US Factory Map

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.

FacilityCityWhat EPA lists
Carstens Industries Fiberglass ManufacturingMelroseAll Other Plastics Product Manufacturing
Geotek LLCStewartvilleUnlaminated Plastics Profile Shape Manufacturing
Strongwell ? Chatfield DivisionChatfieldUnlaminated Plastics Profile Shape Manufacturing
Fiberglas Fabricators IncLe CenterAll Other Plastics Product Manufacturing
Filmtec CorporationEdinaAll Other Plastics Product Manufacturing
Precision Fiberglass Products LtdGrove CityAll Other Plastics Product Manufacturing
Styrotech IncBrooklyn ParkAll Other Plastics Product Manufacturing
Sunrise Fiberglass Of Minnesota, LLCWyomingAll Other Plastics Product Manufacturing
Cambria CoLe SueurAll Other Plastics Product Manufacturing
Carfair Composites USA IncSaint CloudAll Other Plastics Product Manufacturing
Douglas Corp - Eden PrairieEden PrairieUnlaminated Plastics Profile Shape Manufacturing
7-Sigma IncMinneapolisAll Other Plastics Product Manufacturing
Commercial Plastics Mora LLCMoraAll Other Plastics Product Manufacturing
Douglas Corp - Plating DivisionSaint Louis ParkAll Other Plastics Product Manufacturing
Nordictrack IncorporatedGlencoeAll Other Plastics Product Manufacturing
Uponor IncHutchinsonPlastics Pipe and Pipe Fitting Manufacturing
3M - FairmontFairmontAll Other Plastics Product Manufacturing
A-TekBrainerdAll Other Plastics Product Manufacturing
Acrotech IncLake CityAll Other Plastics Product Manufacturing
Amesbury Group Inc Plastic Profiles DivCannon FallsAll Other Plastics Product Manufacturing
Andersen Corp - North BranchNorth BranchAll Other Plastics Product Manufacturing
Aspen Research CorpWhite Bear LakeAll Other Plastics Product Manufacturing
Aspen Research CorpOsseoAll Other Plastics Product Manufacturing
Atlas Alchem Plastics IncMankatoUnlaminated Plastics Profile Shape Manufacturing
Beacon Engineered SolutionsAlexandriaAll Other Plastics Product Manufacturing
Bosch Security Systems, Inc.GlencoeAll Other Plastics Product Manufacturing
Carlson Engineered Composites USA IncSt. CloudAll Other Plastics Product Manufacturing
Closed Molded IncGryglaAll Other Plastics Product Manufacturing
Colorware IncWinonaAll Other Plastics Product Manufacturing
Cpi A Division Of Core MoldinWinonaAll Other Plastics Product Manufacturing
Cpi Card GroupSaint PaulAll Other Plastics Product Manufacturing
Douglas Corp - MplsMinneapolisUnlaminated Plastics Profile Shape Manufacturing
Duo Plastics IncFarmingtonAll Other Plastics Product Manufacturing
Entegris B3ChaskaAll Other Plastics Product Manufacturing
Federal Package NetworkChanhassenAll Other Plastics Product Manufacturing
Founders Fiberglass LLCPark RapidsAll Other Plastics Product Manufacturing
Gemini IncCannon FallsAll Other Plastics Product Manufacturing
General Foam Of Minnesota IncSaint PaulAll Other Plastics Product Manufacturing
Geotek (G3)StewartvilleUnlaminated Plastics Profile Shape Manufacturing
Geotek LLC (G2)StewartvilleUnlaminated 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.