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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.

Facilities45 FACILITIES

Listing 45 of 70: 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
Biopro, INC.Port HuronMiscellaneous Manufacturing33911320–99 ACTIVE
Mapal INCPort HuronMachinery Manufacturing333515100–499 ACTIVE
Mueller Brass CO.Port HuronPrimary Metal Manufacturing331420100–499 ACTIVE
PJ Wallbank Springs, Inc.Port HuronFabricated Metal Product Manufacturing332613100–499 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
Cavalier Cabling LLCPort HuronElectrical Equipment, Appliance & Component Manufacturing335931— ACTIVE
Michigan Manufactured Products, INCPort HuronFabricated Metal Product Manufacturing332999— ACTIVE
Michigan Metal CoatingsPort HuronFabricated Metal Product Manufacturing332812100–499 LIKELY ACTIVE
Plastic Dress Up Service INCPort HuronFabricated Metal Product Manufacturing33281220–99 LIKELY ACTIVE
Lear CORPPort HuronTransportation Equipment Manufacturing336322— LIKELY ACTIVE
Auto AnodicsPort HuronFabricated Metal Product Manufacturing332813— LIKELY ACTIVE
Wirtz Mfg CO INC Plant 1Port HuronMachinery Manufacturing333249— LIKELY ACTIVE
Dunn Paper, INC.Port HuronPaper Manufacturing322120— UNVERIFIED
May-wilbert Vault-pt HuronPort HuronFabricated Metal Product Manufacturing3329991–19 UNVERIFIED
S & H Sorting and PackingPort HuronFabricated Metal Product Manufacturing33232120–99 UNVERIFIED
Smith Meat Packing, Inc.Port HuronFood Manufacturing311612— LIKELY ACTIVE
Smith Meat Packing, Inc.Port HuronFood Manufacturing311611— LIKELY ACTIVE
Sunset Enterprises Holdings, LLCPort HuronPlastics and Rubber Products Manufacturing326199— LIKELY ACTIVE
E.b. Eddy Paper INC.Port HuronPaper Manufacturing322120— LIKELY ACTIVE
Michigan Metal Coatings Plant 2Port HuronFabricated Metal Product Manufacturing332812— LIKELY ACTIVE
Tapex American CORPPort HuronTextile Mills3132201–19 LIKELY ACTIVE
Ace Asphalt & Paving CO INC Plant 4 (n2626)Port HuronPetroleum and Coal Products Manufacturing324121— UNVERIFIED
Collins & Aikman COPort HuronTransportation Equipment Manufacturing336390— UNVERIFIED
Cross Hueller Dba Mag PowertrainPort HuronMachinery Manufacturing333517— UNVERIFIED
Henkel CorporationPort HuronChemical Manufacturing325998— UNVERIFIED
H P PelzerPort HuronPlastics and Rubber Products Manufacturing326199— UNVERIFIED
Metalor Technologies USAPort HuronChemical Manufacturing325910— UNVERIFIED
Plastic Plaque Products INCPort HuronPlastics and Rubber Products Manufacturing326199— UNVERIFIED
Shawmut CorporationPort HuronTextile Mills313310— UNVERIFIED
Takata Petri INCPort HuronTransportation Equipment Manufacturing336000— UNVERIFIED
US Farathane - Port HuronPort HuronPlastics and Rubber Products Manufacturing326199— UNVERIFIED
Wirtz Manufacturing Co., INC. Plant 4Port HuronMachinery Manufacturing333248— UNVERIFIED
AludynePort HuronTransportation Equipment Manufacturing3363301–19 LIKELY ACTIVE
Aludyne 2347Port HuronTransportation Equipment Manufacturing33633020–99 LIKELY ACTIVE
Aludyne 3150Port HuronTransportation Equipment Manufacturing33633020–99 LIKELY ACTIVE
CIPA USA Inc.Port HuronTransportation Equipment Manufacturing33639020–99 LIKELY ACTIVE
Greene Group IndustriesPort HuronFabricated Metal Product Manufacturing332117100–499 LIKELY ACTIVE
Port HuronPort HuronPlastics and Rubber Products Manufacturing326199500+ LIKELY ACTIVE
Prism Port HuronPort HuronPlastics and Rubber Products Manufacturing3261991–19 LIKELY ACTIVE
Shawmut Corporation LLC - Port HuronPort HuronTextile Mills31332020–99 LIKELY ACTIVE
Spencer Manufacturing CO LLCPort HuronFabricated Metal Product Manufacturing332322— LIKELY ACTIVE

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