| BCBayview Composites, LLC. | Mount Vernon | 20–99 | ◐ LIKELY ACTIVE |
| BIBoeing Isaacson Thompson | Tukwila | — | ◐ LIKELY ACTIVE |
| CSColumbia Sheet Metal, INC. of Washington | Tacoma | — | ◐ LIKELY ACTIVE |
| ECEhe Consumables | Bonney Lake | — | ◐ LIKELY ACTIVE |
| EMExotic Metals Forming Company LLC | Kent | — | ◐ LIKELY ACTIVE |
| GSGeneral Sheet Metal, INC. | Olympia | — | ◐ LIKELY ACTIVE |
| GMGlobal Machine Works | Arlington | 100–499 | ◐ LIKELY ACTIVE |
| GMGlobal Metal Works & Erectors | Tacoma | 20–99 | ◐ LIKELY ACTIVE |
| GMGt Manufacturing LLC | Union Gap | — | ◐ LIKELY ACTIVE |
| HSHci Steel Building Systems INC | Arlington | — | ◐ LIKELY ACTIVE |
| JCJemco Components & Fabrication, INC. | Kirkland | — | ◐ LIKELY ACTIVE |
| JSJR Setina Manufacturing Yelm Hwy | Olympia | 100–499 | ◐ LIKELY ACTIVE |
| KSKawneer Seattle | Tukwila | 1–19 | ◐ LIKELY ACTIVE |
| KAKenmore Air Harbor | Kenmore | — | ◐ LIKELY ACTIVE |
| LCLund Custom Machining, INC | Shelton | — | ◐ LIKELY ACTIVE |
| MCMac Chain Warehouse Addition | Woodland | — | ◐ LIKELY ACTIVE |
| MWMajor Wire WA | Fife | 20–99 | ◐ LIKELY ACTIVE |
| MPMapsco Plant 2 | Seattle | — | ◐ LIKELY ACTIVE |
| MMMervin Manufacturing | Sequim | 20–99 | ◐ LIKELY ACTIVE |
| MTMetal Tech | Monroe | — | ◐ LIKELY ACTIVE |
| MMMonroe Machined Products, INC. | Seatac | — | ◐ LIKELY ACTIVE |
| NGNic Global Manufacturing Solutions | Woodinville | — | ◐ LIKELY ACTIVE |
| NSNorthwest Steel Fab Inc | Deer Park | 20–99 | ◐ LIKELY ACTIVE |
| PMProgressive Machine, INC | Pasco | — | ◐ LIKELY ACTIVE |
| PTProto Technologies, INC. | Liberty Lake | — | ◐ LIKELY ACTIVE |
| SCSEAMP Contech Engineered Solutions LLC | Arlington | 1–19 | ◐ LIKELY ACTIVE |
| SBSeattle Barrel CO | Seattle | — | ◐ LIKELY ACTIVE |
| SISimonds International, LLC | Ridgefield | — | ◐ LIKELY ACTIVE |
| SFSpecified Fittings INC | Bellingham | — | ◐ LIKELY ACTIVE |
| STSystima Technologies INC | Mukilteo | — | ◐ LIKELY ACTIVE |
| TBT Bailey March Point Rd | Anacortes | — | ◐ LIKELY ACTIVE |
| TLThe Lighthouse for the Blind, Incorporated | Spokane | — | ◐ LIKELY ACTIVE |
| TWTomcat's Welding & Fabrication, LLC | Moses Lake | — | ◐ LIKELY ACTIVE |
| UNUS Navy Keyport Naval Undersea Warfare Center Div | Keyport | — | ◐ LIKELY ACTIVE |
| WCWest Coast Wire Rope & Rigging, INC. | Seattle | — | ◐ LIKELY ACTIVE |
| WSWestern States Steel & Fab INC | Spokane | 20–99 | ◐ LIKELY ACTIVE |
| ZIZumar Industries, INC | Tacoma | — | ▲ REPORTED CLOSED |
| AFAccra Fab INC Appleway Dr | Liberty Lake | — | ◐ LIKELY ACTIVE |
| AAApplied Aero Systems | Mukilteo | — | ◐ LIKELY ACTIVE |
| BMBall Metal Beverage Container CORP | Kent | — | ◐ LIKELY ACTIVE |
| BIBrooklyn Industrial Coatings | Spokane | — | ◐ LIKELY ACTIVE |
| BDBsb Diversified CO INC | Kent | — | ◐ LIKELY ACTIVE |
| CSCbi Services | Everett | — | ◐ LIKELY ACTIVE |
| GNGm Nameplate INC Auburn | Auburn | — | ◐ LIKELY ACTIVE |
| KCKing County Brightwater Wwtp | Woodinville | — | ◐ LIKELY ACTIVE |
| MTMiddco Tool and Equipment | Spokane | — | ◐ LIKELY ACTIVE |
| MMModumetal Maltby Site | Snohomish | — | ◐ LIKELY ACTIVE |
| NINovation INC | Spokane | — | ◐ LIKELY ACTIVE |
| PTPm Testing Lab INC Pacific Hwy | Tacoma | — | ◐ LIKELY ACTIVE |
| QCQueen City Plating INC | Mukilteo | — | ◐ LIKELY ACTIVE |