Contractors

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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 LLCBothell(425) 275-8710
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
Lindsay JohnsonCovington(253) 237-6718
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
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
Madden MechanicalBuckley(253) 826-5797
Maple Valley Plumbing & Pipeworks IncRavensdale(425) 432-7599
Morgan MechanicalEdmonds(425) 582-0473
Redline MechanicalBlack Diamond360-886-5072
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