| SSeattle | Auburn | WA | Transportation Equipment Manufacturing336212 | 100-499 | ◐ LIKELY ACTIVE |
| SSSEL Spokane Valley WA | Spokane Valley | WA | Electrical Equipment, Appliance & Component Manufacturing335314 | 100-499 | ◐ LIKELY ACTIVE |
| SMSetina Manufacturing Rixie Rd | Olympia | WA | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| SShelton | Shelton | WA | Wood Product Manufacturing321114 | 100-499 | ◐ LIKELY ACTIVE |
| SNSila Nanotechnologies | Moses Lake | WA | Electrical Equipment, Appliance & Component Manufacturing335991 | 100-499 | ◐ LIKELY ACTIVE |
| SSvz | Othello | WA | Food Manufacturing311942 | 100-499 | ◐ LIKELY ACTIVE |
| TTacoma | South Sound | WA | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ◐ LIKELY ACTIVE |
| TGTechnical Glass Products | Snoqualmie | WA | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| TNTerex - North Bend | North Bend | WA | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| TCTopLine Counters | Sumner | WA | Nonmetallic Mineral Product Manufacturing327991 | 100-499 | ◐ LIKELY ACTIVE |
| TCTwin City Foods Inc | Pasco | WA | Food Manufacturing311411 | 100-499 | ◐ LIKELY ACTIVE |
| TCTwin City Foods, Inc Ellensburg Division | Ellensburg | WA | Food Manufacturing311411 | 100-499 | ◐ LIKELY ACTIVE |
| VHVerathon HQ Bothell | Bothell | WA | Miscellaneous Manufacturing339112 | 100-499 | ◐ LIKELY ACTIVE |
| VMVictory Millwork, L.L.C. | Lynden | WA | Wood Product Manufacturing321918 | 100-499 | ◐ LIKELY ACTIVE |
Vigor Marine Seattle | Seattle | WA | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
| VMVulan Metals Corporation | Tacoma | WA | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| WTWA075 Tacoma Gypsum | Tacoma | WA | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ◐ LIKELY ACTIVE |
| WCWA093 Camas Tissue | Camas | WA | Paper Manufacturing322120 | 100-499 | ◐ LIKELY ACTIVE |
| WHWahq-funko-corporate Hq | Everett | WA | Miscellaneous Manufacturing339930 | 100-499 | ◐ LIKELY ACTIVE |
| WWWallula, Wa Container Plant | Wallula | WA | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| WWWALLULA WA Mill | Wallula | WA | Paper Manufacturing322121 | 100-499 | ◐ LIKELY ACTIVE |
| WWarden | Warden | WA | Food Manufacturing311411 | 100-499 | ◐ LIKELY ACTIVE |
| WSWA - Sumner | Sumner | WA | Food Manufacturing311920 | 100-499 | ◐ LIKELY ACTIVE |
| WCWest Coast Textile LLC | Auburn | WA | Textile Mills313310 | 100-499 | ◐ LIKELY ACTIVE |
| WFWinlock FG | Winlock | WA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| YCYakima Chief Hops | Yakima | WA | Food Manufacturing311942 | 100-499 | ◐ LIKELY ACTIVE |
| CSConifer Specialites INC | Woodinville | WA | Food Manufacturing311811 | 100-499 | ◇ UNVERIFIED |
| RTRoof Truss Supply INC | Woodinville | WA | Wood Product Manufacturing321214 | 100-499 | ◇ UNVERIFIED |
| WAWa317934823 - Adventurer LP | Yakima | WA | Transportation Equipment Manufacturing336214 | 100-499 | ◇ UNVERIFIED |