Seattle Area Plumbers Housing Plumbers Pipefitters HVAC-Service Controls Technician/Refrigeration Mechanics and Marine Pipefitters Apprenticeship Committee — page 1 of 2
94 employers are registered training agents of this program in L&I's apprenticeship file. Occupations: Pipefitter (81), Plumber (81), HVAC/Refrigeration Mechanic (79), Housing Plumber (70).
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| Employer (training agent) | Place | Occupation |
|---|---|---|
| Adept Mechanical Services Inc. | Kent, WA | HVAC/Refrigeration Mechanic |
| Adept Mechanical Services Inc. | Kent, WA | Housing Plumber |
| Adept Mechanical Services Inc. | Kent, WA | Maint Plumber/Steamfitter |
| Adept Mechanical Services Inc. | Kent, WA | Marine Pipefitter |
| Adept Mechanical Services Inc. | Kent, WA | Pipefitter |
| Adept Mechanical Services Inc. | Kent, WA | Plumber |
| Air Conditioning Company Inc | Kent, WA | HVAC/Refrigeration Mechanic |
| Air Conditioning Company Inc | Kent, WA | Housing Plumber |
| Air Conditioning Company Inc | Kent, WA | Maint Plumber/Steamfitter |
| Air Conditioning Company Inc | Kent, WA | Marine Pipefitter |
| Air Conditioning Company Inc | Kent, WA | Pipefitter |
| Air Conditioning Company Inc | Kent, WA | Plumber |
| Alliant Systems LLC | Portland, OR | HVAC/Refrigeration Mechanic |
| Alliant Systems LLC | Portland, OR | Pipefitter |
| Alliant Systems LLC | Portland, OR | Plumber |
| American Mechanical Corp | Monroe, WA | HVAC/Refrigeration Mechanic |
| American Mechanical Corp | Monroe, WA | Housing Plumber |
| American Mechanical Corp | Monroe, WA | Maint Plumber/Steamfitter |
| American Mechanical Corp | Monroe, WA | Marine Pipefitter |
| American Mechanical Corp | Monroe, WA | Pipefitter |
| American Mechanical Corp | Monroe, WA | Plumber |
| Apollo Sheet Metal Inc | Kennewick, WA | HVAC/Refrigeration Mechanic |
| Apollo Sheet Metal Inc | Kennewick, WA | Housing Plumber |
| Apollo Sheet Metal Inc | Kennewick, WA | Maint Plumber/Steamfitter |
| Apollo Sheet Metal Inc | Kennewick, WA | Marine Pipefitter |
| Apollo Sheet Metal Inc | Kennewick, WA | Pipefitter |
| Apollo Sheet Metal Inc | Kennewick, WA | Plumber |
| Auburn Mechanical Inc | Auburn, WA | HVAC/Refrigeration Mechanic |
| Auburn Mechanical Inc | Auburn, WA | Housing Plumber |
| Auburn Mechanical Inc | Auburn, WA | Maint Plumber/Steamfitter |
| Auburn Mechanical Inc | Auburn, WA | Marine Pipefitter |
| Auburn Mechanical Inc | Auburn, WA | Pipefitter |
| Auburn Mechanical Inc | Auburn, WA | Plumber |
| Betschart Mechanical Inc | Puyallup, WA | HVAC/Refrigeration Mechanic |
| Betschart Mechanical Inc | Puyallup, WA | Housing Plumber |
| Betschart Mechanical Inc | Puyallup, WA | Maint Plumber/Steamfitter |
| Betschart Mechanical Inc | Puyallup, WA | Marine Pipefitter |
| Betschart Mechanical Inc | Puyallup, WA | Pipefitter |
| Betschart Mechanical Inc | Puyallup, WA | Plumber |
| Bills Plumbing and Heating Inc. | Sequim, WA | HVAC/Refrigeration Mechanic |
| Bills Plumbing and Heating Inc. | Sequim, WA | Housing Plumber |
| Bills Plumbing and Heating Inc. | Sequim, WA | Maint Plumber/Steamfitter |
| Bills Plumbing and Heating Inc. | Sequim, WA | Marine Pipefitter |
| Bills Plumbing and Heating Inc. | Sequim, WA | Pipefitter |
| Bills Plumbing and Heating Inc. | Sequim, WA | Plumber |
