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Manufacturing in St. Clair County, Michigan

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Federal labor statistics counted at least 187 manufacturing establishments in St. Clair County in 2024, employing about 6,043 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 197.

Facilities197 FACILITIES

FacilityCityIndustryNAICSEmployeesStatus
Biopro, INC.Port HuronMiscellaneous Manufacturing339113— ACTIVE
Centracore, LLCSaint ClairFabricated Metal Product Manufacturing33271020–99 ACTIVE
Mpp CORP.KimballMachinery Manufacturing33351120–99 ACTIVE
Mueller Brass CO.Port HuronPrimary Metal Manufacturing331420100–499 ACTIVE
Mueller Impacts Co, INCMarysvillePrimary Metal Manufacturing33131620–99 ACTIVE
Ald Thermal Treatment, INC.Port HuronFabricated Metal Product Manufacturing33281120–99 ACTIVE
Becker Metal Works INCSaint ClairPrimary Metal Manufacturing331512— ACTIVE
Btm CO LLCMarysvilleFabricated Metal Product Manufacturing332999— ACTIVE
Cold Air Inductions INC.RileyTransportation Equipment Manufacturing336390— ACTIVE
Conformance Coatings and Prototype, INCMarysvillePlastics and Rubber Products Manufacturing326199— ACTIVE
Huron Industries INCPort HuronPetroleum and Coal Products Manufacturing324191— ACTIVE
Mapal INCPort HuronMachinery Manufacturing333515100–499 ACTIVE
Selective Industries, INC.Marine CityFabricated Metal Product Manufacturing33211620–99 ACTIVE
V.j. Industries INC.Marine CityFabricated Metal Product Manufacturing332721— ACTIVE
Witco INCGreenwoodFabricated Metal Product Manufacturing332710— ACTIVE
Advanced Automotive Group, L.l.c.AlgonacFabricated Metal Product Manufacturing332710— 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
E.d.i. Finance, INC.IraMachinery Manufacturing333921— ACTIVE
Innovated Machining Solutions LLCPort HuronFabricated Metal Product Manufacturing332710— ACTIVE
Michigan Manufactured Products, INCPort HuronFabricated Metal Product Manufacturing332999— ACTIVE
Midwest Fiberglas Fabricators, IncorporatedMarine CityMiscellaneous Manufacturing339991— ACTIVE
O.e.m. Company, INC.Port HuronMachinery Manufacturing333992— ACTIVE
P. T. M. CorporationIraFabricated Metal Product Manufacturing332999— ACTIVE
S Custom Welds, LLCMarysvilleFabricated Metal Product Manufacturing332313— ACTIVE
Visionary Cnc LLCMusseyFabricated Metal Product Manufacturing332710— ACTIVE
Magna Electric Vehicle StructuresSaint ClairElectrical Equipment, Appliance & Component Manufacturing335999100–499 LIKELY ACTIVE
Lear CORPPort HuronTransportation Equipment Manufacturing336322— LIKELY ACTIVE
L. R. Oliver and Co, IncorporatedCottrellvilleNonmetallic Mineral Product Manufacturing32791020–99 REPORTED CLOSED
Sunsation Products INCAlgonacTransportation Equipment Manufacturing336612— LIKELY ACTIVE
Samvardhana Motherson ReflecticMarysvilleTransportation Equipment Manufacturing336390— LIKELY ACTIVE
Auto AnodicsPort HuronFabricated Metal Product Manufacturing332813— UNVERIFIED
IacSaint ClairPlastics and Rubber Products Manufacturing326199— UNVERIFIED
K&k Screw Products LLCEast ChinaFabricated Metal Product Manufacturing332710— UNVERIFIED
Michigan Metal CoatingsPort HuronFabricated Metal Product Manufacturing332812— UNVERIFIED
Wirtz Mfg CO INC Plant 1Port HuronMachinery Manufacturing333249— UNVERIFIED
Zf Axle Drives MarysvilleMarysvilleTransportation Equipment Manufacturing336111— UNVERIFIED
Sunsation Products, INC.CottrellvilleTransportation Equipment Manufacturing336612— LIKELY ACTIVE
Algonac Cast Products INCAlgonacPrimary Metal Manufacturing331524— UNVERIFIED
Corson Fabricating LLCSaint ClairFabricated Metal Product Manufacturing332618— UNVERIFIED
Cargill Salt Saint ClairSaint ClairFood Manufacturing311221— LIKELY ACTIVE
International Automotive Components (IAC)Port HuronTransportation Equipment Manufacturing336360100–499 LIKELY ACTIVE
Marysville Ethanol, LLCMarysvilleChemical Manufacturing32519320–99 LIKELY ACTIVE
Marysville HydrocarbonsMarysvillePetroleum and Coal Products Manufacturing324110— LIKELY ACTIVE
Mod Interiors, IncorporatedIraWood Product Manufacturing321918— LIKELY ACTIVE
Paumac Tubing LLC - Plant 1MarysvilleFabricated Metal Product Manufacturing33299620–99 LIKELY ACTIVE
PJ Wallbank Springs, Inc.Port HuronFabricated Metal Product Manufacturing332613100–499 LIKELY ACTIVE
Pregis MarysvilleMarysvillePlastics and Rubber Products Manufacturing326140— LIKELY ACTIVE
Riverside Spline and Gear INCMarine CityMachinery Manufacturing33351320–99 LIKELY ACTIVE

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