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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
Tier Rack LLCBallwinMO— ACTIVE
Times Fiber Communications INCChathamVA20–99 ACTIVE
Titanium Metals CORPTorontoOH500+ ACTIVE
Tmg Manufacturing, CORPTampaFL— ACTIVE
Tooling & Equipment International CORP.LivoniaMI100–499 ACTIVE
Toyal America INCLockportIL— ACTIVE
Traughber Mechanical Services, INC.FranklinKY20–99 ACTIVE
Travis Pattern & Foundry, INCSpokaneWA— ACTIVE
Tricor Industrial INCWoosterOH— ACTIVE
Trident Alloys, INC.SpringfieldMA— ACTIVE
Truelove & Maclean INCWatertownCT— ACTIVE
Tru-line Manufacturing CompanyDecaturAL20–99 ACTIVE
Trystar, LLC.FaribaultMN— ACTIVE
Ulbrich Precision Alloys LLCNew BedfordMA— ACTIVE
Ulbrich Specialty Wire Products LLCWestminsterSC— ACTIVE
Uni-cast, LLCLondonderryNH100–499 ACTIVE
Universal Alloy CorporationCantonGA100–499 ACTIVE
Unlimited Services of Wisconsin, LLCOcontoWI100–499 ACTIVE
Usac Wa LLCEntiatWA20–99 ACTIVE
Valimet INCStocktonCA— ACTIVE
Victor Microwave, INCWakefieldMA— ACTIVE
Vitta CORPBethelCT— ACTIVE
Voeller MixersPort WashingtonWI20–99 ACTIVE
Welspun Tubular LLCLittle RockAR— ACTIVE
Whitehead Die Casting INCGainesvilleGA— ACTIVE
Whitmor Plastic Wire & Cable CORP.ValenciaCA— ACTIVE
Wieland Rolled Products North America, LLCEast AltonIL— ACTIVE
Winnebago Foundry INCSouth BeloitIL20–99 ACTIVE
Winsert, LLCMarinetteWI— ACTIVE
Wire and Cable Specialties, INC.CoatesvillePA— ACTIVE
Wirerope Works, INC.WilliamsportPA— ACTIVE
Wollaston Alloys, INC.BraintreeMA— ACTIVE
Wolverine Tube, INCDecaturAL100–499 ACTIVE
Wytech Industries, INC.Rahway CityNJ100–499 ACTIVE
426-deborah-rose-durr-supplies L.l.cSouthfieldMI— ACTIVE
9th Degree Metals LLCPortlandOR— ACTIVE
A-1 Roll COMount ClemensMI— ACTIVE
Aaa Air SupportGardenaCA— ACTIVE
Aclara Metals INC.BethesdaMD— ACTIVE
Aclara Technologies INC.BethesdaMD— ACTIVE
Aimtek, INC.AuburnMA— ACTIVE
Albaksan Advanced Copper Alloys LLCSugar GroveIL— ACTIVE
Albright Steel & Wire COOklahoma CityOK— ACTIVE
Alcast Mfg, INC.CommerceCA— ACTIVE
Al Cu Met, INC.LondonderryNH— ACTIVE
Alkemba Holdings, LLCKatyTX— ACTIVE
Alleima USA LLCSouth Abington TownshipPA— ACTIVE
Allfirst L.l.c.SuffolkVA— ACTIVE
Alsco Aluminum Corporation (alsco Aluminum, Corp.)San JuanPR— ACTIVE
Am Bidco Operations LLCFreeportTX— 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.