| Blythe Plumbing and Heating Inc. | Bellingham, WA | HVAC/Refrigeration Mechanic |
| Blythe Plumbing and Heating Inc. | Bellingham, WA | Housing Plumber |
| Blythe Plumbing and Heating Inc. | Bellingham, WA | Maint Plumber/Steamfitter |
| Blythe Plumbing and Heating Inc. | Bellingham, WA | Marine Pipefitter |
| Blythe Plumbing and Heating Inc. | Bellingham, WA | Pipefitter |
| Blythe Plumbing and Heating Inc. | Bellingham, WA | Plumber |
| BMWC Constructors Inc. | Portland, OR | HVAC/Refrigeration Mechanic |
| BMWC Constructors Inc. | Portland, OR | Housing Plumber |
| BMWC Constructors Inc. | Portland, OR | Maint Plumber/Steamfitter |
| BMWC Constructors Inc. | Portland, OR | Marine Pipefitter |
| BMWC Constructors Inc. | Portland, OR | Pipefitter |
| BMWC Constructors Inc. | Portland, OR | Plumber |
| Bratonia Mechanical LLC | Poulsbo, WA | HVAC/Refrigeration Mechanic |
| Bratonia Mechanical LLC | Poulsbo, WA | Pipefitter |
| Bratonia Mechanical LLC | Poulsbo, WA | Plumber |
| C and H Plumbing | Covington, WA | HVAC/Refrigeration Mechanic |
| C and H Plumbing | Covington, WA | Housing Plumber |
| C and H Plumbing | Covington, WA | Maint Plumber/Steamfitter |
| C and H Plumbing | Covington, WA | Marine Pipefitter |
| C and H Plumbing | Covington, WA | Pipefitter |
| C and H Plumbing | Covington, WA | Plumber |
| Carrier Corporation | Tukwila, WA | HVAC/Refrigeration Mechanic |
| Carrier Corporation | Tukwila, WA | Housing Plumber |
| Carrier Corporation | Tukwila, WA | Maint Plumber/Steamfitter |
| Carrier Corporation | Tukwila, WA | Marine Pipefitter |
| Carrier Corporation | Tukwila, WA | Pipefitter |
| Carrier Corporation | Tukwila, WA | Plumber |
| Central Washington Refrigeration LLC | Yakima, WA | HVAC/Refrigeration Mechanic |
| Central Washington Refrigeration LLC | Yakima, WA | Housing Plumber |
| Central Washington Refrigeration LLC | Yakima, WA | Maint Plumber/Steamfitter |
| Central Washington Refrigeration LLC | Yakima, WA | Marine Pipefitter |
| Central Washington Refrigeration LLC | Yakima, WA | Pipefitter |
| Central Washington Refrigeration LLC | Yakima, WA | Plumber |
| Charles E Harrington/ Seatemp LLC | Valley, WA | HVAC/Refrigeration Mechanic |
| City of Seattle | Seattle, WA | HVAC/Refrigeration Mechanic |
| City of Seattle | Seattle, WA | Housing Plumber |
| City of Seattle | Seattle, WA | Maint Plumber/Steamfitter |
| City of Seattle | Seattle, WA | Marine Pipefitter |
| City of Seattle | Seattle, WA | Pipefitter |
| City of Seattle | Seattle, WA | Plumber |
| DESIGN WEST MECHANICAL LLC | Kent, WA | HVAC/Refrigeration Mechanic |
| DESIGN WEST MECHANICAL LLC | Kent, WA | Housing Plumber |
| DESIGN WEST MECHANICAL LLC | Kent, WA | Pipefitter |
| DESIGN WEST MECHANICAL LLC | Kent, WA | Plumber |
| Diamond B Constructors Inc | Bellingham, WA | Housing Plumber |
| Diamond B Constructors Inc | Bellingham, WA | Maint Plumber/Steamfitter |
| Diamond B Constructors Inc | Bellingham, WA | Marine Pipefitter |
| Diamond B Constructors Inc | Bellingham, WA | Pipefitter |
| Diamond B Constructors Inc | Bellingham, WA | Plumber |
| Diamond Plumbing and Heating | Edmonds, WA | Pipefitter |
| Diamond Plumbing and Heating | Edmonds, WA | Plumber |
| DM Kelly Mechanical Inc. | Enumclaw, WA | HVAC/Refrigeration Mechanic |
| DM Kelly Mechanical Inc. | Enumclaw, WA | Housing Plumber |
