Contractors

We are proud of the local professionals who make our organization great. If you're looking for support on your next project, you've come to the right place.
Contractor Forms  Icon: External link

Concrete Cutting+

CompanyCityPhone
Arbor Heights Concrete Core Drilling, LLCSeattle(206) 909-8266
Cascade Sawing & Drilling IncKent(253) 872-7578
Moore Scanning and Coring LLCPuyallup253-780-7033
Penhall CompanySeattle(206) 763-9200
SCANR.ioBellevue(425) 533-8488
Seattle Concrete Core Drilling, Inc.Covington(425) 271-5124
Shoreline Concrete Sawing & Drilling, LLCShoreline(206) 417-0533

Detailing+

CompanyCityPhone
ICON-BIM LLCAUBURN(253) 861-3385

Firestop Specialists+

CompanyCityPhone
D & G Mechanical Insulation, Inc.Sumner(253) 863-3100
Hudson Bay InsulationSeattle(206) 763-9484
Performance Contracting, Inc.(PCI)Seattle(206) 623-8750
SFS, IncVancouver(360) 882-3068

Gas Distribution+

CompanyCityPhone
Hanging HBurlington360-726-2334
Huntco Directional Drilling, LLCKent
Infrasource Services, LLCSumner(206) 418-4270
Michels Pipeline ConstructionBrownsville(920) 583-3132
Michels Pipeline Utility Services
NW Utility ServicesPacific(253) 891-7802

Mechanical+

CompanyCityPhone
Above Plumbing and Contracting LLC
Adept Mechanical Services Inc.Kent(253) 850-8518
Allstar Mechanical Vancouver(604) 689-8778
American Mechanical CorporationMonroe(206) 467-6407
Apollo Sheet Metal IncKennewick(509) 586-1104
Applied Process Cooling CorporationSalem(503) 689-1200
Auburn Mechanical IncAuburn(253) 838-9780
Bering Industrial Contractors, IncEdmonds(425) 774-1000
Betschart MechanicalPuyallup(253) 848-1854
Bim Designs Inc.Northridge(415) 963-9693
Blythe Plumbing & Heating, Inc.Bellingham 360.389.5500
BMWC Constructors IncKent(253) 251-9091
Bratonia Mechanical LLCPoulsbo(206) 451-4527
Covington Plumbing Inc.Bellevue(425) 223-5802
D A MacySeattle(206) 930-9113
Diamond B ConstructorsBellingham(360) 734-3600
Dm Kelly Mechanical IncEnumclaw(360) 802-3758
Eagle Harbor Associates, LLCPoulsbo(360) 779-8201
EnviromechBurien(206) 762-1960
Flatiron West Inc.Bellevue425-420-9900
General Construction CompanyFederal Way(253) 943-4200
General Mechanical, Inc.Tacoma(253) 627-8155
GS Mechanical, LLCRedmond(206) 372-0332
Harder Mechanical ContractorsPortland(503) 281-1112
Haskell CorporationBellingham(360) 734-1200
Hawk Mechanical Contractors, Inc.Monroe(360) 794-8783
Hermanson Co., LLPKent(206) 575-9700
Holaday Parks, IncSeattle(206) 248-9700
Holmberg MechanicalBellevue(425) 822-2233
JH Kelly IncLongview(360) 423-5510
JP Francis & Associates IncKent(253) 872-8950
JTS Plumbing And Mechanical INC.Auburn(253) 508-9449
MacDonald-Miller Facility SolutionsSeattle206-763-9400
Mackin & Little, Inc.Spokane(509) 838-2529
Madden MechanicalBuckley(253) 826-5797
Maple Valley Plumbing & Pipeworks IncRavensdale(425) 432-7599
McClintock & Turk IncSpokane(509) 535-7641
Mckinstry Company, Inc.Seattle(206) 762-3311
Nutech (A Division of NCM Contracting Group, LP)Preston(800) 442-2072
Ocean Park Mechanical IncSurrey(604) 536-2363
Pease Piping IncTacoma(253) 539-0467
Penhall CompanyTukwila(206) 763-9200
Pinchiff Mechanical LLCSeattle206-767-1111
Platinum IndustrialLa Center(360) 852-3237
Precision Pipe FabricatorsAberdeen(360) 532-4422
PSF Mechanical, Inc.Kent(206) 764-9663
Redline MechanicalBlack Diamond 360-886-5072
Shinn Mechanical IncKent(425) 203-9800
SJS Mechanical Services, LLCSeattle(206) 763-0334
State Mechanical CompanyKent(206) 575-7527
Stirrett-Johnsen IncSilverdale(360) 692-6128
Swisslog/TranslogicDenver(303) 373-7837
Temp Control Mechanical, Inc. dba TCMPortland(503) 285-9851
Triple C Fabricators LLCShelton(360) 490-8473
Unico Properties, LLCSeattle(206) 628-5073
Union Square Tenant ServicesSeattle(206) 613-5351
University Mechanical Contractors, Inc.(UMC)Mukilteo(206) 364-9900
Veca Electric Co, Inc.Seattle(206) 436-5200
Vet First ConstructorsKent206-507-3453
Vital Mechanical Service, IncRenton(253) 630-6933
Williams Mechanical IncEverett(425) 303-0828
Wilson Plumbing & Heating, Inc.Tacoma(253) 531-4952
Zuiderweg Construction, LLCArlington360-435-5929

