Manufacturing in St. Clair County, Michigan
Map, cities and benchmark
Biggest cities
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.
Facilities67 FACILITIES
| Facility | City | Industry | NAICS | Employees | Status |
|---|---|---|---|---|---|
| Biopro, INC. | Port Huron | Miscellaneous Manufacturing | 339113 | — | ACTIVE |
| Mueller Brass CO. | Port Huron | Primary Metal Manufacturing | 331420 | 100–499 | ACTIVE |
| Ald Thermal Treatment, INC. | Port Huron | Fabricated Metal Product Manufacturing | 332811 | 20–99 | ACTIVE |
| Huron Industries INC | Port Huron | Petroleum and Coal Products Manufacturing | 324191 | — | ACTIVE |
| Mapal INC | Port Huron | Machinery Manufacturing | 333515 | 100–499 | ACTIVE |
| Advanced Turning Solutions, LLC | Port Huron | Fabricated Metal Product Manufacturing | 332721 | — | ACTIVE |
| Innovated Machining Solutions LLC | Port Huron | Fabricated Metal Product Manufacturing | 332710 | — | ACTIVE |
| Michigan Manufactured Products, INC | Port Huron | Fabricated Metal Product Manufacturing | 332999 | — | ACTIVE |
| O.e.m. Company, INC. | Port Huron | Machinery Manufacturing | 333992 | — | ACTIVE |
| Lear CORP | Port Huron | Transportation Equipment Manufacturing | 336322 | — | LIKELY ACTIVE |
| Auto Anodics | Port Huron | Fabricated Metal Product Manufacturing | 332813 | — | UNVERIFIED |
| Michigan Metal Coatings | Port Huron | Fabricated Metal Product Manufacturing | 332812 | — | UNVERIFIED |
| Wirtz Mfg CO INC Plant 1 | Port Huron | Machinery Manufacturing | 333249 | — | UNVERIFIED |
| International Automotive Components (IAC) | Port Huron | Transportation Equipment Manufacturing | 336360 | 100–499 | LIKELY ACTIVE |
| PJ Wallbank Springs, Inc. | Port Huron | Fabricated Metal Product Manufacturing | 332613 | 100–499 | LIKELY ACTIVE |
| Smith Meat Packing, Inc. | Port Huron | Food Manufacturing | 311612 | — | LIKELY ACTIVE |
| Smith Meat Packing, Inc. | Port Huron | Food Manufacturing | 311611 | — | LIKELY ACTIVE |
| E.b. Eddy Paper INC. | Port Huron | Paper Manufacturing | 322120 | — | LIKELY ACTIVE |
| Ace Asphalt & Paving CO INC Plant 4 (n2626) | Port Huron | Petroleum and Coal Products Manufacturing | 324121 | — | UNVERIFIED |
| Collins & Aikman CO | Port Huron | Transportation Equipment Manufacturing | 336390 | — | UNVERIFIED |
| Cross Hueller Dba Mag Powertrain | Port Huron | Machinery Manufacturing | 333517 | — | UNVERIFIED |
| Dunn Paper, INC. | Port Huron | Paper Manufacturing | 322120 | — | UNVERIFIED |
| Henkel Corporation | Port Huron | Chemical Manufacturing | 325998 | — | UNVERIFIED |
| H P Pelzer | Port Huron | Plastics and Rubber Products Manufacturing | 326199 | — | UNVERIFIED |
| May-wilbert Vault-pt Huron | Port Huron | Fabricated Metal Product Manufacturing | 332999 | — | UNVERIFIED |
| Metalor Technologies USA | Port Huron | Chemical Manufacturing | 325910 | — | UNVERIFIED |
| Michigan Metal Coatings Plant 2 | Port Huron | Fabricated Metal Product Manufacturing | 332812 | — | UNVERIFIED |
| Plastic Dress Up Service INC | Port Huron | Fabricated Metal Product Manufacturing | 332812 | — | UNVERIFIED |
| Plastic Plaque Products INC | Port Huron | Plastics and Rubber Products Manufacturing | 326199 | — | UNVERIFIED |
| Pro Weld INC | Port Huron | Chemical Manufacturing | 325510 | — | UNVERIFIED |
| Shawmut Corporation | Port Huron | Textile Mills | 313310 | — | UNVERIFIED |
| Sunset Enterprises Holdings, LLC | Port Huron | Plastics and Rubber Products Manufacturing | 326199 | — | UNVERIFIED |
| Takata Petri INC | Port Huron | Transportation Equipment Manufacturing | 336000 | — | UNVERIFIED |
| US Farathane - Port Huron | Port Huron | Plastics and Rubber Products Manufacturing | 326199 | — | UNVERIFIED |
| Wirtz Manufacturing Co., INC. Plant 4 | Port Huron | Machinery Manufacturing | 333248 | — | UNVERIFIED |
| Aludyne | Port Huron | Transportation Equipment Manufacturing | 336330 | 1–19 | LIKELY ACTIVE |
| Aludyne 2347 | Port Huron | Transportation Equipment Manufacturing | 336330 | 20–99 | LIKELY ACTIVE |
| Aludyne 3150 | Port Huron | Transportation Equipment Manufacturing | 336330 | 20–99 | LIKELY ACTIVE |
| Attica Manufacturing INC | Port Huron | Fabricated Metal Product Manufacturing | 332710 | — | LIKELY ACTIVE |
| Blue Water Copacking LLC | Port Huron | Beverage and Tobacco Product Manufacturing | 312130 | — | LIKELY ACTIVE |
| CIPA USA Inc. | Port Huron | Transportation Equipment Manufacturing | 336390 | 20–99 | LIKELY ACTIVE |
| Graphtek, INC | Port Huron | Petroleum and Coal Products Manufacturing | 324191 | — | LIKELY ACTIVE |
| Greene Group Industries | Port Huron | Fabricated Metal Product Manufacturing | 332117 | 100–499 | LIKELY ACTIVE |
| Port Huron | Port Huron | Plastics and Rubber Products Manufacturing | 326199 | 500+ | LIKELY ACTIVE |
| Prism Port Huron | Port Huron | Plastics and Rubber Products Manufacturing | 326199 | 1–19 | LIKELY ACTIVE |
| Renaissance Man Co | Port Huron | Beverage and Tobacco Product Manufacturing | 312140 | — | LIKELY ACTIVE |
| Shawmut Corporation LLC - Port Huron | Port Huron | Textile Mills | 313320 | 20–99 | LIKELY ACTIVE |
| Social Enjoyments LLC | Port Huron | Beverage and Tobacco Product Manufacturing | 312130 | — | LIKELY ACTIVE |
| Spencer Manufacturing CO LLC | Port Huron | Fabricated Metal Product Manufacturing | 332322 | — | LIKELY ACTIVE |
| Wirtz Manufacturing Company, Inc. | Port Huron | Machinery Manufacturing | 333248 | 100–499 | LIKELY ACTIVE |
