| RIRainier Insulation INC | Tacoma | — | ◐ LIKELY ACTIVE |
| SHSilver Horde Fishing Supplies, INC. | Mukilteo | — | ◐ LIKELY ACTIVE |
 Accurate Industries | Auburn | — | ◇ 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 |
| ABAmerican Boiler Works | Arlington | — | ◇ 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 |
| BJBird Johnson CO | Seattle | — | ◇ UNVERIFIED |
 Blue Streak Finishers, Plant 1 Site | Everett | — | ◇ UNVERIFIED |
| BIBrudi INC Kelso | Kelso | — | ◇ UNVERIFIED |
| BBBrundage Bone Concrete | Kent | — | ◇ UNVERIFIED |
| BMBusby Marine and Tank INC | Tacoma | — | ◇ UNVERIFIED |
| CICalvert Industries | Snohomish | — | ◇ UNVERIFIED |
| CFCarlson Formetec INC | Tacoma | — | ◇ UNVERIFIED |
| CMCascade Metallurgical INC | Kent | — | ◇ UNVERIFIED |
| CFCb Finishing | Seattle | — | ◇ UNVERIFIED |
| CPCemco Products Site | Everett | — | ◇ UNVERIFIED |
| CRCmc Rebar - Wa - Auburn | Auburn | — | ◇ UNVERIFIED |
| CMCoastal Manufacturing | Everett | — | ◇ UNVERIFIED |
| CIColmac Industries Site | Colville | — | ◇ UNVERIFIED |
| CBColumbia Business Center Bldg 33 | Vancouver | — | ◇ UNVERIFIED |
| CCColumbia Chrome | Spokane | — | ◇ UNVERIFIED |
| CACore and Main LP | Renton | — | ◇ UNVERIFIED |
| CCCrown Cork and Seal CO INC Plant 14 | Tukwila | — | ◇ UNVERIFIED |
| CPCrown Plating INC | Vancouver | — | ◇ UNVERIFIED |
| DIDunlap Industrial Hardware | Everett | — | ◇ UNVERIFIED |
| EBElectroimpact Building G | Mukilteo | — | ◇ UNVERIFIED |
| ETElectro Tech Metal Finishing LLP | Vancouver | — | ◇ UNVERIFIED |
| ESElm Solutions CORP | Seattle | — | ◇ UNVERIFIED |
| EGEmerald Galvanizing INC | Seattle | — | ◇ UNVERIFIED |
| FCFactory Company International INC the | Spokane | — | ◇ UNVERIFIED |
| FMFluid Marine LLC | Auburn | — | ◇ UNVERIFIED |
| GBGarco Building Systems | Airway Heights | — | ◇ UNVERIFIED |
| GBG B Enterprises Arlington | Arlington | — | ◇ UNVERIFIED |
| GFGem Fabrication | Renton | — | ◇ UNVERIFIED |
| GMGlobal Metal Technologies | Spokane | — | ◇ UNVERIFIED |
| GSGraham Steel CORP | Kirkland | — | ◇ UNVERIFIED |
| GGreenberry | Vancouver | — | ◇ UNVERIFIED |
| GAGulassa and CO INC | Seattle | — | ◇ UNVERIFIED |
