Primary Metal Manufacturing in Washington
NAICS 331 · WA
Washington is home to Primary Metal Manufacturing, an industry with a location quotient of 0.57 according to the Bureau of Labor Statistics in 2024. Listed in the register are 140 facilities in 49 cities across Washington. Kaiser Aluminum - Trentwood in Spokane Valley had 899 employees in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Washington15 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Morel Industries, INC | Arlington | — | ACTIVE |
| Seacast INC | Tulalip | — | ACTIVE |
| Romac Industries | Sultan | — | LIKELY ACTIVE |
| Damar Aerosystems | Monroe | — | UNVERIFIED |
| Seacast Arlington LLC | Arlington | — | UNVERIFIED |
| SeaCast Inc - Seattle | Marysville | 20–99 | LIKELY ACTIVE |
| Wa317943601 - Mackenzie Castings LLC | Arlington | — | UNVERIFIED |
| Agco Metalex | Mukilteo | — | UNVERIFIED |
| American Powderworks Inc | Lynnwood | — | UNVERIFIED |
| Blue Castings | Arlington | — | UNVERIFIED |
| KBJ Welding Inc | Monroe | — | UNVERIFIED |
| Northpoint Apartments | Everett | — | UNVERIFIED |
| Sather Mfg CO INC | Everett | — | UNVERIFIED |
| Wa317942603 - Bending Solutions Incorporated | Marysville | — | UNVERIFIED |
| Wa317945165 - Frasers Bronze Foundry INC | Marysville | — | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in Washington