FactoryRegistry
Claim a page

Manufacturing in St. Clair County, Michigan

The register lists 219 facilities in St. Clair, Michigan. The Bureau of Labor Statistics counted 201 establishments in St. Clair in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and benchmark

Biggest cities

Federal labor statistics counted at least 201 manufacturing establishments in St. Clair County in 2025, employing about 5,462 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 219.

Facilities151 FACILITIES

Listing 151 of 219: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Ald Thermal Treatment, INC.Port HuronFabricated Metal Product Manufacturing33281120–99 ACTIVE
Becker Metal Works INCSaint ClairPrimary Metal Manufacturing3315121–19 ACTIVE
Biopro, INC.Port HuronMiscellaneous Manufacturing33911320–99 ACTIVE
Btm CO LLCMarysvilleFabricated Metal Product Manufacturing332999100–499 ACTIVE
Cargill Salt Saint ClairSt ClairFood Manufacturing311221— ACTIVE
Centracore, LLCSaint ClairFabricated Metal Product Manufacturing33271020–99 ACTIVE
Cold Air Inductions INC.RileyTransportation Equipment Manufacturing3363901–19 ACTIVE
Conformance Coatings and Prototype, INCMarysvillePlastics and Rubber Products Manufacturing3261991–19 ACTIVE
Mapal INCPort HuronMachinery Manufacturing333515100–499 ACTIVE
Midwest Fiberglas Fabricators, IncorporatedMarine CityMiscellaneous Manufacturing3399911–19 ACTIVE
Mpp CORP.KimballMachinery Manufacturing33351120–99 ACTIVE
Mueller Brass CO.Port HuronPrimary Metal Manufacturing331420100–499 ACTIVE
Mueller Impacts Co, INCMarysvillePrimary Metal Manufacturing33131620–99 ACTIVE
PJ Wallbank Springs, Inc.Port HuronFabricated Metal Product Manufacturing332613100–499 ACTIVE
Selective Industries, INC.Marine CityFabricated Metal Product Manufacturing33211620–99 ACTIVE
V.j. Industries INC.Marine CityFabricated Metal Product Manufacturing3327211–19 ACTIVE
Witco INCGreenwoodFabricated Metal Product Manufacturing33271020–99 ACTIVE
Advanced Automotive Group, L.l.c.AlgonacFabricated Metal Product Manufacturing3327101–19 ACTIVE
Huron Industries INCPort HuronPetroleum and Coal Products Manufacturing324191— ACTIVE
Innovated Machining Solutions LLCPort HuronFabricated Metal Product Manufacturing3327101–19 ACTIVE
O.e.m. Company, INC.Port HuronMachinery Manufacturing33399220–99 ACTIVE
Advanced Turning Solutions, LLCPort HuronFabricated Metal Product Manufacturing332721— ACTIVE
Axiom Enhanced Solutions, LLCCapacPlastics and Rubber Products Manufacturing326199— ACTIVE
Benjamin J. Barch, INCBurtchvilleFabricated Metal Product Manufacturing332710— ACTIVE
Cavalier Cabling LLCPort HuronElectrical Equipment, Appliance & Component Manufacturing335931— ACTIVE
E.d.i. Finance, INC.IraMachinery Manufacturing333921— ACTIVE
Michigan Manufactured Products, INCPort HuronFabricated Metal Product Manufacturing332999— ACTIVE
P. T. M. CorporationIraFabricated Metal Product Manufacturing332999— ACTIVE
Visionary Cnc LLCMusseyFabricated Metal Product Manufacturing332710— ACTIVE
L. R. Oliver and Co, IncorporatedCottrellvilleNonmetallic Mineral Product Manufacturing32791020–99 REPORTED CLOSED
Magna Electric Vehicle StructuresSaint ClairElectrical Equipment, Appliance & Component Manufacturing335999100–499 LIKELY ACTIVE
Paumac Tubing LLC - Plant 1MarysvilleFabricated Metal Product Manufacturing33299620–99 LIKELY ACTIVE
Heartland Steel Products, LLCMarysvilleFurniture and Related Product Manufacturing3372151–19 LIKELY ACTIVE
Michigan Metal CoatingsPort HuronFabricated Metal Product Manufacturing332812100–499 LIKELY ACTIVE
Plastic Dress Up Service INCPort HuronFabricated Metal Product Manufacturing33281220–99 LIKELY ACTIVE
Ptm CORPFair HavenTransportation Equipment Manufacturing336370100–499 LIKELY ACTIVE
Riverside Tank & Manufacturing CORPSaint ClairFabricated Metal Product Manufacturing3324201–19 LIKELY ACTIVE
Zf Axle Drives MarysvilleMarysvilleTransportation Equipment Manufacturing336111— LIKELY ACTIVE
IacSt ClairPlastics and Rubber Products Manufacturing326199— LIKELY ACTIVE
Lear CORPPort HuronTransportation Equipment Manufacturing336322— LIKELY ACTIVE
Marysville Ethanol, LLCMarysvillePetroleum and Coal Products Manufacturing324110— LIKELY ACTIVE
Mill Creek Metal Works, INC.YaleFabricated Metal Product Manufacturing3323231–19 LIKELY ACTIVE
Sunsation Products INCAlgonacTransportation Equipment Manufacturing336612— LIKELY ACTIVE
Auto AnodicsPort HuronFabricated Metal Product Manufacturing332813— LIKELY ACTIVE
Dynamic Polymer Solutions LLCSaint ClairChemical Manufacturing3252111–19 LIKELY ACTIVE
K&k Screw Products LLCEast ChinaFabricated Metal Product Manufacturing332710— LIKELY ACTIVE
Samvardhana Motherson ReflecticMarysvilleTransportation Equipment Manufacturing336390— LIKELY ACTIVE
St Clair Packaging INCMarysvillePlastics and Rubber Products Manufacturing32619920–99 LIKELY ACTIVE
Wirtz Mfg CO INC Plant 1Port HuronMachinery Manufacturing333249— LIKELY ACTIVE
Corson Fabricating LLCSaint ClairFabricated Metal Product Manufacturing3326181–19 UNVERIFIED

Search all 12,656 Michigan facilities