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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
Glidewell Specialties Foundry CompanyCaleraAL100–499 ACTIVE
Global Advanced Metals USA INCBoyertownPA100–499 ACTIVE
Glyne Manufacturing Co., INC.StratfordCT— ACTIVE
Gopher Resource, LLCEaganMN100–499 ACTIVE
Grand Valley Manufacturing COTitusvillePA— ACTIVE
Grant Manufacturing & Alloying INCBirdsboroPA— ACTIVE
Green's Metal Cut-off CORPSanta Fe SpringsCA— ACTIVE
Greer Tank LLCAnchorageAK— ACTIVE
Gsm Metals INCCranstonRI20–99 ACTIVE
Halliday Products, INC.OrlandoFL— ACTIVE
Hcmp, INC.HaydenID20–99 ACTIVE
H Cross CompanyMoonachieNJ— ACTIVE
Highland Tank, LLC (Stoystown, PA)StoystownPA100–499 ACTIVE
Hme INCTopekaKS— ACTIVE
Howmet Castings & Services, INC.HamptonVA— ACTIVE
Hughes Bros., Aircrafters, INC.South GateCA— ACTIVE
HuntsvilleHuntsvilleAL100–499 ACTIVE
Hvf Precious Metals LLCTucsonAZ— ACTIVE
Hyatt Die Cast and Engineering Corporation - SouthCypressCA— ACTIVE
Hygrade Metal Moulding Manufacturing CORP.BethlehemPA— ACTIVE
Ibc Advanced AlloysFranklinIN20–99 ACTIVE
Icd Melting Solutions LLCAlbertvilleAL20–99 ACTIVE
Idaho Laboratories CORPIdaho FallsID— ACTIVE
Indium Corporation of America, theElk Grove VillageIL— ACTIVE
Industrial Alloys INCIndian TrailNC20–99 ACTIVE
Integra-cast, LLC.New BritainCT— ACTIVE
Interamerica Stage, INC.SanfordFL100–499 ACTIVE
Intramicron, INCAuburnAL— ACTIVE
Ipc Foundry Group, INC.LindonUT20–99 ACTIVE
Jd Machine CORPOgdenUT100–499 ACTIVE
J.l. Haley Enterprises, INC.Rancho CordovaCA20–99 ACTIVE
John Bouchard & Sons CO.NashvilleTN— ACTIVE
John Deere Foundry WaterlooWaterlooIA100–499 ACTIVE
John List CorporationChatsworthCA— ACTIVE
Johnson Brass & Machine Foundry INCSaukvilleWI— ACTIVE
Johnson Manufacturing Company, INCPrincetonIA20–99 ACTIVE
Johnson Matthey INC.West ChesterPA100–499 ACTIVE
Judd Wire INC.Turners FallsMA100–499 ACTIVE
Justice Design Group, LLCComptonCA— ACTIVE
Kimura Foundry America, INCShelbyvilleIN— ACTIVE
Kobelco Aluminum Products & Extrusions INCBowling GreenKY100–499 ACTIVE
Korff Holdings, LLCSalemOH— ACTIVE
Kortick ManufacturingPittsburgCA20–99 ACTIVE
Langeloth Metallurgical Company LLCLangelothPA20–99 ACTIVE
Leachgarner, INC.AttleboroMA100–499 ACTIVE
Leroy Tool & Die INCLeroyMI— ACTIVE
Lite Magnesium Products INCRavennaOH20–99 ACTIVE
Lodge Manufacturing CompanySouth PittsburgTN500+ ACTIVE
Lodi Iron Works, INC.LodiCA— ACTIVE
Lovejoy, LLCSouth HavenMI— 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.