Plastic injection molding companies in Minnesota
Minnesota has 65 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 Stewartville, Minneapolis and Mankato. That is 2% of the 3,730 such facilities nationwide, and Minnesota ranks #18 of 49 states.
- Product
- Plastic injection molding companies
- Facilities
- 65
- State rank
- #18
- NAICS
- 326121, 326122, 326199
- Revised
- November 1, 2026
Facilities in Minnesota
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 |
|---|---|---|
| Carstens Industries Fiberglass Manufacturing | Melrose | All Other Plastics Product Manufacturing |
| Geotek LLC | Stewartville | Unlaminated Plastics Profile Shape Manufacturing |
| Strongwell ? Chatfield Division | Chatfield | Unlaminated Plastics Profile Shape Manufacturing |
| Fiberglas Fabricators Inc | Le Center | All Other Plastics Product Manufacturing |
| Filmtec Corporation | Edina | All Other Plastics Product Manufacturing |
| Precision Fiberglass Products Ltd | Grove City | All Other Plastics Product Manufacturing |
| Styrotech Inc | Brooklyn Park | All Other Plastics Product Manufacturing |
| Sunrise Fiberglass Of Minnesota, LLC | Wyoming | All Other Plastics Product Manufacturing |
| Cambria Co | Le Sueur | All Other Plastics Product Manufacturing |
| Carfair Composites USA Inc | Saint Cloud | All Other Plastics Product Manufacturing |
| Douglas Corp - Eden Prairie | Eden Prairie | Unlaminated Plastics Profile Shape Manufacturing |
| 7-Sigma Inc | Minneapolis | All Other Plastics Product Manufacturing |
| Commercial Plastics Mora LLC | Mora | All Other Plastics Product Manufacturing |
| Douglas Corp - Plating Division | Saint Louis Park | All Other Plastics Product Manufacturing |
| Nordictrack Incorporated | Glencoe | All Other Plastics Product Manufacturing |
| Uponor Inc | Hutchinson | Plastics Pipe and Pipe Fitting Manufacturing |
| 3M - Fairmont | Fairmont | All Other Plastics Product Manufacturing |
| A-Tek | Brainerd | All Other Plastics Product Manufacturing |
| Acrotech Inc | Lake City | All Other Plastics Product Manufacturing |
| Amesbury Group Inc Plastic Profiles Div | Cannon Falls | All Other Plastics Product Manufacturing |
| Andersen Corp - North Branch | North Branch | All Other Plastics Product Manufacturing |
| Aspen Research Corp | White Bear Lake | All Other Plastics Product Manufacturing |
| Aspen Research Corp | Osseo | All Other Plastics Product Manufacturing |
| Atlas Alchem Plastics Inc | Mankato | Unlaminated Plastics Profile Shape Manufacturing |
| Beacon Engineered Solutions | Alexandria | All Other Plastics Product Manufacturing |
| Bosch Security Systems, Inc. | Glencoe | All Other Plastics Product Manufacturing |
| Carlson Engineered Composites USA Inc | St. Cloud | All Other Plastics Product Manufacturing |
| Closed Molded Inc | Grygla | All Other Plastics Product Manufacturing |
| Colorware Inc | Winona | All Other Plastics Product Manufacturing |
| Cpi A Division Of Core Moldin | Winona | All Other Plastics Product Manufacturing |
| Cpi Card Group | Saint Paul | All Other Plastics Product Manufacturing |
| Douglas Corp - Mpls | Minneapolis | Unlaminated Plastics Profile Shape Manufacturing |
| Duo Plastics Inc | Farmington | All Other Plastics Product Manufacturing |
| Entegris B3 | Chaska | All Other Plastics Product Manufacturing |
| Federal Package Network | Chanhassen | All Other Plastics Product Manufacturing |
| Founders Fiberglass LLC | Park Rapids | All Other Plastics Product Manufacturing |
| Gemini Inc | Cannon Falls | All Other Plastics Product Manufacturing |
| General Foam Of Minnesota Inc | Saint Paul | All Other Plastics Product Manufacturing |
| Geotek (G3) | Stewartville | Unlaminated Plastics Profile Shape Manufacturing |
| Geotek LLC (G2) | Stewartville | Unlaminated Plastics Profile Shape 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
- Stewartville: 3
- Minneapolis: 3
- Mankato: 3
- Saint Paul: 3
- Le Sueur: 2
- Mora: 2
By product code
- All Other Plastics Product Manufacturing (NAICS 326199): 32 of those shown
- Unlaminated Plastics Profile Shape Manufacturing (NAICS 326121): 7 of those shown
- Plastics Pipe and Pipe Fitting Manufacturing (NAICS 326122): 1 of those shown
All plastics and rubber manufacturing in Minnesota: 128 facilities and Census job counts.