| DM Kelly Mechanical Inc. | Enumclaw, WA | Maint Plumber/Steamfitter |
| DM Kelly Mechanical Inc. | Enumclaw, WA | Marine Pipefitter |
| DM Kelly Mechanical Inc. | Enumclaw, WA | Pipefitter |
| DM Kelly Mechanical Inc. | Enumclaw, WA | Plumber |
| Eagle Harbor Assoc. LLC | Poulsbo, WA | HVAC/Refrigeration Mechanic |
| Eagle Harbor Assoc. LLC | Poulsbo, WA | Housing Plumber |
| Eagle Harbor Assoc. LLC | Poulsbo, WA | Maint Plumber/Steamfitter |
| Eagle Harbor Assoc. LLC | Poulsbo, WA | Marine Pipefitter |
| Eagle Harbor Assoc. LLC | Poulsbo, WA | Pipefitter |
| Eagle Harbor Assoc. LLC | Poulsbo, WA | Plumber |
| Engel Construction | Indianola, WA | Pipefitter |
| Engel Construction | Indianola, WA | Plumber |
| Enviromech | Seattle, WA | HVAC/Refrigeration Mechanic |
| Enviromech | Seattle, WA | Housing Plumber |
| Enviromech | Seattle, WA | Maint Plumber/Steamfitter |
| Enviromech | Seattle, WA | Marine Pipefitter |
| Enviromech | Seattle, WA | Pipefitter |
| Enviromech | Seattle, WA | Plumber |
| ERICKSON REFRIGERATION LLC | Auburn, WA | HVAC/Refrigeration Mechanic |
| General Construction Company | Omaha, NE | HVAC/Refrigeration Mechanic |
| General Construction Company | Omaha, NE | Housing Plumber |
| General Construction Company | Omaha, NE | Maint Plumber/Steamfitter |
| General Construction Company | Omaha, NE | Marine Pipefitter |
| General Construction Company | Omaha, NE | Pipefitter |
| General Construction Company | Omaha, NE | Plumber |
| General Mechanical Inc. | Tacoma, WA | HVAC/Refrigeration Mechanic |
| General Mechanical Inc. | Tacoma, WA | Housing Plumber |
| General Mechanical Inc. | Tacoma, WA | Maint Plumber/Steamfitter |
| General Mechanical Inc. | Tacoma, WA | Marine Pipefitter |
| General Mechanical Inc. | Tacoma, WA | Pipefitter |
| General Mechanical Inc. | Tacoma, WA | Plumber |
| GS Mechanical LLC | Redmond, WA | HVAC/Refrigeration Mechanic |
| GS Mechanical LLC | Redmond, WA | Housing Plumber |
| GS Mechanical LLC | Redmond, WA | Maint Plumber/Steamfitter |
| GS Mechanical LLC | Redmond, WA | Marine Pipefitter |
| GS Mechanical LLC | Redmond, WA | Pipefitter |
| GS Mechanical LLC | Redmond, WA | Plumber |
| Haskell Corporation | Bellingham, WA | HVAC/Refrigeration Mechanic |
| Haskell Corporation | Bellingham, WA | Housing Plumber |
| Haskell Corporation | Bellingham, WA | Maint Plumber/Steamfitter |
| Haskell Corporation | Bellingham, WA | Marine Pipefitter |
| Haskell Corporation | Bellingham, WA | Pipefitter |
| Haskell Corporation | Bellingham, WA | Plumber |
| Hawk Mechanical Contractors Inc. | Monroe, WA | HVAC/Refrigeration Mechanic |
| Hawk Mechanical Contractors Inc. | Monroe, WA | Housing Plumber |
| Hawk Mechanical Contractors Inc. | Monroe, WA | Maint Plumber/Steamfitter |
| Hawk Mechanical Contractors Inc. | Monroe, WA | Marine Pipefitter |
| Hawk Mechanical Contractors Inc. | Monroe, WA | Pipefitter |
| Hawk Mechanical Contractors Inc. | Monroe, WA | Plumber |
| Hermanson Company LLP | Kent, WA | HVAC/Refrigeration Mechanic |
| Hermanson Company LLP | Kent, WA | Housing Plumber |
| Hermanson Company LLP | Kent, WA | Maint Plumber/Steamfitter |
| Hermanson Company LLP | Kent, WA | Marine Pipefitter |
| Hermanson Company LLP | Kent, WA | Pipefitter |
| Hermanson Company LLP | Kent, WA | Plumber |
| HOLADAY-PARKS INC. | Seattle, WA | HVAC/Refrigeration Mechanic |
