| MMModutech Marine INC | Tacoma | — | ◐ LIKELY ACTIVE |
| NMNorthwest Marine Industries Bellingham | Bellingham | — | ◐ LIKELY ACTIVE |
| SAStrigidyne Aerospace INC. | Kent | — | ◐ LIKELY ACTIVE |
Terminal Autonomy INC | Seattle | — | ◐ LIKELY ACTIVE |
| STStar Transport Trailers INC | Sunnyside | — | ◇ UNVERIFIED |
| APAero Plastics INC | Renton | 20–99 | ◐ LIKELY ACTIVE |
| AAAim Aviation | Renton | — | ◐ LIKELY ACTIVE |
| ATAviation Technical Services PAE | Everett | 500+ | ◐ LIKELY ACTIVE |
| BCBayview Composites, LLC. | Mount Vernon | 20–99 | ◐ 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 |
| EMExotic Metals Forming Company LLC | Kent | — | ◐ LIKELY ACTIVE |
| EZE Z Loader Boat Trailers, INC. | Spokane | — | ◐ LIKELY ACTIVE |
| FMFoss Maritime CO | Seattle | — | ◐ LIKELY ACTIVE |
| GCGoodrich Corporation | Spokane | — | ◐ LIKELY ACTIVE |
| HEHarper Engineering Company | Renton | 20–99 | ◐ 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 |
| JCJemco Components & Fabrication, INC. | Kirkland | — | ◐ LIKELY ACTIVE |
| JSJR Setina Manufacturing Yelm Hwy | Olympia | 100–499 | ◐ LIKELY ACTIVE |
| JMJt Marine INC | Vancouver | — | ◐ LIKELY ACTIVE |
| LCLa Conner Maritime Services | La Conner | — | ◐ LIKELY ACTIVE |
| NSNorthland Services INC Fox Ave | Seattle | — | ◐ LIKELY ACTIVE |
| OEOSW Equipment | Snohomish | 20–99 | ◐ LIKELY ACTIVE |
| PIPioneer Industries Plant 2 | Seattle | 20–99 | ◐ LIKELY ACTIVE |
| PJP & J Machining Inc | Puyallup | 20–99 | ◐ LIKELY ACTIVE |
Propulsion Controls Engineering, LLC | Everett | — | ◐ LIKELY ACTIVE |
| SFSolidus Fabrication and Design LLC | Carnation | — | ◐ LIKELY ACTIVE |
| TLThe Lighthouse for the Blind, Incorporated | Spokane | — | ◐ LIKELY ACTIVE |
| TITriumph Integrated Systems | Redmond | 20–99 | ◐ LIKELY ACTIVE |
| UMUnited Marine Shipbuilding | Seattle | — | ◐ LIKELY ACTIVE |
| WMWestman Marine INC | Blaine | — | ◐ LIKELY ACTIVE |
| WGWipro Givon USA INC | Everett | — | ◐ LIKELY ACTIVE |
| ACAngeles Composite Technologies INC | Port Angeles | — | ◐ LIKELY ACTIVE |
Bay City Marine INC | Tacoma | — | ◐ LIKELY ACTIVE |
| BYBremerton Yacht Club | Bremerton | — | ◐ LIKELY ACTIVE |
| FSFairhaven Shipyard | Bellingham | — | ◐ LIKELY ACTIVE |
| JIJanicki Industries INC Sunset Pk | Sedro Woolley | — | ◐ LIKELY ACTIVE |
| LALifeport Armor Technologies | Woodland | — | ◐ LIKELY ACTIVE |
| LILifeport Interiors | Woodland | — | ◐ LIKELY ACTIVE |
| PNPull N Save INC | Mead | — | ◐ LIKELY ACTIVE |
| QMQ Media Solutions INC | Fife | — | ◐ LIKELY ACTIVE |
| RCRockwell Collins | Everett | — | ◐ LIKELY ACTIVE |
| SYSeaview Yacht Service Fairhaven, INC | Bellingham | — | ◐ LIKELY ACTIVE |
| TITidewater Industrial Center | Vancouver | — | ◐ LIKELY ACTIVE |
| UNUS Navy Radio Station Jim Creek | Arlington | — | ◐ LIKELY ACTIVE |