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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
Universal Stainless & Alloy Products INCBridgevillePA— ACTIVE
Univertical LLCAngolaIN20–99 ACTIVE
Urschel Laboratories, INC.ChestertonIN500+ ACTIVE
U.s. Bronze Foundry & Machine, INCMeadvillePA— ACTIVE
US Premier Tube Mills, LLCMadisonIN100–499 ACTIVE
Valley Metals, LLCPowayCA20–99 ACTIVE
Vallourec StarHoustonTX100–499 ACTIVE
Vdm Metals USA LLCFlorham ParkNJ100–499 ACTIVE
Virginia Steel & Fabrication, INCBastianVA— ACTIVE
Vista MetalsAdairsvilleGA100–499 ACTIVE
V&s Amboy Galvanizing LLCPerth AmboyNJ20–99 ACTIVE
Vulcan INCFoleyAL100–499 ACTIVE
Waelz Sustainable Products LLCLogansportIN100–499 ACTIVE
Washburn Iron Works INCWashburnWI20–99 ACTIVE
Waupaca Foundry INC - Plant 2 & 3WaupacaWI500+ ACTIVE
Wdc Acquisition LLCCrestonIA100–499 ACTIVE
Webco Ind Inc/oil City Tube DivOil CityPA100–499 ACTIVE
Webco Industries Texas Distribution DivisionOrangeTX20–99 ACTIVE
West Phila. Bronze Co., INCChesterPA— ACTIVE
Wheatland Tube Company - CouncilWheatlandPA100–499 ACTIVE
Williams Advanced Materials INCBuffaloNY— ACTIVE
Willman Industries INCCedar GroveWI100–499 ACTIVE
Wirco INCChampaignIL20–99 ACTIVE
Wisconsin Aluminum Foundry Company, INC.ManitowocWI— ACTIVE
Wl Gore & Associates INCNewarkDE— ACTIVE
Wolverine Bronze CORosevilleMI20–99 ACTIVE
Wooster Products INCWoosterOH— ACTIVE
Worthington SteelPorterIN100–499 ACTIVE
Worthington Steel Rome LLC (former Rome Strip Steel)RomeNY100–499 ACTIVE
Wyman-gordon CompanyNorth GraftonMA100–499 ACTIVE
Yamaha Marine Precision Propellers INC. GreenfieldGreenfieldIN100–499 ACTIVE
Yankee Casting Co, INCEnfieldCT20–99 ACTIVE
80/20, LLCColumbia CityIN— ACTIVE
Above All Cnc, INC.GoletaCA— ACTIVE
Accu-fab and Construction, INCMoss PointMS— ACTIVE
Aci Alloys, INCSan JoseCA— ACTIVE
Adams & Westlake LTDElkhartIN— ACTIVE
Advance Bronze INCLodiOH— ACTIVE
Aero Metals INCLa PorteIN— ACTIVE
A. Finkl & Sons CO.ChicagoIL— ACTIVE
Aim Products LLCCranstonRI— ACTIVE
Alcoa USA CORPMassenaNY100–499 ACTIVE
Alexandria Extrusion Midamerica LLCIndianapolisIN— ACTIVE
Allied Locke Industries INCDixonIL— ACTIVE
Allied Metals COJohnson CityTN— ACTIVE
Alloy Die Casting CO.Buena ParkCA— ACTIVE
Alloy Holdings, LLCProvidenceRI— ACTIVE
Alotech Limited, LLCBrooklynOH— ACTIVE
Alpha Assembly Solutions, INC.AltoonaPA100–499 ACTIVE
Alpha Foundry COWright CityMO— 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.