US Factory Map

Plastic injection molding companies in South Carolina

South Carolina has 81 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 Spartanburg, Estill and Aiken. That is 2% of the 3,730 such facilities nationwide, and South Carolina ranks #17 of 49 states.

Product
Plastic injection molding companies
Facilities
81
State rank
#17
NAICS
326121, 326122, 326199
Revised
November 1, 2026

Facilities in South Carolina

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
Augusta Fiberglass Coatings IncBlackvilleAll Other Plastics Product Manufacturing
Core Molding Technologies IncGaffneyAll Other Plastics Product Manufacturing
Leisure Pools And Spas Manufacturing North America IncMarionAll Other Plastics Product Manufacturing
Wilbert, Inc.EasleyAll Other Plastics Product Manufacturing
Cryovac SimpsonvilleSimpsonvilleAll Other Plastics Product Manufacturing
Cutting Edge Composites IncSummervilleAll Other Plastics Product Manufacturing
Engineered CompositesColumbiaAll Other Plastics Product Manufacturing
Pactiv Corp - Beech IslandBeech IslandAll Other Plastics Product Manufacturing
Valmont Composite Structures EstillEstillAll Other Plastics Product Manufacturing
Valmont Composite Structures NewberryNewberryAll Other Plastics Product Manufacturing
Alaglas PoolsSaint MatthewsAll Other Plastics Product Manufacturing
Barrier Reef Pools LLCTimmonsvilleAll Other Plastics Product Manufacturing
Cooper StandardSpartanburgAll Other Plastics Product Manufacturing
Plastech EngineeredWinnsboroAll Other Plastics Product Manufacturing
Xerxes BlythewoodBlythewoodAll Other Plastics Product Manufacturing
Kohler Co. - Spartanburg PlantSpartanburgAll Other Plastics Product Manufacturing
Mack Molding CompanyInmanUnlaminated Plastics Profile Shape Manufacturing
Valmet IncAikenUnlaminated Plastics Profile Shape Manufacturing
Zeus:orangeburg-Magnolia StreetOrangeburgUnlaminated Plastics Profile Shape Manufacturing
Atlantic Shutter SystemsLattaAll Other Plastics Product Manufacturing
Flexible Technolgies IncAbbevilleUnlaminated Plastics Profile Shape Manufacturing
North American Filtration CompanyDenmarkAll Other Plastics Product Manufacturing
Rmax Operating LLCGreerUnlaminated Plastics Profile Shape Manufacturing
Signode Industrial Group LLCLattaAll Other Plastics Product Manufacturing
Zeus Company IncAikenUnlaminated Plastics Profile Shape Manufacturing
Alcoa Home Exteriors IncGaffneyUnlaminated Plastics Profile Shape Manufacturing
Athena Surfaces, LLCHardeevilleAll Other Plastics Product Manufacturing
Mergon CorporationAndersonAll Other Plastics Product Manufacturing
Plasman Sc IncGreerAll Other Plastics Product Manufacturing
Ridan Composites LLCIrmoAll Other Plastics Product Manufacturing
Zeus Company IncGastonUnlaminated Plastics Profile Shape Manufacturing
Cryovac Division Sealed Air CorporationDuncanAll Other Plastics Product Manufacturing
Fabri Kal CorporationPiedmontAll Other Plastics Product Manufacturing
Newmark International IncorporatedEstillAll Other Plastics Product Manufacturing
Parkway Products IncSenecaAll Other Plastics Product Manufacturing
Patheon West Florence (Was Irix Pharmaceuticals)FlorenceUnlaminated Plastics Profile Shape Manufacturing
ThermaflexAbbevilleAll Other Plastics Product Manufacturing
Zeus Asc Aiken Manufacturing FacilityAikenUnlaminated Plastics Profile Shape Manufacturing
Alliedsignal:closedOrangeburgUnlaminated Plastics Profile Shape Manufacturing
Augusta Fiberglas Coatings IncBlackvilleAll 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

  • Spartanburg: 7
  • Estill: 3
  • Aiken: 3
  • Abbeville: 3
  • Greer: 3
  • Gaston: 3

By product code

  • All Other Plastics Product Manufacturing (NAICS 326199): 29 of those shown
  • Unlaminated Plastics Profile Shape Manufacturing (NAICS 326121): 11 of those shown

All plastics and rubber manufacturing in South Carolina: 151 facilities and Census job counts.