| VDVan Dam Welding, INC. | Buckley | 1–19 | ◐ LIKELY ACTIVE |
| WLWayron LLC | Longview | — | ◐ LIKELY ACTIVE |
| WCWest Coast Wire Rope & Rigging, INC. | Seattle | — | ◐ LIKELY ACTIVE |
| WSWestern States Steel & Fab INC | Spokane | 20–99 | ◐ LIKELY ACTIVE |
| XIXdm Industries LLC | Port Ludlow | 1–19 | ◐ LIKELY ACTIVE |
| BMBall Metal Beverage Container CORP | Kent | — | ◐ LIKELY ACTIVE |
| BDBsb Diversified CO INC | Kent | — | ◐ LIKELY ACTIVE |
| CRCmc Rebar - Wa - Auburn | Auburn | — | ◐ LIKELY ACTIVE |
| HSHci Steel Building Systems INC | Arlington | — | ◐ LIKELY ACTIVE |
| NENeumeier Engineering, Inc. | Federal Way | 20–99 | ◐ LIKELY ACTIVE |
| NINovation INC | Spokane | — | ◐ LIKELY ACTIVE |
| PTPm Testing Lab INC Pacific Hwy | Tacoma | — | ◐ LIKELY ACTIVE |
| QCQueen City Plating INC | Mukilteo | — | ◐ LIKELY ACTIVE |
| RIRainier Insulation INC | Tacoma | — | ◐ LIKELY ACTIVE |
| SASealth Aero Marine | Mill Creek | 20–99 | ◐ LIKELY ACTIVE |
| SHSilver Horde Fishing Supplies, INC. | Mukilteo | — | ◐ LIKELY ACTIVE |
| WAWa317941145 - a & B Machine & Hydraulics INC | Aberdeen | 1–19 | ◐ LIKELY ACTIVE |
| WEWa317947501 - Evergreen Machine & Fabrication INC | Yakima | 1–19 | ◐ LIKELY ACTIVE |
| WNWa317948566 - National Products INC | Seattle | 100–499 | ◐ LIKELY ACTIVE |
| AMAcro Machining | Marysville | 20–99 | ◇ UNVERIFIED |
 Aero Precision Commerce | Tacoma | — | ◇ UNVERIFIED |
| Aero Precision Lakewood | Lakewood | — | ◇ UNVERIFIED |
| ACAirgas Carbonic INC Sip | Spokane | — | ◇ UNVERIFIED |
| ACAll Custom Metal Arts | Seattle | — | ◇ UNVERIFIED |
| AMAlliance Machine Systems International L | Spokane | — | ◇ UNVERIFIED |
| ACAllpak Containers | Cheney | — | ◇ UNVERIFIED |
| APAmerican Plating | Tacoma | — | ◇ UNVERIFIED |
| ASAo Smith Water Products CO | Renton | — | ◇ UNVERIFIED |
| ASArchitectural Stone Werkes | Seattle | — | ◇ UNVERIFIED |
| ABArt Brass Aerospace Finishing | Seattle | — | ◇ UNVERIFIED |
| AWArtifex Wine | Walla Walla | — | ◇ UNVERIFIED |
| ACArts Custom Chrome | Port Orchard | — | ◇ UNVERIFIED |
 Asko Processing Color Tech Site | Seattle | — | ◇ UNVERIFIED |
| BAB and G Service | Cle Elum | — | ◇ UNVERIFIED |
 Blue Streak Finishers, Plant 1 Site | Everett | — | ◇ UNVERIFIED |
| BIBrudi INC Kelso | Kelso | — | ◇ UNVERIFIED |
| BBBrundage Bone Concrete | Kent | — | ◇ UNVERIFIED |
| CICalvert Industries | Snohomish | — | ◇ UNVERIFIED |
| CFCarlson Formetec INC | Tacoma | — | ◇ UNVERIFIED |
| CMCascade Metallurgical INC | Kent | — | ◇ UNVERIFIED |
| CFCb Finishing | Seattle | — | ◇ UNVERIFIED |
| CSCbi Services | Everett | — | ◇ UNVERIFIED |
| CPCemco Products Site | Everett | — | ◇ UNVERIFIED |
| CMCoastal Manufacturing | Everett | — | ◇ UNVERIFIED |
| CIColmac Industries Site | Colville | — | ◇ UNVERIFIED |
| CBColumbia Business Center Bldg 33 | Vancouver | — | ◇ UNVERIFIED |
| CCColumbia Chrome | Spokane | — | ◇ UNVERIFIED |
| CWCommercial Welding and Fabrication INC | Seattle | — | ◇ UNVERIFIED |
| CACore and Main LP | Renton | — | ◇ UNVERIFIED |
| CCCrown Cork and Seal CO INC Plant 14 | Tukwila | — | ◇ UNVERIFIED |
