| QFQual Fab INC | Seattle | — | ◇ UNVERIFIED |
| RTRepair Technology INC | Seattle | — | ◇ UNVERIFIED |
| SISkills INC Paint | Seattle | — | ◇ UNVERIFIED |
| SISnyder Industries INC | Seattle | — | ◇ UNVERIFIED |
| SSStandard Steel Fabricating CO INC | Seattle | — | ◇ UNVERIFIED |
| YMYachtfish Marine | Seattle | — | ◇ UNVERIFIED |
| CCorporate | Seattle | 20–99 | ◐ LIKELY ACTIVE |
| DMDiamond Machine Works, INC. | Seattle | — | ◐ LIKELY ACTIVE |
| HIHarbor Island Machine Works, INC | Seattle | — | ◐ LIKELY ACTIVE |
| MDMad Dragon Fire LLC | Seattle | — | ◐ LIKELY ACTIVE |
| MDMarine Diesel, INC. | Seattle | — | ◐ LIKELY ACTIVE |
| NWNew Western Stud Welding INC | Seattle | — | ◐ LIKELY ACTIVE |
| OAOrion Alloyworx LLC | Seattle | — | ◐ LIKELY ACTIVE |
| OIOvercast Innovations, LLC | Seattle | 1–19 | ◐ LIKELY ACTIVE |
| PFProgressive Fastening INC | Seattle | — | ◐ LIKELY ACTIVE |
| SSeattle | Seattle | 1–19 | ◐ LIKELY ACTIVE |
| SLSmg LLC | Seattle | — | ◐ LIKELY ACTIVE |
 Smith-berger Marine, INC | Seattle | — | ◐ LIKELY ACTIVE |
| UMUS Micro Screw LLC | Seattle | — | ◐ LIKELY ACTIVE |
| ETEden's Tile Portfolio LLC | Seattle | — | ◐ LIKELY ACTIVE |
| WPWa317949902 - Precision Fabricators LLC | Seattle | — | ◇ UNVERIFIED |
| AGAce Galvanizing, INC. | Seattle | — | ◇ UNVERIFIED |
| AIAlliance Industrial Group INC | Seattle | — | ◇ UNVERIFIED |
| AMAll Metals Fabricators INC | Seattle | — | ◇ UNVERIFIED |
| AIAlloyed INC | Seattle | — | ◇ UNVERIFIED |
| BSBallard Sheet Metal Wks INC | Seattle | — | ◇ UNVERIFIED |
| BTBessemer Trading Inc. | Seattle | — | ◇ UNVERIFIED |
| BCBowman Connect LLC | Seattle | — | ◇ UNVERIFIED |
| CZCarl Zapffe INC Aurora | Seattle | — | ◇ UNVERIFIED |
| CAChan and Sons LLC | Seattle | — | ◇ UNVERIFIED |
| CCCrown Cork & Seal Company INC | Seattle | — | ◇ UNVERIFIED |
| DEDaita Enterprises Incorporated | Seattle | — | ◇ UNVERIFIED |
| DLDeburr LLC | Seattle | — | ◇ UNVERIFIED |
| DMDuwamish Metal Fab INC | Seattle | — | ◇ UNVERIFIED |
| FIFasteners INC | Seattle | — | ◇ UNVERIFIED |
| GSGene Summy Lumber | Seattle | — | ◇ UNVERIFIED |
| GFGlobal Fabricators Incorporate | Seattle | — | ◇ UNVERIFIED |
| JKJh Kelly | Seattle | — | ◇ UNVERIFIED |
| KMKhan Machine Tool CO LTD | Seattle | — | ◇ UNVERIFIED |
| KSKrueger Sheet Metal CO | Seattle | — | ◇ UNVERIFIED |
| MIMachinists INC | Seattle | — | ◇ UNVERIFIED |
| MIMutual Industries INC | Seattle | — | ◇ UNVERIFIED |
| NPNational Products INC 1025 S Elmgrove St | Seattle | — | ◇ UNVERIFIED |
| NPNational Products S Elmgrove | Seattle | — | ◇ UNVERIFIED |
| NINelson Iron Works | Seattle | — | ◇ UNVERIFIED |
| NPNorthwest Plating | Seattle | — | ◇ UNVERIFIED |
| PLPractik LLC | Seattle | — | ◇ UNVERIFIED |
| PFPrecision Fabricators LLC | Seattle | — | ◇ UNVERIFIED |
| PIPsf Industries | Seattle | — | ◇ UNVERIFIED |
| PSPuget Sound Repair INC | Seattle | — | ◇ UNVERIFIED |
