| SISterling International | Spokane | — | ◇ UNVERIFIED |
| SSSummit Supply | Seattle | — | ◇ UNVERIFIED |
| SFSunrise Fiberglass Engineering Site | Shelton | — | ◇ UNVERIFIED |
| TCTalisman Construction Services | Spokane | — | ◇ UNVERIFIED |
| TCTecnal Corporation Site | Anacortes | — | ◇ UNVERIFIED |
| TETex Enterprises INC | Auburn | — | ◇ UNVERIFIED |
| TATrident Agricultural Products INC Buena | Buena | — | ◇ UNVERIFIED |
| UCUnion Carbide Linde Div | Spokane | — | ◇ UNVERIFIED |
| UCUnited Coatings Manufacturing CO | Green Acres | — | ◇ UNVERIFIED |
| VUVesuvius USA Site | Chehalis | — | ◇ UNVERIFIED |
| VMViox Mcdowell Site | Seattle | — | ◇ UNVERIFIED |
| WUWashington United Terminals | Tacoma | — | ◇ UNVERIFIED |
| WWWellons Water Technology | Vancouver | — | ◇ UNVERIFIED |
| WCWesmar Company Site | Seattle | — | ◇ UNVERIFIED |
| WAWestech Aerosol Corporation | Port Orchard | — | ◇ UNVERIFIED |
| WCWestern Chemical | Ferndale | — | ◇ UNVERIFIED |
| WEWilbur Ellis CO Pullman | Pullman | — | ◇ UNVERIFIED |
| WEWilbur Ellis Mt Vernon | Mount Vernon | — | ◇ UNVERIFIED |
| WFWolfkill Feed Fertilizer CORP Monroe | Monroe | — | ◇ UNVERIFIED |
| WCWood Care Systems | Kirkland | — | ◇ UNVERIFIED |
| YOYe Olde Paint Box | Longview | — | ◇ UNVERIFIED |
| ZZymogenetics | Seattle | — | ◇ UNVERIFIED |
| 1140-USA-Bothell | Bothell | 100–499 | ◐ LIKELY ACTIVE |
| 55913_12970 | Tumwater | 20–99 | ◐ LIKELY ACTIVE |
| ANAdvanced Nutrients | Woodland | 20–99 | ◐ LIKELY ACTIVE |
| BTBarr Tech LLC | Spokane Valley | 20–99 | ◐ LIKELY ACTIVE |
| BSBiolife Solutions, INC. | Bothell | — | ◐ LIKELY ACTIVE |
Bristol Myers Squibb Cell Therapy Operations | Bothell | 500+ | ◐ LIKELY ACTIVE |
| CICAF, Inc. | Maple Valley | 20–99 | ◐ LIKELY ACTIVE |
| CSChemtrade Solutions LLC Anacortes | Anacortes | 20–99 | ◐ LIKELY ACTIVE |
| CIChristopher I. Oyolokor Sr. | Cheney | — | ◐ LIKELY ACTIVE |
| DHDirt Hugger | Dallesport | 20–99 | ◐ LIKELY ACTIVE |
| EUEagle US 2 LLC | Longview | 20–99 | ◐ LIKELY ACTIVE |
| EFEphrata Fill Plant | Ephrata | 1–19 | ◐ LIKELY ACTIVE |
| EBEssential Biomatrix LLC | Edmonds | — | ◐ LIKELY ACTIVE |
| FIFlora Inc | Lynden | 20–99 | ◐ LIKELY ACTIVE |
| FIFramatome Inc. (FKA Areva Inc.) | Richland | 500+ | ◐ LIKELY ACTIVE |
| GSGD-OTS Seattle, Moses Lake Production Center | Moses Lake | 20–99 | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Ots (aerospace), INC. | Bothell | — | ◐ LIKELY ACTIVE |
| GTGsno Therapeutics, INC. | Shelton | — | ◐ LIKELY ACTIVE |
InBios International Inc. 307 Facility | Seattle | 20–99 | ◐ LIKELY ACTIVE |
| LLLilotree LLC | Redmond | — | ◐ LIKELY ACTIVE |
| LGLiving Glass Houses | Bellingham | 1–19 | ◐ LIKELY ACTIVE |
| MIMetagenics Inc. - WA Production | Gig Harbor | 100–499 | ◐ LIKELY ACTIVE |
| MOMill Operations Tacoma CBM | Tacoma | 20–99 | ◐ LIKELY ACTIVE |
| MLMoses Lake ASU | Moses Lake | 1–19 | ◐ LIKELY ACTIVE |
| MRMultiCare Retail Pharmacy | Tacoma | 100–499 | ◐ LIKELY ACTIVE |
| NVNapa Valley Mining Company | Everett | — | ◐ LIKELY ACTIVE |
| NFNatural Factors Manufacturing Inc. - Lake Tye | Monroe | 100–499 | ◐ LIKELY ACTIVE |
| NFNatural Factors Manufacturing Inc. - Longacres | Monroe | 20–99 | ◐ LIKELY ACTIVE |