Plastic injection molding companies in Michigan
Michigan has 274 plastic injection molders in EPA records, facilities that list codes for plastic parts and products made by molding, including injection-molded components. The most are in Grand Rapids, Kentwood and Port Huron. That is 7% of the 3,730 such facilities nationwide, and Michigan ranks #2 of 49 states.
- Product
- Plastic injection molding companies
- Facilities
- 274
- State rank
- #2
- NAICS
- 326121, 326122, 326199
- Revised
- November 1, 2026
Facilities in Michigan
These are active facilities in EPA's ECHO database that list a code for plastic parts and products made by molding, including injection-molded components. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.
| Facility | City | What EPA lists |
|---|---|---|
| Albar Industries, Inc. | Lapeer | All Other Plastics Product Manufacturing |
| Dgp Inc. | Marlette | All Other Plastics Product Manufacturing |
| Dart Container Corporation of Michigan | Mason | All Other Plastics Product Manufacturing |
| Great Lakes Composite, LLC | Owosso | All Other Plastics Product Manufacturing |
| Lacks Industries Inc | Kentwood | All Other Plastics Product Manufacturing |
| Molded Plastic Industries, Inc. | Holt | All Other Plastics Product Manufacturing |
| Mayco International, LLC | Sterling Hts | All Other Plastics Product Manufacturing |
| Advanced Fibermolding Incorporated | Leroy | All Other Plastics Product Manufacturing |
| Agco, Inc | Remus | Unlaminated Plastics Profile Shape Manufacturing |
| Belding Tank Technologies, Inc. | Belding | All Other Plastics Product Manufacturing |
| Lexamar Corporation | Boyne City | All Other Plastics Product Manufacturing |
| Lyons Industries | Dowagiac | All Other Plastics Product Manufacturing |
| Romeo Rim, Inc. (B5854) | Romeo | All Other Plastics Product Manufacturing |
| Warm Rain Corporation | Calumet | All Other Plastics Product Manufacturing |
| National Composites-American Recreational Products | Fenton | All Other Plastics Product Manufacturing |
| Jaycor, Inc | Belding | All Other Plastics Product Manufacturing |
| Cecil Composites, LLC (B1772) | Mount Clemens | All Other Plastics Product Manufacturing |
| Jvis Mfg., LLC | Benton Harbor | All Other Plastics Product Manufacturing |
| New Boston Rtm, Inc. | New Boston | All Other Plastics Product Manufacturing |
| Midwest Rubber Company | Deckerville | All Other Plastics Product Manufacturing |
| Pilkington North America, Inc. | Niles | All Other Plastics Product Manufacturing |
| Tri-Clor, Inc. | Hastings | All Other Plastics Product Manufacturing |
| West Michigan Molding, Inc. | Grand Haven | All Other Plastics Product Manufacturing |
| Andronaco Industries (N5535) | Kentwood | Plastics Pipe and Pipe Fitting Manufacturing |
| Barrette Outdoor Living | Flint | All Other Plastics Product Manufacturing |
| Bdgn - DBA American Autocoat (N2283) | Grand Rapids | All Other Plastics Product Manufacturing |
| Belmont Engineered Plastics, LLC | Belmont | All Other Plastics Product Manufacturing |
| Carroll Products, Inc. | Sterling Hts | All Other Plastics Product Manufacturing |
| Certainteed Corp | Jackson | All Other Plastics Product Manufacturing |
| Creative Foam Corporation Fenway | Fenton | All Other Plastics Product Manufacturing |
| Dag Technology, Inc. (P1191) | Holly | All Other Plastics Product Manufacturing |
| East Jordan Plastics Inc - East Jordan | East Jordan | All Other Plastics Product Manufacturing |
| Floracraft Inc | Ludington | All Other Plastics Product Manufacturing |
| Grand Rapids Controls Co | Rockford | All Other Plastics Product Manufacturing |
| Hastings Fiberglass Products | Hastings | All Other Plastics Product Manufacturing |
| Huhtamaki Inc | Coleman | All Other Plastics Product Manufacturing |
| International Automotive Components (Iac) Group | Alma | Unlaminated Plastics Profile Shape Manufacturing |
| Jac Products Inc | Saline | All Other Plastics Product Manufacturing |
| Lacks Enterprises Inc | Kentwood | All Other Plastics Product Manufacturing |
| Lacks Industries, Inc. | Grand Rapids | All Other Plastics Product Manufacturing |
Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.
Where they are
- Grand Rapids: 14
- Kentwood: 9
- Port Huron: 7
- Auburn Hills: 6
- Grand Haven: 5
- Clinton Township: 5
By product code
- All Other Plastics Product Manufacturing (NAICS 326199): 37 of those shown
- Unlaminated Plastics Profile Shape Manufacturing (NAICS 326121): 2 of those shown
- Plastics Pipe and Pipe Fitting Manufacturing (NAICS 326122): 1 of those shown
All plastics and rubber manufacturing in Michigan: 444 facilities and Census job counts.