| HOLADAY-PARKS INC. | Seattle, WA | Housing Plumber |
| HOLADAY-PARKS INC. | Seattle, WA | Maint Plumber/Steamfitter |
| HOLADAY-PARKS INC. | Seattle, WA | Marine Pipefitter |
| HOLADAY-PARKS INC. | Seattle, WA | Pipefitter |
| HOLADAY-PARKS INC. | Seattle, WA | Plumber |
| Holmberg Plumbing and Heating Inc. | Kirkland, WA | HVAC/Refrigeration Mechanic |
| Holmberg Plumbing and Heating Inc. | Kirkland, WA | Housing Plumber |
| Holmberg Plumbing and Heating Inc. | Kirkland, WA | Maint Plumber/Steamfitter |
| Holmberg Plumbing and Heating Inc. | Kirkland, WA | Marine Pipefitter |
| Holmberg Plumbing and Heating Inc. | Kirkland, WA | Pipefitter |
| Holmberg Plumbing and Heating Inc. | Kirkland, WA | Plumber |
| Honeywell Inc. | Island, WA | HVAC/Refrigeration Mechanic |
| Honeywell Inc. | Island, WA | Housing Plumber |
| Honeywell Inc. | Valley, MN | Maint Plumber/Steamfitter |
| Honeywell Inc. | Valley, MN | Marine Pipefitter |
| Honeywell Inc. | Island, WA | Pipefitter |
| Honeywell Inc. | Island, WA | Plumber |
| Hoover Commercial Refrigeration Inc | Vernon, WA | HVAC/Refrigeration Mechanic |
| Hoover Commercial Refrigeration Inc | Vernon, WA | Housing Plumber |
| Hoover Commercial Refrigeration Inc | Vernon, WA | Maint Plumber/Steamfitter |
| Hoover Commercial Refrigeration Inc | Vernon, WA | Marine Pipefitter |
| Hoover Commercial Refrigeration Inc | Vernon, WA | Pipefitter |
| Hoover Commercial Refrigeration Inc | Vernon, WA | Plumber |
| Hoover Commercial Refrigeration Inc | Vernon, WA | Residential Service Mech |
| J H Kelly LLC | Longview, WA | HVAC/Refrigeration Mechanic |
| J H Kelly LLC | Longview, WA | Housing Plumber |
| J H Kelly LLC | Longview, WA | Pipefitter |
| J H Kelly LLC | Longview, WA | Plumber |
| Johnson Controls Inc. (CC - construction contractor) | Bothell, WA | HVAC/Refrigeration Mechanic |
| Johnson Controls Inc. (CC - construction contractor) | Bothell, WA | Housing Plumber |
| Johnson Controls Inc. (CC - construction contractor) | Bothell, WA | Maint Plumber/Steamfitter |
| Johnson Controls Inc. (CC - construction contractor) | Bothell, WA | Marine Pipefitter |
| Johnson Controls Inc. (CC - construction contractor) | Bothell, WA | Pipefitter |
| Johnson Controls Inc. (CC - construction contractor) | Bothell, WA | Plumber |
| JR Merit Inc. | Vancouver, WA | Maint Plumber/Steamfitter |
| JR Merit Inc. | Vancouver, WA | Residential Service Mech |
| Key Mechanical Co. of WA | Kent, WA | HVAC/Refrigeration Mechanic |
| Key Mechanical Co. of WA | Kent, WA | Housing Plumber |
| Key Mechanical Co. of WA | Kent, WA | Maint Plumber/Steamfitter |
| Key Mechanical Co. of WA | Kent, WA | Marine Pipefitter |
| Key Mechanical Co. of WA | Kent, WA | Pipefitter |
| Key Mechanical Co. of WA | Kent, WA | Plumber |
| KT Contracting Company Inc. | Salem, OR | HVAC/Refrigeration Mechanic |
| KT Contracting Company Inc. | Salem, OR | Housing Plumber |
| KT Contracting Company Inc. | Salem, OR | Pipefitter |
| KT Contracting Company Inc. | Salem, OR | Plumber |
| Lake Union Drydock Company Inc. | Seattle, WA | HVAC/Refrigeration Mechanic |
| Lake Union Drydock Company Inc. | Seattle, WA | Housing Plumber |
| Lake Union Drydock Company Inc. | Seattle, WA | Maint Plumber/Steamfitter |
| Lake Union Drydock Company Inc. | Seattle, WA | Marine Pipefitter |