Pipeline / Mainline+

CompanyCityPhone
Barnard Pipeline, IncBozeman(406) 586-1995
Brothers Pipeline Corp.Toledo(360) 864-8780
Hanging HBurlington360-726-2334
Infrasource Construction LLCKansas City
Loy Clark PipelineTualatin(503) 644-2137
Michels Pipeline ConstructionBrownsville(920) 583-3132
Rockford CorporationHillsboro(503) 647-0224
Snelson Companies IncSedro Wooley(360) 856-6511

Projects only+

CompanyCityPhone
Acme Industrial Piping, IncChatanooga(423) 867-1001
Advanced Pneumatic Tubes, Inc.Corono(951) 735-4540
Encicon (A Division of Alstom Power Inc.)Denver(303) 223-4314
Henry F Teichmann, Inc.Canonsburg(724) 941-9550
Pipe Construction Inc.Ravensdale(425) 413-7473
S&E Pipeline Construction CompanySanta Fe Springs(562) 868-9771
Viking Industrial Inc.Chattanooga(706) 866-4016

Public Sector+

CompanyCityPhone
City of SeattleSeattle
Highline Water DistrictKent(206) 824-0375
King County FacilitiesSeattle(206) 296-0648
King County Health DepartmentSeattle
King County Housing AuthoritySeattle(206) 574-1119
Port of SeattleSeattle(206) 728-3351
Puget Sound Energy (PSE)Bellevue(206) 622-6767
Seattle Center OperationsSeattle
Seattle Center Operations MgmtSeattle
Seattle City LightSeattle
Seattle Concrete Core Drilling IncCovington(425) 271-5124
Seattle Facility ServicesSeattle(206) 684-8356
Seattle Housing AuthoritySeattle(206) 615-3384
Seattle Parks & RecreationSeattle
Seattle Public Utilities (SPU)Seattle
Washington State Specialty Compliance Ser. DivOlympia
Water District #49Burien(206) 242-8535

