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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
Benton Foundry INCBentonPA100–499 ACTIVE
Berntsen Brass & Aluminum Foundry INCMadisonWI100–499 ACTIVE
Bescast, INC.WilloughbyOH100–499 ACTIVE
Betz IndustriesGrand RapidsMI100–499 ACTIVE
Bison Metals Technologies LLCShawneeOK100–499 ACTIVE
Boose Aluminum Foundry CO INCStevensPA— ACTIVE
Bridesburg Foundry CompanyWhitehallPA20–99 ACTIVE
Buck Company, LLCQuarryvillePA100–499 ACTIVE
Buddy Bar Casting, LLCSouth GateCA100–499 ACTIVE
Bull Moose Tube COTrentonGA20–99 ACTIVE
C a Lawton CODe PereWI100–499 ACTIVE
California Screw Products CORPParamountCA20–99 ACTIVE
Calumet Brass Foundry, INCDoltonIL1–19 ACTIVE
Carlton Forge WorksParamountCA100–499 ACTIVE
Cast Aluminum Solutions, LLCBataviaIL100–499 ACTIVE
Casting Solutions LLCZanesvilleOH100–499 ACTIVE
Cast Technologies INCPeoriaIL20–99 ACTIVE
Catalina Cylinders, INC.Garden GroveCA20–99 ACTIVE
Catalyst Refiners INCNitroWV20–99 ACTIVE
Ccr Products, LLCWest HartfordCT20–99 ACTIVE
Century Aluminum Sebree LLCRobardsKY500+ ACTIVE
Cera-met LLCBethlehemPA100–499 ACTIVE
Cerro Wire LLCHartselleAL100–499 ACTIVE
Chaparral Virginia INCPetersburgVA100–499 ACTIVE
Charter AarrowcastShawanoWI100–499 ACTIVE
Charter Steel - SaukvilleSaukvilleWI500+ ACTIVE
Chicago Heights SteelChicago HeightsIL100–499 ACTIVE
Chicago Magnesium Casting COBlue IslandIL— ACTIVE
Cimini & Associates INCWesterlyRI20–99 ACTIVE
Cleveland-cliffs Cleveland WorksClevelandOH500+ ACTIVE
Cleveland-cliffs Steel CORPMiddletownOH500+ ACTIVE
Cleveland-cliffs Steel CORP - Dearborn WorksDearbornMI500+ ACTIVE
Cleveland-cliffs Steel Corporation - Zanesville WorksZanesvilleOH100–499 ACTIVE
Cmc Steel TennesseeKnoxvilleTN100–499 ACTIVE
Concorde Battery CorporationWest CovinaCA100–499 ACTIVE
Consolidated Metal Products (1431072125)CincinnatiOH100–499 ACTIVE
Consolidated Storage Companies, INC.TatamyPA— ACTIVE
Controls Southeast, INCPinevilleNC100–499 ACTIVE
Core Pipe Products INCSanfordFL20–99 ACTIVE
Crabil Manufacturing, INC.Saint PetersburgFL— ACTIVE
Craftech Metal Forming, INCPerrisCA— ACTIVE
Curtis-maruyasu AmericaLebanonKY100–499 ACTIVE
D. D. Wire Co., INC.Temple CityCA— ACTIVE
Delta Centrifugal, LLCTempleTX100–499 ACTIVE
Delta Group Electronics INCSan DiegoCA20–99 ACTIVE
Dicastal North America, INC.GreenvilleMI100–499 ACTIVE
Doncasters INC Precision Castings New EnglandGrotonCT100–499 ACTIVE
Douglass Truck Bodies INCBakersfieldCA100–499 ACTIVE
Duraloy Technologies, INC.ScottdalePA100–499 ACTIVE
Dynacast, LLCElginIL100–499 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.