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Manufacturing in Allegheny County, Pennsylvania

The register lists 1,025 facilities in Allegheny, Pennsylvania. According to the Bureau of Labor Statistics, 1,133 establishments were counted in Allegheny in 2025. Primary Metal Manufacturing has a location quotient of 2.39 in Allegheny, according to the Bureau of Labor Statistics.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and benchmark

Biggest cities

Federal labor statistics counted at least 1,133 manufacturing establishments in Allegheny County in 2025, employing about 34,478 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 1,025, about 90% of that figure.

Facilities665 FACILITIES

Listing 665 of 1,025: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Meppi512-510WarrendaleElectrical Equipment, Appliance & Component Manufacturing335313100–499 LIKELY ACTIVE
Meppi520WarrendaleElectrical Equipment, Appliance & Component Manufacturing335313100–499 LIKELY ACTIVE
Meppi530WarrendaleElectrical Equipment, Appliance & Component Manufacturing335999100–499 LIKELY ACTIVE
Meppi547WarrendaleElectrical Equipment, Appliance & Component Manufacturing335999100–499 LIKELY ACTIVE
Moon Township N Sales PaMoon TownshipElectrical Equipment, Appliance & Component Manufacturing335314500+ LIKELY ACTIVE
Mrn Enterprises, INC.Bethel ParkPlastics and Rubber Products Manufacturing326112— LIKELY ACTIVE
Nalco, an Ecolab CompanyPittsburghMachinery Manufacturing33324920–99 LIKELY ACTIVE
Newterra Corporation, INC BridgevilleBridgevilleMachinery Manufacturing3333101–19 LIKELY ACTIVE
Newterra Corporation, Inc CoraopolisCoraopolisMachinery Manufacturing33331020–99 LIKELY ACTIVE
Niagara Bottling, LLC - PittsburghImperialBeverage and Tobacco Product Manufacturing31211220–99 LIKELY ACTIVE
Nonlinear Neuro Dynamics INC.PittsburghMiscellaneous Manufacturing339113— REPORTED CLOSED
OakmontOakmontFabricated Metal Product Manufacturing33232120–99 LIKELY ACTIVE
OPTA-Edgar ThomsonBraddockPrimary Metal Manufacturing3311101–19 LIKELY ACTIVE
Original Mattress Factory - PittsburghPittsburghFurniture and Related Product Manufacturing33791020–99 LIKELY ACTIVE
Pa40 Process InstrumentsPittsburghComputer and Electronic Product Manufacturing334513100–499 LIKELY ACTIVE
Pannier Corporation-PlantGlenshawMiscellaneous Manufacturing33994020–99 LIKELY ACTIVE
Penn HillsVeronaChemical Manufacturing3251201–19 LIKELY ACTIVE
PittsburghOakdaleMachinery Manufacturing33392320–99 LIKELY ACTIVE
Pittsburgh Coastal Energy, INC.PittsburghElectrical Equipment, Appliance & Component Manufacturing335312— REPORTED CLOSED
Pittsburgh - O'Hara, PAPittsburghMiscellaneous Manufacturing339112100–499 LIKELY ACTIVE
Pittsburgh, PAPittsburghPrinting and Related Support Activities32311120–99 LIKELY ACTIVE
Pittsburgh Parts Manufacturing CenterBridgevilleMachinery Manufacturing33391120–99 LIKELY ACTIVE
Pittsburgh PlantCheswickNonmetallic Mineral Product Manufacturing32712020–99 LIKELY ACTIVE
Pittsburgh Service CenterPittsburghPrimary Metal Manufacturing331110100–499 LIKELY ACTIVE
PlumPittsburghNonmetallic Mineral Product Manufacturing3273201–19 LIKELY ACTIVE
Primo Brands - Carnegie FactoryCarnegieBeverage and Tobacco Product Manufacturing31211220–99 LIKELY ACTIVE
Promethean Lifesciences INCPittsburghChemical Manufacturing325414— LIKELY ACTIVE
Quintech Electronics and Communications, IncPittsburghComputer and Electronic Product Manufacturing3342201–19 LIKELY ACTIVE
R&D Coatings, LLCMcKees RocksChemical Manufacturing32551020–99 LIKELY ACTIVE
R&D Coatings, LLCMc Kees RocksChemical Manufacturing32551020–99 LIKELY ACTIVE
Research and Technology CenterMunhallPrimary Metal Manufacturing331110100–499 LIKELY ACTIVE
SDC Nutrition Inc.ImperialChemical Manufacturing325411100–499 LIKELY ACTIVE
SEK Corporation / KeayPittsburghNonmetallic Mineral Product Manufacturing3273901–19 LIKELY ACTIVE
Shadow Strategic LLCPittsburghFabricated Metal Product Manufacturing332994— LIKELY ACTIVE
Smallman StreetPittsburghChemical Manufacturing32519920–99 LIKELY ACTIVE
Smith + Nephew Inc. Pittsburgh PAPittsburgMiscellaneous Manufacturing339112100–499 LIKELY ACTIVE
Solar Turbines Incorporated Pittsburgh District OfficeSewickleyMachinery Manufacturing33361120–99 LIKELY ACTIVE
Spang & Company Corporate/Magnetics Division HeadquartersPittsburghComputer and Electronic Product Manufacturing33441620–99 LIKELY ACTIVE
Standard Forged ProductsMcKees RocksFabricated Metal Product Manufacturing33211120–99 LIKELY ACTIVE
Steel Dynamics Flat Roll Group - MetalTechPittsburghFabricated Metal Product Manufacturing33281220–99 LIKELY ACTIVE
Stryten Energy, LLC - PittsburghBridgevilleElectrical Equipment, Appliance & Component Manufacturing3359111–19 LIKELY ACTIVE
Swindell DresslerCoraopolisMachinery Manufacturing33399420–99 LIKELY ACTIVE
Tri-Arc ManufacturingBlawnoxFabricated Metal Product Manufacturing332312100–499 LIKELY ACTIVE
Trulite 100 Business Center DriveCheswickNonmetallic Mineral Product Manufacturing327215100–499 LIKELY ACTIVE
Trulite Pittsburgh APGCheswickFabricated Metal Product Manufacturing33232120–99 LIKELY ACTIVE
Uame Aerospace, INCSewickleyFabricated Metal Product Manufacturing332710— LIKELY ACTIVE
Union Electric Steel- Carnegie PlantCarnegiePrimary Metal Manufacturing331110100–499 LIKELY ACTIVE
Upper Saint ClairPittsburghElectrical Equipment, Appliance & Component Manufacturing33521020–99 LIKELY ACTIVE
USA PA Pittsburgh PlantPittsburghChemical Manufacturing325510100–499 LIKELY ACTIVE
Vesuvius Research Pittsburgh - Advanced RefractoriesPittsburghNonmetallic Mineral Product Manufacturing3271201–19 LIKELY ACTIVE

Search all 14,331 Pennsylvania facilities