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Primary Metal Manufacturing

8,651 FACILITIESAll Census product lines →

NAICS 331

Map, cities and product lines
Map of United States manufacturing facilities

Product lines reported here

These are counts by industry: the Economic Census records what establishments in primary metal manufacturing reported producing, and never names a plant.

Plants in this industry8,651 FACILITIES

FacilityCityStateEmployeesStatus
Dynamic Metals, LLCElkhartIN100–499 ACTIVE
Eck Industries, INC.ManitowocWI100–499 ACTIVE
Ecobat ResourcesIndianapolisIN100–499 ACTIVE
E & H Steel Corporation, a Close CorporationMidland CityAL20–99 ACTIVE
Ej Ardmore Inc- FoundryArdmoreOK100–499 ACTIVE
Electro Adapter INCChatsworthCA20–99 ACTIVE
Elkhart Brass Manufacturing Company, LLCElkhartIN100–499 ACTIVE
Ellwood Crankshaft and Machine CompanyHermitagePA100–499 ACTIVE
Ellwood Engineered CastingsHubbardOH100–499 ACTIVE
Elmet Technologies LLCLewistonME100–499 ACTIVE
Elyria Foundry Company LLCElyriaOH100–499 ACTIVE
Engineered Materials Solutions Hamburg FacilityHamburgPA20–99 ACTIVE
Erie Bronze & Aluminum COEriePA1–19 ACTIVE
Fab Masters Company, INC.MarcellusMI20–99 ACTIVE
Falco LLCChandlerAZ100–499 ACTIVE
Felker Brothers CORP Plant IiGlasgowKY1–19 ACTIVE
Felman Production, INC.LetartWV100–499 ACTIVE
Ferno Washington, INC.WilmingtonOH100–499 ACTIVE
Flexaust INCWarsawIN100–499 ACTIVE
Flint Cliffs Manufacturing CORP.BurlingtonIA20–99 ACTIVE
Fort Wayne Metals Research Products, LLCFort WayneIN— ACTIVE
Franklin Bronze Precision Components, LLCFranklinPA20–99 ACTIVE
Freeport-mcmoran Miami INCClaypoolAZ500+ ACTIVE
Fritz Winter North America LPFranklinKY100–499 ACTIVE
Gannon & Scott Phoenix INCPhoenixAZ— ACTIVE
Gc International, INC.CamarilloCA20–99 ACTIVE
General Aluminum Manufacturing CompanyHuntingtonIN20–99 ACTIVE
General Foundry Service CORPSan LeandroCA20–99 ACTIVE
Gerdau Ameristeel US INC - Charlotte Steel MillCharlotteNC100–499 ACTIVE
Gerdau HuntingtonHuntingtonIN20–99 ACTIVE
Ge Transportation/erie PltEriePA— ACTIVE
Gkn Sinter Metals DuboisDuboisPA20–99 ACTIVE
Global Tungsten & Powders LLCTowandaPA100–499 ACTIVE
Goldens' Foundry & Machine COColumbusGA100–499 ACTIVE
Goodwin-bradley Pattern Co., INC.ProvidenceRI— ACTIVE
Granges Americas INCHuntingdonTN500+ ACTIVE
Granges Americas INC.NewportAR100–499 ACTIVE
Gray-syracuse INCChittenangoNY100–499 ACTIVE
Greer Steel CODoverOH100–499 ACTIVE
Griswold IndustriesCosta MesaCA100–499 ACTIVE
G & S Bar and Wire, LLCWoosterOH20–99 ACTIVE
Haynes International, INCArcadiaLA100–499 ACTIVE
Haynes International, INC.KokomoIN500+ ACTIVE
H.c. Starck Solutions Coldwater LLCColdwaterMI— ACTIVE
Heidtman Steel ProductsButlerIN100–499 ACTIVE
Heidtman Steel Products INCGranite CityIL20–99 ACTIVE
Heraeus Precious Metals North America LLCSanta Fe SpringsCA100–499 ACTIVE
Heraeus Precious Metals North America, LLCWartburgTN1–19 ACTIVE
Heyco Metals INCReadingPA20–99 ACTIVE
H. Kramer & COChicagoIL100–499 ACTIVE

Search all 8,651 facilities

Common questions

How many primary metal manufacturing facilities are in the United States?

As of AUG 2026, FactoryRegistry lists 8,651 primary metal manufacturing facilities (NAICS 331) across 53 states, compiled from EPA, OSHA and Census records.

Which state has the most primary metal manufacturing facilities?

California, with 877 facilities listed.

How many primary metal manufacturing facilities are still operating?

3,820 of the 8,651 listed carry a recent operating signal in federal data — the register's Active or Likely active status. The rest are listed from their filings alone, which is a gap in the federal record rather than evidence that a plant has closed.