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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.

Facilities24 FACILITIES

Listing 24 of 31: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Btm CO LLCMarysvilleFabricated Metal Product Manufacturing332999100–499 ACTIVE
Conformance Coatings and Prototype, INCMarysvillePlastics and Rubber Products Manufacturing3261991–19 ACTIVE
Mueller Impacts Co, INCMarysvillePrimary Metal Manufacturing33131620–99 ACTIVE
Paumac Tubing LLC - Plant 1MarysvilleFabricated Metal Product Manufacturing33299620–99 LIKELY ACTIVE
Heartland Steel Products, LLCMarysvilleFurniture and Related Product Manufacturing3372151–19 LIKELY ACTIVE
Zf Axle Drives MarysvilleMarysvilleTransportation Equipment Manufacturing336111— LIKELY ACTIVE
Marysville Ethanol, LLCMarysvillePetroleum and Coal Products Manufacturing324110— LIKELY ACTIVE
Samvardhana Motherson ReflecticMarysvilleTransportation Equipment Manufacturing336390— LIKELY ACTIVE
St Clair Packaging INCMarysvillePlastics and Rubber Products Manufacturing32619920–99 LIKELY ACTIVE
S Custom Welds, LLCMarysvilleFabricated Metal Product Manufacturing332313— LIKELY ACTIVE
Smr Automotive Systems USA INCMarysvilleNonmetallic Mineral Product Manufacturing327215500+ LIKELY ACTIVE
Wilkie Bros Conveyors INCMarysvilleMachinery Manufacturing3339221–19 UNVERIFIED
Marysville Ethanol, LLCMarysvilleChemical Manufacturing32519320–99 LIKELY ACTIVE
Pregis MarysvilleMarysvillePlastics and Rubber Products Manufacturing326140— LIKELY ACTIVE
Ti Fluid SystemsMarysvillePlastics and Rubber Products Manufacturing326199— LIKELY ACTIVE
Intertape Polymer CORPMarysvillePaper Manufacturing322220— LIKELY ACTIVE
Flint Hills Resources Marysville, LLCMarysvilleChemical Manufacturing325211— UNVERIFIED
Ti Fluid SystemsMarysvilleTransportation Equipment Manufacturing336340— UNVERIFIED
Industrial Tapes MarysvilleMarysvillePaper Manufacturing322220100–499 LIKELY ACTIVE
MarysvilleMarysvillePaper Manufacturing322220100–499 LIKELY ACTIVE
Paumac Tubing LLC - Plant 3MarysvilleFabricated Metal Product Manufacturing3329961–19 LIKELY ACTIVE
Heartland Steel Prod LLCMarysvillePrimary Metal Manufacturing331210100–499 UNVERIFIED
Mgd Technologies INCMarysvilleMachinery Manufacturing3335111–19 UNVERIFIED
TP Logos, LLCMarysvillePrinting and Related Support Activities3231131–19 UNVERIFIED

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