Primary Metal Manufacturing in Washington
NAICS 331 · WA
This register lists 145 facilities in Washington. The Bureau of Labor Statistics counted 96 establishments in Washington. Kaiser Aluminum - Trentwood, located in Spokane Valley, employed 899 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Washington7 FACILITIES
Listing 7 of 8: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Alleima Special Metals LLC | Kennewick | — | ACTIVE |
| Infrastructure Rail Systems LLC | Kennewick | — | ACTIVE |
| Kaiser Aluminum and Chemical CO | Richland | — | LIKELY ACTIVE |
| US Doe Hanford Ust Site | Richland | — | LIKELY ACTIVE |
| International Hearth Melting LLC | Richland | — | UNVERIFIED |
| Kaiser Aluminum Richland | Richland | 20–99 | LIKELY ACTIVE |
| Sandvik Special Metals LLC | Kennewick | — | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in Washington