Refrigeration / HVAC+

CompanyCityPhone
Air Conditioning Company Inc (ACCO)Pasadena(253) 854-8444
Applied Process Cooling CorporationSalem(503) 689-1200
Auburn Mechanical IncAuburn(253) 838-9780
Carrier CorporationTukwila(206) 439-0097
Central Washington Refrigeration, LLCYakima(509) 248-4600
Climate ProsSumner(253) 826-9640
D/B Solutions, LLCLynnwood(425) 744-6300
DaikinPLYMOUTH(763) 553-5330
Doubl-KoldYakima(509) 248-9588
EnviromechBurien(206) 762-1960
Erickson Refrigeration LLC(206) 789-4722
Hagen Industrial RefrigerationKent(206) 225-8757
Hermanson Co., LLPKent(206) 575-9700
Holaday Parks, IncSeattle(206) 248-9700
Honeywell, Inc.Golden Valley(763) 954-5323
Hoover Commercial Refrigeration, Inc.Mount Vernon(360) 445-2019
Integrated Systems Controls LLCWoodinville(206) 274-1625
Johnson Controls IncBothel(888) 524-7809
Key Mechanical Company of WAKent(253) 872-7392
MacDonald-Miller Facility SolutionsSeattle(206) 763-9400
Mckinstry Company, Inc.Seattle(206) 762-3311
Mesa Energy Systems, IncIrvine
Morgan MechanicalEdmonds(425) 582-0473
Olympic Heating & Air Conditioning, LLCRenton(425) 761-8730
PermacoldPortland(503) 249-8190
Pinchiff Mechanical LLCSeattle(206) 767-1111
Precision MechanicalSnohomish(877) 568-0205
PSF Mechanical, Inc.Kent(206) 764-9663
PSR MechanicalSeattle(206) 367-2500
Refrigeration Unlimited, Inc.(RU)Tacoma(253) 474-3100
Sea-Temp LLCMaple Valley(206) 870-8367
Siemens Building Technologies, Inc.Issaquah(425) 507-4300
Sno Valley Process SolutionsEverett(206) 679-1653
Sound Specialized Services Inc.Everett(206) 427-3455
Spectrum ServicesN Lakewood(253) 850-7734
Sunbelt Controls, Inc.Azusa(626) 610-2340
TraneBellevue(425) 643-4310
Tri-mechanical, Inc.Bellevue(425) 391-6016
Trotter And Morton GroupTukwila206-588-8787
TRS Mechanical Inc.Spanaway253-539-0141
University Mechanical Contractors, Inc.(UMC)Mukilteo(206) 364-9900
Vital Mechanical ServiceRenton253-630-6933
West Coast Mechanical SolutionsOlympia(253) 509-3857

Residential+

CompanyCityPhone
Alpine Water HeatersNorth Bend206-919-8281
American Mechanical CorporationMonroe(206) 467-6407
Backflow Testing & Service, Inc.Lake Stevens(425) 334-3350
Centerline PlumbingSeattle(206) 920-4673
Covington Plumbing Inc.Bellevue(425) 223-5802
Diamond Plumbing & HeatingEdmonds(206) 459-9206
Erik D Plumber LLCKenmore(206) 719-5758
Great Northern Plumbing ServiceLeavenworth(509) 548-7199
GS Mechanical, LlcRedmond(206) 372-0332
Gulf States Plumbing & Mechanical, Inc.Houston(718) 948-1035
Hollow Log PlumbingLangley(206) 999-6387
Lindsay JohnsonCovington(253) 237-6718
Madden MechanicalBuckley(253) 826-5797
Maple Valley Plumbing & Pipeworks IncRavensdale(425) 432-7599
Morgan MechanicalEdmonds(425) 582-0473
RITTER PLUMBING & MECHANICAL
Snoqualmie Valley MechanicalNorth Bend206-391-8263
Supreme Plumbing LLCSeattle(206) 261-6282
Zuiderweg Construction, LLCArlington360-435-5929

School Districts & Universities+

CompanyCityPhone
Seattle School District #1Seattle(206) 298-7288
Seattle UniversitySeattle(206) 296-5869
Shoreline Public Schools #412Seattle(206) 367-6111

Shipyards+

CompanyCityPhone
Lake Union Drydock Company IncSeattle(206) 323-6400
Vigor Fab (Formerly US Fab LLC)Seattle(206) 623-1635
Vigor Marine, LLCSeattle(206) 623-1635
Vigor Shipyards, IncSeattle(206) 623-1635
Washington State Ferry SystemSeattle(206) 515-3427

Tapping Specialists+

CompanyCityPhone
Legacy TappingSnohomish206-396-7578
Speer Taps, IncCarnation(425) 485-4764

Wenatchee & Peninsula Area+

CompanyCityPhone
Apollo Sheet Metal IncKennewick(509) 586-1104
Bills Plumbing And Heating IncSequim(360) 683-7996
Blythe Plumbing & Heating, Inc.Bellingham 360.389.5500
Doubl-KoldYakima(509) 248-9588
Great Northern Plumbing ServiceLeavenworth(509) 548-7199
Mackin & Little, Inc.Spokane(509) 838-2529
Ogborn Plumbing Contracting, Inc.Tonasket(509) 486-8004
Tru-Flow SystemsPort Angeles(360) 460-5721
Logo for Plumbers Without Borders
WA Plumbing Code