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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
Aluminum Die Casting Company, INC.Jurupa ValleyCA20–99 ACTIVE
American Boa INCCummingGA— ACTIVE
American Carbonyl, LLCRedstone ArsenalAL1–19 ACTIVE
American Spiralweld PipeColumbiaSC100–499 ACTIVE
American Steel and Aluminum LLCAuburnMA— ACTIVE
Ameridrives International LLCEriePA100–499 ACTIVE
Amphenol Cable and Interconnect Technologies, INCSaint AugustineFL— ACTIVE
Amt IncorporatedSharon SpringsNY20–99 ACTIVE
Anchor-harvey Components LLCFreeportIL— ACTIVE
Andrex INCHackettstownNJ— ACTIVE
Angeles Precision Engineering, INC.OntarioCA— ACTIVE
Applied Ceramics, INC.FremontCA— ACTIVE
Aquashield, INCHixsonTN1–19 ACTIVE
Arc Colorado, INCLongmontCO100–499 ACTIVE
Arch Enterprises, INCMexicoMO— ACTIVE
Arcos Industries LLCMount CarmelPA20–99 ACTIVE
Artazn LLCGreenevilleTN100–499 ACTIVE
Asahi Refining USA INCSalt Lake CityUT— ACTIVE
Atalco Gramercy LLCGramercyLA— ACTIVE
Atlas Foundry Company INCMarionIN— ACTIVE
Atrenne Computing Solutions, LLCBrocktonMA— ACTIVE
Aurora Casting & Engineering, INC.Santa PaulaCA— ACTIVE
Aviva Metals, INC.LorainOH100–499 ACTIVE
Bay Cast Technologies, INC.Bay CityMI20–99 ACTIVE
Bear Valley Precision Casting, LLCParowanUT— ACTIVE
Becker Metal Works INCSaint ClairMI— ACTIVE
Bilstein Cold Rolled SteelBowling GreenKY100–499 ACTIVE
Blair Strip Steel CompanyNew CastlePA20–99 ACTIVE
Bocar Us, INCTannerAL100–499 ACTIVE
Brazeway Indiana IncorporatedShelbyvilleIN20–99 ACTIVE
Bridge City Steel, LLCPortlandOR20–99 ACTIVE
Bridon-american CORPOakland CityIN— ACTIVE
Bristol Aluminum COLevittownPA20–99 ACTIVE
Brownell Boat Stands INCDartmouthMA— ACTIVE
Brt Extrusions INCNilesOH100–499 ACTIVE
Bruker Ost LLCCarteretNJ100–499 ACTIVE
Cain Tubular Products, INCSaint CharlesIL— ACTIVE
Calidad, INC.OntarioCA— ACTIVE
Cambridge InternationalCambridgeMD100–499 ACTIVE
Carolina Bronze Sculpture, INC.SeagroveNC— ACTIVE
Cast Products, INC.AthensAL100–499 ACTIVE
Centerline Precision Tube Bending INCDublinCA— ACTIVE
Central Wire, INC.UnionIL20–99 ACTIVE
Charlotte Pipe and Foundry CompanyOakboroNC500+ ACTIVE
Chicago Metal Rolled Products CompanyChicagoIL20–99 ACTIVE
Combined Metals Company, LLCElginIL20–99 ACTIVE
Combined Metals Company LLC - HampshireHampshireIL100–499 ACTIVE
Commercial Metal Fabricators, INC.DaytonOH— ACTIVE
Consolidated Foundries, INCCudahyCA— ACTIVE
Constellium Rolled Products Ravenswood, LLCRavenswoodWV— 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.