US Factory Map

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.

FacilityCityWhat EPA lists
Albar Industries, Inc.LapeerAll Other Plastics Product Manufacturing
Dgp Inc.MarletteAll Other Plastics Product Manufacturing
Dart Container Corporation of MichiganMasonAll Other Plastics Product Manufacturing
Great Lakes Composite, LLCOwossoAll Other Plastics Product Manufacturing
Lacks Industries IncKentwoodAll Other Plastics Product Manufacturing
Molded Plastic Industries, Inc.HoltAll Other Plastics Product Manufacturing
Mayco International, LLCSterling HtsAll Other Plastics Product Manufacturing
Advanced Fibermolding IncorporatedLeroyAll Other Plastics Product Manufacturing
Agco, IncRemusUnlaminated Plastics Profile Shape Manufacturing
Belding Tank Technologies, Inc.BeldingAll Other Plastics Product Manufacturing
Lexamar CorporationBoyne CityAll Other Plastics Product Manufacturing
Lyons IndustriesDowagiacAll Other Plastics Product Manufacturing
Romeo Rim, Inc. (B5854)RomeoAll Other Plastics Product Manufacturing
Warm Rain CorporationCalumetAll Other Plastics Product Manufacturing
National Composites-American Recreational ProductsFentonAll Other Plastics Product Manufacturing
Jaycor, IncBeldingAll Other Plastics Product Manufacturing
Cecil Composites, LLC (B1772)Mount ClemensAll Other Plastics Product Manufacturing
Jvis Mfg., LLCBenton HarborAll Other Plastics Product Manufacturing
New Boston Rtm, Inc.New BostonAll Other Plastics Product Manufacturing
Midwest Rubber CompanyDeckervilleAll Other Plastics Product Manufacturing
Pilkington North America, Inc.NilesAll Other Plastics Product Manufacturing
Tri-Clor, Inc.HastingsAll Other Plastics Product Manufacturing
West Michigan Molding, Inc.Grand HavenAll Other Plastics Product Manufacturing
Andronaco Industries (N5535)KentwoodPlastics Pipe and Pipe Fitting Manufacturing
Barrette Outdoor LivingFlintAll Other Plastics Product Manufacturing
Bdgn - DBA American Autocoat (N2283)Grand RapidsAll Other Plastics Product Manufacturing
Belmont Engineered Plastics, LLCBelmontAll Other Plastics Product Manufacturing
Carroll Products, Inc.Sterling HtsAll Other Plastics Product Manufacturing
Certainteed CorpJacksonAll Other Plastics Product Manufacturing
Creative Foam Corporation FenwayFentonAll Other Plastics Product Manufacturing
Dag Technology, Inc. (P1191)HollyAll Other Plastics Product Manufacturing
East Jordan Plastics Inc - East JordanEast JordanAll Other Plastics Product Manufacturing
Floracraft IncLudingtonAll Other Plastics Product Manufacturing
Grand Rapids Controls CoRockfordAll Other Plastics Product Manufacturing
Hastings Fiberglass ProductsHastingsAll Other Plastics Product Manufacturing
Huhtamaki IncColemanAll Other Plastics Product Manufacturing
International Automotive Components (Iac) GroupAlmaUnlaminated Plastics Profile Shape Manufacturing
Jac Products IncSalineAll Other Plastics Product Manufacturing
Lacks Enterprises IncKentwoodAll Other Plastics Product Manufacturing
Lacks Industries, Inc.Grand RapidsAll 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.