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 Washington9 FACILITIES
Listing 9 of 15: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Morel Industries, INC | Arlington | — | ACTIVE |
| Seacast INC | Tulalip | 500+ | ACTIVE |
| Romac Industries | Sultan | — | LIKELY ACTIVE |
| Seacast Arlington LLC | Arlington | — | LIKELY ACTIVE |
| Damar Aerosystems | Monroe | — | UNVERIFIED |
| SeaCast Inc - Seattle | Marysville | 20–99 | LIKELY ACTIVE |
| KBJ Welding Inc | Monroe | 1–19 | UNVERIFIED |
| Wa317943601 - Mackenzie Castings LLC | Arlington | — | UNVERIFIED |
| Wa317945165 - Frasers Bronze Foundry INC | Marysville | 1–19 | UNVERIFIED |
All primary metal manufacturing nationwide · All manufacturing in Washington