| IFImperial Fabricating CO Chehalis | Chehalis | — | ◐ LIKELY ACTIVE |
| POPort of Anacortes Dakota Creek | Anacortes | — | ◐ LIKELY ACTIVE |
| RTRanger Tugs Kent | Kent | — | ◐ LIKELY ACTIVE |
| SBSeaview Boatyard West | Seattle | 20–99 | ◐ LIKELY ACTIVE |
| BCBayview Composites, LLC. | Mount Vernon | 20–99 | ◐ LIKELY ACTIVE |
Bushliner Aircraft LLC | Arlington | — | ◐ LIKELY ACTIVE |
| EZE Z Loader Boat Trailers, INC. | Spokane | 100–499 | ◐ LIKELY ACTIVE |
| FMFoss Maritime CO | Seattle | — | ◐ LIKELY ACTIVE |
Hahl Maritime LLC | Shoreline | — | ◐ LIKELY ACTIVE |
| HMHewes Marine Company INC | Colville | 100–499 | ◐ LIKELY ACTIVE |
| IMInventech Marine Solutions, LLC | Bremerton | 20–99 | ◐ LIKELY ACTIVE |
Janicki Industries INC | Sedro Woolley | — | ◐ LIKELY ACTIVE |
Janicki Industries INC | Hamilton | — | ◐ LIKELY ACTIVE |
| JCJemco Components & Fabrication, INC. | Kirkland | 20–99 | ◐ LIKELY ACTIVE |
| JMJt Marine INC | Vancouver | 20–99 | ◐ LIKELY ACTIVE |
| MFMarine Fluid Systems INC | Seattle | 1–19 | ◐ LIKELY ACTIVE |
P&f Commercial Industrial Cleaning Service Limited Liability | Oak Harbor | — | ◐ LIKELY ACTIVE |
Spectrum Networks, LLC | Fife | — | ◐ LIKELY ACTIVE |
| SLSquirrel LLC | Shelton | 1–19 | ◐ LIKELY ACTIVE |
| SAStrigidyne Aerospace INC. | Kent | — | ◐ LIKELY ACTIVE |
Terminal Autonomy INC | Seattle | — | ◐ LIKELY ACTIVE |
Vaupell Industrial Plastics, INC. | Everett | — | ◐ LIKELY ACTIVE |
| NPNameless Performance INC | Woodland | 1–19 | ◐ LIKELY ACTIVE |
| NMNorthwest Marine Industries Bellingham | Bellingham | — | ◐ LIKELY ACTIVE |
| RMRenaissance Marine Group INC | Clarkston | 20–99 | ◐ LIKELY ACTIVE |
| CMCsr Marine South | Seattle | 1–19 | ◇ UNVERIFIED |
| FVFishing Vessel Owners Marine Ways INC | Seattle | 20–99 | ◇ UNVERIFIED |
| NTNordic Tugs INC Huggins Airport Way | Burlington | 20–99 | ◇ UNVERIFIED |
| SYStabbert Yacht and Ship LLC | Seattle | 20–99 | ◇ UNVERIFIED |
| ATAviation Technical Svcs INC Components D | Everett | — | ◐ LIKELY ACTIVE |
| BOBlue Origin Manufacturing LLC Davinci | Renton | — | ◐ LIKELY ACTIVE |
| BABoeing a and M Developmental Center | Tukwila | — | ◐ LIKELY ACTIVE |
| BLBoeing Longacres | Renton | — | ◐ LIKELY ACTIVE |
| BSBoeing Space Center Kent | Kent | — | ◐ LIKELY ACTIVE |
| DSDeep Sea Fisheries INC | Everett | 1–19 | ◐ LIKELY ACTIVE |
| GCGoodrich Corporation | Spokane | — | ◐ LIKELY ACTIVE |
| HEHarper Engineering CO | Renton | 20–99 | ◐ LIKELY ACTIVE |
| HBHaven Boatworks, L.l.c. | Port Townsend | — | ◐ LIKELY ACTIVE |
| HMHirschler Manufacturing | Kirkland | 20–99 | ◐ LIKELY ACTIVE |
| HIHoneywell International INC. | Redmond | — | ◐ LIKELY ACTIVE |
| IFIce Flow Dba Nichols Brothers Boat Builders | Freeland | 100–499 | ◐ LIKELY ACTIVE |
| LCLa Conner Maritime Services | La Conner | — | ◐ LIKELY ACTIVE |
| OEOSW Equipment | Snohomish | 20–99 | ◐ LIKELY ACTIVE |
| PWPacific Western Timbers, INC. | Bremerton | 1–19 | ◐ LIKELY ACTIVE |
| PIPioneer Industries Plant 2 | Seattle | 20–99 | ◐ LIKELY ACTIVE |
| PJP & J Machining Inc | Puyallup | 20–99 | ◐ LIKELY ACTIVE |
| RMRoyell Manufacturing INC | Everett | 100–499 | ◐ LIKELY ACTIVE |
| SFSolidus Fabrication and Design LLC | Carnation | — | ◐ LIKELY ACTIVE |
| SPSound Propeller Services INC | Seattle | 20–99 | ◐ LIKELY ACTIVE |
| TLThe Lighthouse for the Blind, Incorporated | Spokane | — | ◐ LIKELY ACTIVE |