| Lake Union Drydock Company Inc. | Seattle, WA | Pipefitter |
| Lake Union Drydock Company Inc. | Seattle, WA | Plumber |
| LINDSAY-JOHNSON MECHANICAL LLC | Covington, WA | HVAC/Refrigeration Mechanic |
| LINDSAY-JOHNSON MECHANICAL LLC | Covington, WA | Housing Plumber |
| LINDSAY-JOHNSON MECHANICAL LLC | Covington, WA | Pipefitter |
| LINDSAY-JOHNSON MECHANICAL LLC | Covington, WA | Plumber |
| LONGHORN ORGANICS LLC | Terrell, TX | Pipefitter |
| LONGHORN ORGANICS LLC | Terrell, TX | Plumber |
| MacDonald-Miller Facility Solutions Inc. | Seattle, WA | HVAC/Refrigeration Mechanic |
| MacDonald-Miller Facility Solutions Inc. | Seattle, WA | Housing Plumber |
| MacDonald-Miller Facility Solutions Inc. | Seattle, WA | Maint Plumber/Steamfitter |
| MacDonald-Miller Facility Solutions Inc. | Seattle, WA | Marine Pipefitter |
| MacDonald-Miller Facility Solutions Inc. | Seattle, WA | Pipefitter |
| MacDonald-Miller Facility Solutions Inc. | Seattle, WA | Plumber |
| Mackin & Little Inc. | Spokane, WA | HVAC/Refrigeration Mechanic |
| Mackin & Little Inc. | Spokane, WA | Housing Plumber |
| Mackin & Little Inc. | Spokane, WA | Maint Plumber/Steamfitter |
| Mackin & Little Inc. | Spokane, WA | Marine Pipefitter |
| Mackin & Little Inc. | Spokane, WA | Pipefitter |
| Mackin & Little Inc. | Spokane, WA | Plumber |
| Madden Mechanical | Buckley, WA | HVAC/Refrigeration Mechanic |
| Madden Mechanical | Buckley, WA | Housing Plumber |
| Madden Mechanical | Buckley, WA | Maint Plumber/Steamfitter |
| Madden Mechanical | Buckley, WA | Marine Pipefitter |
| Madden Mechanical | Buckley, WA | Pipefitter |
| Madden Mechanical | Buckley, WA | Plumber |
| Maple Valley Plumbing and Pipeworks Inc. | Ravensdale, WA | HVAC/Refrigeration Mechanic |
| Maple Valley Plumbing and Pipeworks Inc. | Ravensdale, WA | Housing Plumber |
| Maple Valley Plumbing and Pipeworks Inc. | Ravensdale, WA | Maint Plumber/Steamfitter |
| Maple Valley Plumbing and Pipeworks Inc. | Ravensdale, WA | Marine Pipefitter |
| Maple Valley Plumbing and Pipeworks Inc. | Ravensdale, WA | Pipefitter |
| Maple Valley Plumbing and Pipeworks Inc. | Ravensdale, WA | Plumber |
| McClintock & Turk Inc. | Spokane, WA | Pipefitter |
| McClintock & Turk Inc. | Spokane, WA | Plumber |
| McKinstry Company LLC (construction contractor) | Seattle, WA | HVAC/Refrigeration Mechanic |
| McKinstry Company LLC (construction contractor) | Seattle, WA | Housing Plumber |
| McKinstry Company LLC (construction contractor) | Seattle, WA | Maint Plumber/Steamfitter |
| McKinstry Company LLC (construction contractor) | Seattle, WA | Marine Pipefitter |
| McKinstry Company LLC (construction contractor) | Seattle, WA | Pipefitter |
| McKinstry Company LLC (construction contractor) | Seattle, WA | Plumber |
| MORGAN MECHANICAL INC. | Kirkland, WA | HVAC/Refrigeration Mechanic |
| MORGAN MECHANICAL INC. | Kirkland, WA | Housing Plumber |
| MORGAN MECHANICAL INC. | Kirkland, WA | Maint Plumber/Steamfitter |
| MORGAN MECHANICAL INC. | Kirkland, WA | Pipefitter |
| MORGAN MECHANICAL INC. | Kirkland, WA | Plumber |
| Northwest Refrigeration Contractors Inc. (dba Doubl-Kold Inc) | Yakima, WA | HVAC/Refrigeration Mechanic |
| Northwest Refrigeration Contractors Inc. (dba Doubl-Kold Inc) | Yakima, WA | Housing Plumber |
