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Primary Metal Manufacturing

8,881 FACILITIESAll Census product lines →

NAICS 331

The Primary Metal Manufacturing industry, as defined by NAICS 331, is measured by the Bureau of Labor Statistics to have 6096 establishments in the United States as of 2025. This register lists 8881 facilities across the country. Cleveland-Cliffs Burns Harbor LLC, located in Burns Harbor, employed 4003 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

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 industry6,017 FACILITIES

Listing 6,017 of 8,881: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityStateEmployeesStatus
Crystal Steel Fabricators INCDelmarDE— ACTIVE
Curtis-maruyasu AmericaLebanonKY100–499 ACTIVE
Custom Aluminum Products INCSouth ElginIL100–499 ACTIVE
Custom Fabrication & ErectionPhilpotKY— ACTIVE
Dameron Alloy FoundriesCypressCA1–19 ACTIVE
Danko Arlington, INC.BaltimoreMD20–99 ACTIVE
Davis Machine Works of Opelika, INC.OpelikaAL20–99 ACTIVE
Dayton Superior CorporationMiamisburgOH— ACTIVE
D & D Precision Machine Company, INC.MiddleboroMA20–99 ACTIVE
D. D. Wire Co., INC.Temple CityCA20–99 ACTIVE
Deco Products Company, LllpDecorahIA100–499 ACTIVE
Delaco Steel CORPDearbornMI100–499 ACTIVE
Delta Centrifugal, LLCTempleTX100–499 ACTIVE
Delta Group Electronics INCSan DiegoCA20–99 ACTIVE
Denison Industries, INC.DenisonTX100–499 ACTIVE
Dependable Tube Bending, LLCCummingGA1–19 ACTIVE
Deringer-ney INC.BloomfieldCT— ACTIVE
Dexmet CorporationWallingfordCT— ACTIVE
Dicastal North America, INC.GreenvilleMI100–499 ACTIVE
Doherty Steel, INC.PaolaKS100–499 ACTIVE
Doncasters INC Precision Castings New EnglandGrotonCT100–499 ACTIVE
Donsco, INC.WrightsvillePA100–499 ACTIVE
Douglass Truck Bodies INCBakersfieldCA100–499 ACTIVE
Dualtech IncorporatedFranklinIN20–99 ACTIVE
Dub Ross Company, INC.Oklahoma CityOK1–19 ACTIVE
Dunkirk Specialty Steel LLCDunkirkNY— ACTIVE
Duraloy Technologies, INC.ScottdalePA100–499 ACTIVE
D. W. Clark, INCE BridgewaterMA20–99 ACTIVE
Dynacast, LLCElginIL100–499 ACTIVE
Dynamic Metals, LLCElkhartIN100–499 ACTIVE
Dynamic Tool Company, INC.El PasoTX20–99 ACTIVE
Eagle Alloy, INC.MuskegonMI100–499 ACTIVE
Eagle Precision Cast PartsMuskegonMI20–99 ACTIVE
Eagle Stainless Tube & Fabrication, INC.FranklinMA20–99 ACTIVE
Eastern Alloys INCMaybrookNY20–99 ACTIVE
Eastern Alloys of KyHendersonKY20–99 ACTIVE
Eckart America CORPPainesvilleOH20–99 ACTIVE
Eck Industries, INC.ManitowocWI100–499 ACTIVE
Ecobat ResourcesIndianapolisIN100–499 ACTIVE
Effort Foundry, INC.BathPA20–99 ACTIVE
E.h. Baare CORPRobinsonIL20–99 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
Ellwood Quality Steels CompanyNew CastlePA100–499 ACTIVE
Elmet Technologies LLCLewistonME100–499 ACTIVE
Elyria Foundry Company LLCElyriaOH100–499 ACTIVE

Search all 8,881 facilities

Common questions

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

As of NOV 2026, FactoryRegistry lists 8,881 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 901 facilities listed.

How many primary metal manufacturing facilities are still operating?

4,741 of the 8,881 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.