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.
Facilities4 FACILITIES
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Ptm CORP | Fair Haven | Transportation Equipment Manufacturing | 336370 | 100–499 | LIKELY ACTIVE |
| Material Handling Technology | Fair Haven | Fabricated Metal Product Manufacturing | 332322 | 20–99 | LIKELY ACTIVE |
| Sejasmi Industries INC | Fair Haven | Plastics and Rubber Products Manufacturing | 326220 | 20–99 | UNVERIFIED |
| Supreme Industries LLC | Fair Haven | Machinery Manufacturing | 333924 | 1–19 | UNVERIFIED |