| Northwest Refrigeration Contractors Inc. (dba Doubl-Kold Inc) | Yakima, WA | Maint Plumber/Steamfitter |
| Northwest Refrigeration Contractors Inc. (dba Doubl-Kold Inc) | Yakima, WA | Marine Pipefitter |
| Northwest Refrigeration Contractors Inc. (dba Doubl-Kold Inc) | Yakima, WA | Pipefitter |
| Northwest Refrigeration Contractors Inc. (dba Doubl-Kold Inc) | Yakima, WA | Plumber |
| Ocean Park Mechanical Inc. | Seattle, WA | HVAC/Refrigeration Mechanic |
| Ocean Park Mechanical Inc. | Seattle, WA | Housing Plumber |
| Ocean Park Mechanical Inc. | Seattle, WA | Maint Plumber/Steamfitter |
| Ocean Park Mechanical Inc. | Seattle, WA | Marine Pipefitter |
| Ocean Park Mechanical Inc. | Seattle, WA | Pipefitter |
| Ocean Park Mechanical Inc. | Seattle, WA | Plumber |
| Ogborn Plumbing Contracting Inc. | Tonasket, WA | HVAC/Refrigeration Mechanic |
| Ogborn Plumbing Contracting Inc. | Tonasket, WA | Housing Plumber |
| Ogborn Plumbing Contracting Inc. | Tonasket, WA | Maint Plumber/Steamfitter |
| Ogborn Plumbing Contracting Inc. | Tonasket, WA | Marine Pipefitter |
| Ogborn Plumbing Contracting Inc. | Tonasket, WA | Pipefitter |
| Ogborn Plumbing Contracting Inc. | Tonasket, WA | Plumber |
| Paramount Mechanical Systems | Renton, WA | Pipefitter |
| Pease Piping Inc. | Tacoma, WA | HVAC/Refrigeration Mechanic |
| Pease Piping Inc. | Tacoma, WA | Housing Plumber |
| Pease Piping Inc. | Tacoma, WA | Maint Plumber/Steamfitter |
| Pease Piping Inc. | Tacoma, WA | Marine Pipefitter |
| Pease Piping Inc. | Tacoma, WA | Pipefitter |
| Pease Piping Inc. | Tacoma, WA | Plumber |
| PermaCold Engineering Inc | Portland, OR | HVAC/Refrigeration Mechanic |
| PermaCold Engineering Inc | Portland, OR | Housing Plumber |
| PermaCold Engineering Inc | Portland, OR | Pipefitter |
| PermaCold Engineering Inc | Portland, OR | Plumber |
| Platinum Industrial Inc. | Woodland, WA | Pipefitter |
| Platinum Industrial Inc. | Woodland, WA | Plumber |
| Port of Seattle | Seattle, WA | Pipefitter |
| Port of Seattle | Seattle, WA | Plumber |
| PRECISION MECHANICAL INC | Everett, WA | HVAC/Refrigeration Mechanic |
| PRECISION MECHANICAL INC | Everett, WA | Housing Plumber |
| PRECISION MECHANICAL INC | Everett, WA | Maint Plumber/Steamfitter |
| PRECISION MECHANICAL INC | Everett, WA | Pipefitter |
| PRECISION MECHANICAL INC | Everett, WA | Plumber |
| Precision Pipe Fabricators Inc. | Aberdeen, WA | HVAC/Refrigeration Mechanic |
| Precision Pipe Fabricators Inc. | Aberdeen, WA | Housing Plumber |
| Precision Pipe Fabricators Inc. | Aberdeen, WA | Pipefitter |
| Precision Pipe Fabricators Inc. | Aberdeen, WA | Plumber |
| Professional Piping | Spokane, WA | Pipefitter |
| Professional Piping | Spokane, WA | Plumber |
| PSF Mechanical Inc | Seattle, WA | HVAC/Refrigeration Mechanic |
| PSF Mechanical Inc | Seattle, WA | Housing Plumber |
| PSF Mechanical Inc | Seattle, WA | Maint Plumber/Steamfitter |
| PSF Mechanical Inc | Seattle, WA | Marine Pipefitter |
| PSF Mechanical Inc | Seattle, WA | Pipefitter |
| PSF Mechanical Inc | Seattle, WA | Plumber |
| Puget Sound Refrigeration Inc. dba PSR-HVAC and Mechanical Services | Seattle, WA | HVAC/Refrigeration Mechanic |
Alphabetical order. An employer is linked to its public works record only when a single Washington contractor has that exact business name: the apprenticeship file carries no UBI.