wa-contractor-license-records

Boiler/steam fit/proc piping contractors

49 active registrations, specialty “Boiler/steam fit/proc piping” as L&I records it.

PlaceContractorLicenseSpecialtyExpires
Portland, ORA & A DRILLING SERVICE INCAADRISI077QBBoiler/steam fit/proc pipingMay 13, 2028
Vancouver, WAA1 LEAK REPAIR LLCA1LEALR811B5Boiler/steam fit/proc pipingMar 25, 2028
Lynnwood, WAAIRWARE INCAIRWAI*960R7Boiler/steam fit/proc pipingMar 3, 2027
Downers Grove, ILAM MECHANICAL LLCAMMECML763L9Boiler/steam fit/proc pipingOct 1, 2028
Houston, TXASSOCIATED PIPE LINE CONTR INCASSOCPL090P1Boiler/steam fit/proc pipingSep 14, 2028
Santa Ana, CACALIFORNIA BOILER INCCALIFBI788J9Boiler/steam fit/proc pipingApr 24, 2028
Mukilteo, WACASCADE BOILER SERVICES INCCASCABS147JTBoiler/steam fit/proc pipingDec 10, 2027
Portland, ORCASEBEER HYDRONICS LLCCASEBHL825CHBoiler/steam fit/proc pipingFeb 12, 2028
North Lakewood, WACENTRAL WELDING SUPPLY COMPANYCENTRWS753M4Boiler/steam fit/proc pipingAug 4, 2027
Pasadena, TXCOLT SERVICES LLCCOLTSSL752NRBoiler/steam fit/proc pipingJul 30, 2027
Tulsa, OKCONSTRUCTION & TRNARND SRV LLCCONSTTS023OCBoiler/steam fit/proc pipingMar 8, 2028
Savannah, GACONTINENTAL FIELD SYSTEMS INCCONTIFS873KSBoiler/steam fit/proc pipingJul 28, 2027
Ocoee, FLCORTEZ INCORPORATEDCORTEI*905J6Boiler/steam fit/proc pipingJul 30, 2028
Arlington, WACUSTOM FLOOR HEATING LLCCUSTOFH962QPBoiler/steam fit/proc pipingJul 21, 2027
Spokane Valley, WADYNAMIC REFRACTORY LLCDYNAMRL776NJBoiler/steam fit/proc pipingAug 11, 2027
Seattle, WAEXCEL PACIFIC MECH INSUL INCEXCELPM989CEBoiler/steam fit/proc pipingMar 13, 2028
Kirkland, WAFIREPLACE SUPPLY INCFIREPSI088LABoiler/steam fit/proc pipingDec 12, 2027
Mcminnville, ORGORMLEY PLUMBING & HEATINGGORMLPH088MGBoiler/steam fit/proc pipingJan 8, 2027
Denville, NJGROOME INDUST SERV GROUP LLCGROOMIS808DRBoiler/steam fit/proc pipingApr 15, 2028
Omaha, NEHELGET GAS PRODUCTS INCHELGEGP876COBoiler/steam fit/proc pipingAug 17, 2027
Tulsa, OKINTEGRATED SERVICE COMPANY LLCINTEGSC861MPBoiler/steam fit/proc pipingJul 17, 2028
Duluth, MNJAMAR COMPANY, THEJAMARC*973N1Boiler/steam fit/proc pipingJan 14, 2027
Mukilteo, WAJANES COMPANY INC, THEJANESCI079D2Boiler/steam fit/proc pipingDec 15, 2027
Graham, WAKITSAP GAS PIPINGKITSAGP753LPBoiler/steam fit/proc pipingJun 17, 2027
Enumclaw, WAMAYS GAS PIPING LLCMAYSGGP742O5Boiler/steam fit/proc pipingSep 25, 2028
Lexington, KYMEN OF STEEL INCMENSTSI771L2Boiler/steam fit/proc pipingAug 22, 2027
Glens Falls, NYMILLER MECHANICAL SERVICES INCMILLEMS110NMBoiler/steam fit/proc pipingFeb 17, 2027
Trenton, GANATIONAL BOILER SERVICE LLCNATIOBS761RPBoiler/steam fit/proc pipingDec 16, 2026
Monroe, WANORTH SOUND BOILERS & RDNT LLCNORTHSB798CWBoiler/steam fit/proc pipingMar 7, 2027
Port Orchard, WANorthwest Infloor LLCNORTHIL841L1Boiler/steam fit/proc pipingJun 21, 2028
Stuart, FLNUCO2 SUPPLY LLCNUCO2SL924N7Boiler/steam fit/proc pipingMar 31, 2028
Marysville, CAOnline Cleaning Services LLCONLINCS874DKBoiler/steam fit/proc pipingJun 10, 2028
Scio, OROTTO PIPE CONSTRUCTION LLCOTTOPPC742KDBoiler/steam fit/proc pipingMay 5, 2028
Amarillo, TXPLAINS PLUMBING CO LLCPLAINPC760DQBoiler/steam fit/proc pipingJul 22, 2028
Aberdeen, WAPRECISION PIPE FABRICATORS INCPRECIPF148CCBoiler/steam fit/proc pipingMay 27, 2027
Tacoma, WAPRO SALES INCPROSAI*151C8Boiler/steam fit/proc pipingJul 23, 2027
Vancouver, WAPROCESS PIPING FABRICATION LLCPROCEPF817PBBoiler/steam fit/proc pipingOct 13, 2027
Tacoma, WAPUGET SOUND GAS PIPING INCPUGETSG956MABoiler/steam fit/proc pipingNov 6, 2027
Bothell, WARADIANT TECH INCRADIATI778LABoiler/steam fit/proc pipingApr 8, 2028
Gladstone, ORRAINBOW HEATING CO LLCRAINBHC766MKBoiler/steam fit/proc pipingJul 15, 2028
Kent, WARPN GAS LLCRPNGAGL853KNBoiler/steam fit/proc pipingSep 23, 2027
Seattle, WASTREAMLINE NATURAL GAS SVS INCSTREANG960PMBoiler/steam fit/proc pipingOct 15, 2027
Sugar Land, TXTEAM INDUSTRIAL SERVICES INCTEAMIIS945M7Boiler/steam fit/proc pipingAug 19, 2028
West Hazleton, PATHE MERRICK GROUP INCMERRIMG778PUBoiler/steam fit/proc pipingJun 20, 2027
Lynnwood, WATORREROS HOODS CLNG SRV LLCTORREHC744JCBoiler/steam fit/proc pipingApr 1, 2028
Port Orchard, WAUNICORN HEATING & ELECT PLLCUNICOHE740OABoiler/steam fit/proc pipingSep 3, 2028
Wilmington, DEUNITED GROUP SERVICES INCUNITEGS876L5Boiler/steam fit/proc pipingApr 10, 2028
Lynden, WAVANDERYACHT PROPANE INCVANDEPI055NDBoiler/steam fit/proc pipingJun 22, 2027
Pasco, WAX-DOT LLCXDOTLL*777M5Boiler/steam fit/proc pipingJul 25, 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.