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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
Coogee Magnesium LLCOttawaIL— ACTIVE
Corrosion Resistant Alloys, LLCHoustonTX20–99 ACTIVE
Corsair Engineering INCFlintMI20–99 ACTIVE
Coulter Forge, LLCEmeryvilleCA— ACTIVE
Craig Wire Products, LLCDouglasvilleGA— ACTIVE
Crossroads Seamless Usa, LLCWinamacIN— ACTIVE
Crucible Metal Solutions INCMenashaWI— ACTIVE
Crystal Steel Fabricators INCDelmarDE— ACTIVE
Custom Aluminum ProductsGenoaIL100–499 ACTIVE
Custom Aluminum Products INCSouth ElginIL100–499 ACTIVE
Dameron Alloy FoundriesCypressCA1–19 ACTIVE
Danko Arlington, INC.BaltimoreMD— ACTIVE
Dave Swanson, INC.North BranchMN— ACTIVE
Dayton Superior CorporationMiamisburgOH— ACTIVE
Ddb Ulimited INCPauls ValleyOK20–99 ACTIVE
D & D Precision Machine Company, INC.MiddleboroMA20–99 ACTIVE
Decco Castings INCEl CajonCA— ACTIVE
Deco Products Company, LllpDecorahIA— ACTIVE
Delaco Steel CORPDearbornMI— ACTIVE
Denison Industries, INC.DenisonTX— ACTIVE
Deringer-ney INC.BloomfieldCT— ACTIVE
Dexmet CorporationWallingfordCT— ACTIVE
Diversified Nonferrous Technologies INCBirminghamAL20–99 ACTIVE
Dub Ross Company, INC.Oklahoma CityOK— ACTIVE
Dunkirk Specialty Steel LLCDunkirkNY— ACTIVE
D. W. Clark, INCE BridgewaterMA— ACTIVE
Dynalloy, INC.IrvineCA20–99 ACTIVE
Dynamic Tool Company, INC.El PasoTX— ACTIVE
Eagle Alloy, INC.MuskegonMI100–499 ACTIVE
Eagle Precision Cast PartsMuskegonMI20–99 ACTIVE
Eagle Stainless Tube & Fabrication, INC.FranklinMA— ACTIVE
Eckart America CORPPainesvilleOH20–99 ACTIVE
Effort Foundry, INC.BathPA— ACTIVE
Eis Wire & Cable, INC.South HadleyMA— ACTIVE
Elite Machining & Engineering Services LLCYorba LindaCA— ACTIVE
Ellwood Quality Steels CompanyNew CastlePA100–499 ACTIVE
Endress + Hauser Flow, USAGreenwoodIN100–499 ACTIVE
Engineered Precision Casting CompanyMiddletownNJ— ACTIVE
Epic Metals CORPBraddockPA— ACTIVE
Epson America INCLos AlamitosCA— ACTIVE
Excal, INCMillsWY20–99 ACTIVE
Expanded Solutions LLCWewokaOK— ACTIVE
Extruded Aluminum Company, LLCBeldingMI100–499 ACTIVE
Federal Bronze Casting Industries, INC.NewarkNJ20–99 ACTIVE
Federal Metal COBedfordOH— ACTIVE
Fine Metals CORPAshlandVA— ACTIVE
Fomas, INC.YorkSC100–499 ACTIVE
Franklin Bronze Plaques, INC.FranklinPA20–99 ACTIVE
F W Winter INC & COCamdenNJ— ACTIVE
G. & J. Steel & Tubing, INC.HillsboroughNJ— 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.