FactoryRegistry
Claim a page

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

Biggest counties

King36Spokane20Pierce17Snohomish15Clark14Benton8Chelan4Cowlitz4

Biggest cities

Plants in Washington24 FACILITIES

Listing 24 of 36: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
Harbor Island Supply CorporationSeattle— ACTIVE
North Star Casteel ProductsSeattle20–99 LIKELY ACTIVE
Pentz Design Pattern and Foundry INCDuvall20–99 LIKELY ACTIVE
North Star Casteel ProductsSeattle20–99 LIKELY ACTIVE
Nucor Steel Seattle INCSeattle— LIKELY ACTIVE
US Gypsum Corporation AuburnAuburn20–99 LIKELY ACTIVE
Davis Wire CORPKent— LIKELY ACTIVE
Seacast SeattleSeattle— LIKELY ACTIVE
Jorgensen Forge CORPTukwila— UNVERIFIED
Industrial Container Services Wa LLCSeattle— LIKELY ACTIVE
Lower Duwamish WaterwaySeattle— LIKELY ACTIVE
Meltec a Div of Young CORPSeattle— LIKELY ACTIVE
Olympic Foundry INCSeattle— LIKELY ACTIVE
Alaskan Copper & Brass CO CtlSeattle— UNVERIFIED
Ge Aircraft EnginesSeattle— UNVERIFIED
Northwest CastingsSeattle— UNVERIFIED
Pacific Car and Foundry CORenton— UNVERIFIED
Salmon Bay Steel CompanyKent— UNVERIFIED
Western Steel Casting COSeattle— UNVERIFIED
Weyerhaeuser Technology CenterFederal Way— UNVERIFIED
Levy Environmental Services Company dba SeaTac Steel Mill and Recycling ServicesSeattle1–19 LIKELY ACTIVE
MPG US KentKent20–99 LIKELY ACTIVE
Nucor Steel Seattle INC.Seattle (SEA)100–499 LIKELY ACTIVE
Wa317936212 - Parrotts B&b Welding INCEnumclaw1–19 UNVERIFIED

Search all 145 facilities

All primary metal manufacturing nationwide · All manufacturing in Washington