wenatchee 17Redmond 16Bellingham 15Olympia 14Federal Way 13Moses Lake 13Pasco 13

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Checked facts from public license files · How ranking works