| PAPoe Asphalt Paving | Pullman | WA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| PNPonderay Newsprint Company | Usk | WA | Paper Manufacturing322120 | 100-499 | ◐ LIKELY ACTIVE |
| POPort of Anacortes Dakota Creek | Anacortes | WA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| PIPraxair INC Ferndale Co2 Plant | Ferndale | WA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| PCPrinted Circuits Assembly Corporation | Bellevue | WA | Computer and Electronic Product Manufacturing334418 | — | ◐ LIKELY ACTIVE |
| QQuadra-fire | Colville | WA | Machinery Manufacturing333414 | — | ◐ LIKELY ACTIVE |
| RTRanger Tugs Kent | Kent | WA | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| RGReg Grays Harbor, LLC | Hoquiam | WA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| RIRomac Industries | Sultan | WA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| RERyco Equipment INC | Mountlake Terrace | WA | Machinery Manufacturing333294 | 1-19 | ◐ LIKELY ACTIVE |
| SCSafran Cabin Materials LLC Pend Oreille | Newport | WA | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◐ LIKELY ACTIVE |
| SESchweitzer Engineering Labs | Pullman | WA | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◐ LIKELY ACTIVE |
| SBSeaview Boatyard West | Seattle | WA | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| SASenior Aerospace Absolute Manufacturing | Arlington | WA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SASgl Automotive Carbon Fibers LLC | Moses Lake | WA | Chemical Manufacturing325220 | — | ◐ LIKELY ACTIVE |
| SISimonds International | Ridgefield | WA | Fabricated Metal Product Manufacturing332216 | 1-19 | ◐ LIKELY ACTIVE |
| SFSimplot Frozen Vegetables, LLC. | Pasco | WA | Food Manufacturing311411 | — | ◐ LIKELY ACTIVE |
Skyline Steel LLC | Longview | WA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| SSSmurfit Stone Container CORP | Tacoma | WA | Paper Manufacturing322130 | — | ◐ LIKELY ACTIVE |
| SBSouth Bend Products | South Bend | WA | Food Manufacturing311712 | 20-99 | ◐ LIKELY ACTIVE |
| SSSytech Spokane | Spokane | WA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| TRTacoma Rubber Stamp | Tacoma | WA | Printing and Related Support Activities323122 | 1-19 | ◐ LIKELY ACTIVE |
| TJTeal Jones Lumber Services INC | Sumas | WA | Wood Product Manufacturing321113 | 100-499 | ◐ LIKELY ACTIVE |
| TSTemtco Steel Tumwater | Tumwater | WA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| TITravis Industries | Mukilteo | WA | Machinery Manufacturing333414 | 100-499 | ◐ LIKELY ACTIVE |
| TTTree Top Incorporated | Selah | WA | Food Manufacturing311411 | — | ◐ LIKELY ACTIVE |
| TTTree Top INC Wenatchee | Wenatchee | WA | Food Manufacturing311423 | — | ◐ LIKELY ACTIVE |
| TSTrim Systems LLC Vancouver | Vancouver | WA | Food Manufacturing311340 | — | ◐ LIKELY ACTIVE |
| TLTrueguard LLC | Washougal | WA | Wood Product Manufacturing321114 | — | ◐ LIKELY ACTIVE |
| TATucci and Sons Lonestar Concrete | Tacoma | WA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| UBUS Bancorp Spectrum Properties | Airway Heights | WA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| UWUsnr Woodland Division | Woodland | WA | Fabricated Metal Product Manufacturing332216 | — | ◐ LIKELY ACTIVE |
| UVUtility Vault | Auburn | WA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| VNVaupell Northwest Molding | Seattle | WA | Plastics and Rubber Products Manufacturing326130 | 500+ | ◐ LIKELY ACTIVE |
| WFWa317946093 - Family Endurance Corporation | Kent | WA | Furniture and Related Product Manufacturing337122 | 20-99 | ◐ LIKELY ACTIVE |
| WTWafer Tech LLC | Camas | WA | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| WWWalla Walla Foundry | Walla Walla | WA | Primary Metal Manufacturing331525 | — | ◐ LIKELY ACTIVE |
| WSWenatchee Sandg Batch Plant | Wenatchee | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| WFWestfarm Foods Seattle | Seattle | WA | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
| WFWolfkill Feed Fertilizer CORP Monroe | Monroe | WA | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| WIWoodtone Industries USA INC | Everett | WA | Wood Product Manufacturing321212 | 20-99 | ◐ LIKELY ACTIVE |
4m Sigma Corporation | Seattle | WA | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| AAAccurus Aerospace Kent, LLC | Kent | WA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| AWAjs Wine | Lacey | WA | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| ANAlexandria Nicole Cellars | Prosser | WA | Beverage and Tobacco Product Manufacturing312130 | 20-99 | ◐ LIKELY ACTIVE |
| AFArtisan Finishing Systems INC | Marysville | WA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
Atlas Power CORP | Auburn | WA | Computer and Electronic Product Manufacturing334210 | — | ◐ LIKELY ACTIVE |
August House LLC | Poulsbo | WA | Miscellaneous Manufacturing339993 | — | ◐ LIKELY ACTIVE |
Ava Engineering LLC | Auburn | WA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
Barrier Systems LLC | Monroe | WA | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |