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Primary Metal Manufacturing in Ohio

NAICS 331 · OH

The register lists 697 facilities in Ohio. According to the Bureau of Labor Statistics, there were 456 establishments in the Primary Metal Manufacturing industry in Ohio in 2025. CLEVELAND-CLIFFS STEEL CORP, located in Middletown, employed 2,296 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Cuyahoga92Trumbull38Summit37Stark35Hamilton30Mahoning25Lake21Lorain21

Biggest cities

Plants in Ohio520 FACILITIES

Listing 520 of 697: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
Isaiah Industries, Inc.Piqua20–99 LIKELY ACTIVE
King Model Company INC (1677011225)Akron— LIKELY ACTIVE
Kohart Recycling of FostoriaFostoria— LIKELY ACTIVE
Liberty TecDelaware20–99 LIKELY ACTIVE
Mcwane DuctileCoshocton500+ LIKELY ACTIVE
Metal Matic INCMiddletown— LIKELY ACTIVE
Navarre IndustriesNavarre100–499 LIKELY ACTIVE
Pennex Aluminum Company - LeetoniaLeetonia100–499 LIKELY ACTIVE
Pentair Flow Technologies, LLC - Ashland Casting CenterAshland— LIKELY ACTIVE
Reserve Alloys LLCTwinsburg— LIKELY ACTIVE
Steelial Welding & Metal Fabrication, INCVinton20–99 LIKELY ACTIVE
St Marys FoundrySt Marys100–499 LIKELY ACTIVE
Worthington-Samuel Coil Processing Cleveland WestCleveland20–99 LIKELY ACTIVE
Worthington-Samuel Coil Processing TwinsburgTwinsburg20–99 LIKELY ACTIVE
Amcast Automotive Wapakoneta PlantWapakoneta— LIKELY ACTIVE
Arcelor Mittal MarionMarion— LIKELY ACTIVE
Banner Service CorporationStrongsville— LIKELY ACTIVE
Cooper Standard Automotive INCNew Lexington— LIKELY ACTIVE
Dietrich IndHicksville— LIKELY ACTIVE
Epcor FoundriesCincinnati— LIKELY ACTIVE
Fenix LLCWapakoneta20–99 LIKELY ACTIVE
Francis Manufacturing Co-francis Manufacturing CORussia— LIKELY ACTIVE
Fulton County Processing LTD a Heidtman Steel CODelta— LIKELY ACTIVE
Ironunits LLCToledo— LIKELY ACTIVE
Ironunits LLC - Toledo Hbi (0448011992)Toledo— LIKELY ACTIVE
Jw Harris CO INC Dba Harris Products GroupMason— LIKELY ACTIVE
Miami Valley Steel Service, INC.Piqua100–499 LIKELY ACTIVE
Nucor Bright Bar OrrvilleOrrville— LIKELY ACTIVE
Picoma Industries-a Division of Zekelman IndustriesCambridge— LIKELY ACTIVE
Piqua Power PlantPiqua— LIKELY ACTIVE
Rhenium Alloys INCNorth Ridgeville20–99 LIKELY ACTIVE
Ross Aluminum Castings LLCSidney— LIKELY ACTIVE
Rotocast TechnologiesAkron1–19 LIKELY ACTIVE
Saint Joseph MintMount Vernon— LIKELY ACTIVE
Shelby Welded TubeShelby— LIKELY ACTIVE
Six C Fabrication, INC. (1667070022)Rootstown— LIKELY ACTIVE
Skye Metal Recovery INC (0684005004)Marietta— LIKELY ACTIVE
Spectrum Machine INCRavenna— LIKELY ACTIVE
Steel Technologies LLCOttawa— LIKELY ACTIVE
Steel Technologies LLCWilloughby— LIKELY ACTIVE
Thomas Steel Strip Corporation Tata Steel PlatingWarren— LIKELY ACTIVE
United Tube CorparationMedina20–99 LIKELY ACTIVE
US Steel - Lorain Tubular OperationsLorain— LIKELY ACTIVE
Warren Steel Holdings LLCWarren— LIKELY ACTIVE
Wheatland Tube CO Niles PlantNiles— LIKELY ACTIVE
Worthington Industries (formerly Heidtman Steel Products)Cleveland— LIKELY ACTIVE
Ak Steel Corporation - Steubenville Intake PumphouseSteubenville— UNVERIFIED
Aleris Specialty Products INCCleveland— UNVERIFIED
American Processing LLCCleveland— UNVERIFIED
Avalon Precision Casting Company LLCCleveland— UNVERIFIED

Search all 697 facilities

All primary metal manufacturing nationwide · All manufacturing in Ohio