| PHProcess Heating Company, INC. | Seattle | WA | Machinery Manufacturing333414 | 1-19 | ◐ LIKELY ACTIVE |
| SRScougal Rubber CORP | Seattle | WA | Plastics and Rubber Products Manufacturing326291 | 20-99 | ◐ LIKELY ACTIVE |
| SSSeacast Seattle | Seattle | WA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| SLSeafreeze LTD Terminal 115 | Seattle | WA | Food Manufacturing311712 | — | ◐ LIKELY ACTIVE |
| SDShultz Distributing | Seattle | WA | Electrical Equipment, Appliance & Component Manufacturing335110 | — | ◐ LIKELY ACTIVE |
| TSTrident Seafoods Cordova North Facility | Seattle | WA | Food Manufacturing311712 | 500+ | ◐ LIKELY ACTIVE |
Zappbug, INC. | Seattle | WA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| APAir Products Mfg CORP Sea | Seattle | WA | Nonmetallic Mineral Product Manufacturing327213 | — | ◐ LIKELY ACTIVE |
| ACAlaska Copper and Brass | Seattle | WA | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| GNGlacier Northwest East Marginal Way | Seattle | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SBSeaview Boatyard West | Seattle | WA | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| VNVaupell Northwest Molding | Seattle | WA | Plastics and Rubber Products Manufacturing326130 | 500+ | ◐ LIKELY ACTIVE |
| WFWestfarm Foods Seattle | Seattle | WA | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
4m Sigma Corporation | Seattle | WA | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| CDCopperworks Distilling Company | Seattle | WA | Beverage and Tobacco Product Manufacturing312140 | 1-19 | ◐ LIKELY ACTIVE |
| CCreoworks | Seattle | WA | Furniture and Related Product Manufacturing337211 | 1-19 | ◐ LIKELY ACTIVE |
| FBFloodland Brewing Company | Seattle | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| FMFoss Maritime CO | Seattle | WA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| GNGm Nameplate | Seattle | WA | Miscellaneous Manufacturing339950 | 500+ | ◐ LIKELY ACTIVE |
| HIHarbor Island Machine Works, INC | Seattle | WA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| HIHarrington Industrial Plastics LLC | Seattle | WA | Plastics and Rubber Products Manufacturing326122 | — | ▲ REPORTED CLOSED |
Hti-vemco USA INC | Seattle | WA | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| LILight Integration Technologies LLC | Seattle | WA | Computer and Electronic Product Manufacturing334413 | — | ▲ REPORTED CLOSED |
| MFMarine Fluid Systems INC | Seattle | WA | Transportation Equipment Manufacturing336611 | 1-19 | ◐ LIKELY ACTIVE |
Omeros Corporation | Seattle | WA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
Terminal Autonomy INC | Seattle | WA | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| AHArellano Horvath LLC | Seattle | WA | Printing and Related Support Activities323113 | 1-19 | ◐ LIKELY ACTIVE |
| LBLes Boulangers Assoc INC | Seattle | WA | Food Manufacturing311813 | 20-99 | ◐ LIKELY ACTIVE |
| SISteeler INC | Seattle | WA | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| WKWa317945720 - King Electrical Mfg CO | Seattle | WA | Electrical Equipment, Appliance & Component Manufacturing335211 | 100-499 | ◐ LIKELY ACTIVE |
| BBardahl | Seattle | WA | Petroleum and Coal Products Manufacturing324191 | 20-99 | ◇ UNVERIFIED |
| CMCsr Marine South | Seattle | WA | Transportation Equipment Manufacturing336612 | 1-19 | ◇ UNVERIFIED |
| EGEmerald Galvanizing INC | Seattle | WA | Fabricated Metal Product Manufacturing332812 | 1-19 | ◇ UNVERIFIED |
| FVFishing Vessel Owners Marine Ways INC | Seattle | WA | Transportation Equipment Manufacturing336611 | 20-99 | ◇ UNVERIFIED |
| MMMastercraft Metal Finishing INC | Seattle | WA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| OPOlympus Press INC | Seattle | WA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PMPsf Mechanical INC | Seattle | WA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SGScott Galvanizing Site | Seattle | WA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SBSeattle Biodiesel LLC | Seattle | WA | Food Manufacturing311225 | 20-99 | ◇ UNVERIFIED |
| SESkyline Electric and Mfg CO INC | Seattle | WA | Electrical Equipment, Appliance & Component Manufacturing335999 | 1-19 | ◇ UNVERIFIED |
| SYStabbert Yacht and Ship LLC | Seattle | WA | Transportation Equipment Manufacturing336611 | 20-99 | ◇ UNVERIFIED |
| 2B2 Bar, LLC | Seattle | WA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| AAAlon Asphalt Company Richmond Beach Terminal | Seattle | WA | Petroleum and Coal Products Manufacturing324110 | — | ◐ LIKELY ACTIVE |
| ABArt Brass Plating INC Seattle | Seattle | WA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| BMBetter Meat Inc. | Seattle | WA | Food Manufacturing311612 | 1-19 | ◐ LIKELY ACTIVE |
| DMDiamond Machine Works, INC. | Seattle | WA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| DSDusty Strings CO | Seattle | WA | Miscellaneous Manufacturing339992 | 20-99 | ◐ LIKELY ACTIVE |
| EREmerald Recycling | Seattle | WA | Petroleum and Coal Products Manufacturing324191 | — | ◐ LIKELY ACTIVE |
| FSFranz Seattle | Seattle | WA | Food Manufacturing311812 | — | ◐ LIKELY ACTIVE |
| GBGhostfish Brewing Company Inc | Seattle | WA | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ◐ LIKELY ACTIVE |