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 Washington2 FACILITIES
Listing 2 of 4: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Alcoa Wenatchee LLC | Malaga | 1–19 | LIKELY ACTIVE |
| Kb Alloys INC | Malaga | — | LIKELY ACTIVE |
All primary metal manufacturing nationwide · All manufacturing in Washington