HVAC contractors in Seattle, WA
36 active hvac contractors are registered with Washington L&I at a Seattle, WA address. 62 registrations are on record in all, including expired and other statuses.
All 62 registrations on record
Businesses by registered name and license number. Show only the 36 active registrations.
- MJ'S HEATING & AIR COND LLCEXPIRED
License MJSHEHA809RC · First registered 2021
- N P M PLUMBING & MECH INCEXPIRED
License NPMPLM*033RZ · First registered 1997
- NEUDORFER ENGINEERS INCRE-LICENSED
License NEUDOEI164PD · First registered 1984
- NW COMMERCIAL SERVICES LLCEXPIRED
License NWCOMCS829NC · First registered 2018
- ONPOINT HVAC&R LLCSUSPENDED
License ONPOIHL758BW · First registered 2025
- REED WRIGHT HTG & ELEC COOUT OF BUSINESS
License REEDWHE161R4 · First registered 1984
- REFRIGERATION DOCSUSPENDED
License REFRID*752CJ · First registered 2025
- TEKNOTHERM INCRE-LICENSED
License TEKNOI*851CL · First registered 2015
- WASHINGTON HEATING AND A/CEXPIRED
License WASHIHC806P6 · First registered 2020
- WASHINGTON MECHANICAL LLCEXPIRED
License WASHIML806Q3 · First registered 2020
- WASHINGTON STATE SHEETMETALRE-LICENSED
License WASHISS855QQ · First registered 2015
- WEST SEATTLE HEATING & AIREXPIRED
License WESTSSH880CN · First registered 2012