US Factory Map

Plastic injection molding companies in Colorado

Colorado has 38 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 Longmont, Denver and Colorado Springs. That is 1% of the 3,730 such facilities nationwide, and Colorado ranks #28 of 49 states.

Product
Plastic injection molding companies
Facilities
38
State rank
#28
NAICS
326121, 326122, 326199
Revised
November 1, 2026

Facilities in Colorado

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.

FacilityCityWhat EPA lists
Abc IndustriesGrand JunctionPlastics Pipe and Pipe Fitting Manufacturing
C F Maier Composites IncorporatedLamarAll Other Plastics Product Manufacturing
Vestas Blades America, IncWindsorAll Other Plastics Product Manufacturing
Vestas Nacelles America IncBrightonAll Other Plastics Product Manufacturing
Associated Thermoforming IncBerthoudAll Other Plastics Product Manufacturing
Avedon Engineering IncLongmontAll Other Plastics Product Manufacturing
E J Painting & Fiberglass IncBrightonAll Other Plastics Product Manufacturing
EntegrisColorado SpringsAll Other Plastics Product Manufacturing
Genesis Plastics TechnologiesGreeleyAll Other Plastics Product Manufacturing
Grace DavisonLittletonAll Other Plastics Product Manufacturing
Manstone IncColorado SpringsAll Other Plastics Product Manufacturing
Merck & Co, LLCBoulderAll Other Plastics Product Manufacturing
Plastics Design & ManufacturingEnglewoodAll Other Plastics Product Manufacturing
SutrakLamarUnlaminated Plastics Profile Shape Manufacturing
Trelleborg Sealing SolutionsLouisvilleAll Other Plastics Product Manufacturing
American Variseal CorpBroomfieldAll Other Plastics Product Manufacturing
Avid Product Development LLCLovelandAll Other Plastics Product Manufacturing
BoomerangLongmontAll Other Plastics Product Manufacturing
Carpenter Company IncDenverUnlaminated Plastics Profile Shape Manufacturing
Ccw Products IncArvadaAll Other Plastics Product Manufacturing
Century Plastics & Engineering IncLongmontAll Other Plastics Product Manufacturing
Checkers Industrial Safety ProductsBroomfieldAll Other Plastics Product Manufacturing
Complex Tooling & Molding IncBoulderAll Other Plastics Product Manufacturing
Container Industries IncDenverAll Other Plastics Product Manufacturing
Elkhart Plastics, Inc.LittletonAll Other Plastics Product Manufacturing
Front Range Tooling IncFrederickAll Other Plastics Product Manufacturing
Goldberg Brothers IncorporatedDenverAll Other Plastics Product Manufacturing
J-M Manufacturing Co., Inc. DBA Jm EaglePueblo WestPlastics Pipe and Pipe Fitting Manufacturing
Lagado CorporationEnglewoodAll Other Plastics Product Manufacturing
Maruho Plastics Solutions Inc DBA Relucent Plastics SolutionsErieAll Other Plastics Product Manufacturing
Medegen Medical Products, LLCNorthglennAll Other Plastics Product Manufacturing
Niagara Bottling Gun Club Road PropertiesAuroraAll Other Plastics Product Manufacturing
Nypro Colorado IncLongmontAll Other Plastics Product Manufacturing
Plastics Design & Mfg IncDenverAll Other Plastics Product Manufacturing
Plastron, Division Of Tekni-Plex, Inc.cnLakewoodUnlaminated Plastics Profile Shape Manufacturing
Value Plastics DBA Nordson MedicalLovelandAll Other Plastics Product Manufacturing
Westrock Colorado Cards LLCCentennialAll Other Plastics Product Manufacturing
Woodford Manufacturing Building AdditionColorado SpringsAll 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

  • Longmont: 4
  • Denver: 4
  • Colorado Springs: 3
  • Lamar: 2
  • Brighton: 2
  • Littleton: 2

By product code

  • All Other Plastics Product Manufacturing (NAICS 326199): 33
  • Unlaminated Plastics Profile Shape Manufacturing (NAICS 326121): 3
  • Plastics Pipe and Pipe Fitting Manufacturing (NAICS 326122): 2

All plastics and rubber manufacturing in Colorado: 72 facilities and Census job counts.