| SISpokane Industries | Spokane | WA | Beverage and Tobacco Product Manufacturing312111 | 1-19 | ◐ LIKELY ACTIVE |
| HEHoneywell Electronic Materials INC | Spokane | WA | Primary Metal Manufacturing331419 | — | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum and Chemical CO | Richland | WA | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
Kaiser Aluminum Fabricated Products | Spokane | WA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| NSNorth Star Casteel Products | Seattle | WA | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| NSNorth Star Casteel Products | Seattle | WA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| NSNucor Steel Seattle INC | Seattle | WA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| RSRec Solar Grade Silicon | Moses Lake | WA | Nonmetallic Mineral Product Manufacturing327992 | 100-499 | ◐ LIKELY ACTIVE |
| SSSeacast Seattle | Seattle | WA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| UGUS Gypsum Corporation Auburn | Auburn | WA | Nonmetallic Mineral Product Manufacturing327420 | 20-99 | ◐ LIKELY ACTIVE |
| WWWalla Walla Foundry | Walla Walla | WA | Primary Metal Manufacturing331525 | — | ◐ LIKELY ACTIVE |
| BABradken Atlas | Tacoma | WA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| DWDavis Wire CORP | Kent | WA | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| RIRomac Industries | Sultan | WA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
Skyline Steel LLC | Longview | WA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| AWAlcoa Wenatchee LLC | Malaga | WA | Primary Metal Manufacturing331312 | 1-19 | ◐ LIKELY ACTIVE |
| CRCpu River Road Generating Facility | Vancouver | WA | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| ICIndustrial Container Services LLC | Seattle | WA | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| IAIntalco Aluminum CORP Ferndale | Ferndale | WA | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |
| KAKb Alloys INC | Malaga | WA | Primary Metal Manufacturing331318 | — | ◐ LIKELY ACTIVE |
| MBMillennium Bulk Terminals Site | Longview | WA | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |
| NANorthwest Alloys INC | Addy | WA | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| OFOlympic Foundry INC | Seattle | WA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| SFSpecified Fittings INC | Bellingham | WA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| UDUS Doe Hanford Ust Site | Richland | WA | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| WTWear Tek | Spokane | WA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| VIVaricast INC | Vancouver | WA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum Richland | Richland | WA | Primary Metal Manufacturing331318 | 20-99 | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum - Trentwood | Spokane Valley | WA | Primary Metal Manufacturing331315 | 500+ | ◐ LIKELY ACTIVE |
| LELevy Environmental Services Company dba SeaTac Steel Mill and Recycling Services | Seattle | WA | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| MUMPG US Kent | Kent | WA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| NSNucor Steel Seattle INC. | Seattle (SEA) | WA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| SISeaCast Inc - Seattle | Marysville | WA | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| SISpokane Industries | Spokane Valley | WA | Primary Metal Manufacturing331529 | 100-499 | ◐ LIKELY ACTIVE |
| SESynchronized Enterprises, INC. | Puyallup | WA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| VMVulan Metals Corporation | Tacoma | WA | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |