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.
| Facility | City | What EPA lists |
|---|---|---|
| Augusta Fiberglass Coatings Inc | Blackville | All Other Plastics Product Manufacturing |
| Core Molding Technologies Inc | Gaffney | All Other Plastics Product Manufacturing |
| Leisure Pools And Spas Manufacturing North America Inc | Marion | All Other Plastics Product Manufacturing |
| Wilbert, Inc. | Easley | All Other Plastics Product Manufacturing |
| Cryovac Simpsonville | Simpsonville | All Other Plastics Product Manufacturing |
| Cutting Edge Composites Inc | Summerville | All Other Plastics Product Manufacturing |
| Engineered Composites | Columbia | All Other Plastics Product Manufacturing |
| Pactiv Corp - Beech Island | Beech Island | All Other Plastics Product Manufacturing |
| Valmont Composite Structures Estill | Estill | All Other Plastics Product Manufacturing |
| Valmont Composite Structures Newberry | Newberry | All Other Plastics Product Manufacturing |
| Alaglas Pools | Saint Matthews | All Other Plastics Product Manufacturing |
| Barrier Reef Pools LLC | Timmonsville | All Other Plastics Product Manufacturing |
| Cooper Standard | Spartanburg | All Other Plastics Product Manufacturing |
| Plastech Engineered | Winnsboro | All Other Plastics Product Manufacturing |
| Xerxes Blythewood | Blythewood | All Other Plastics Product Manufacturing |
| Kohler Co. - Spartanburg Plant | Spartanburg | All Other Plastics Product Manufacturing |
| Mack Molding Company | Inman | Unlaminated Plastics Profile Shape Manufacturing |
| Valmet Inc | Aiken | Unlaminated Plastics Profile Shape Manufacturing |
| Zeus:orangeburg-Magnolia Street | Orangeburg | Unlaminated Plastics Profile Shape Manufacturing |
| Atlantic Shutter Systems | Latta | All Other Plastics Product Manufacturing |
| Flexible Technolgies Inc | Abbeville | Unlaminated Plastics Profile Shape Manufacturing |
| North American Filtration Company | Denmark | All Other Plastics Product Manufacturing |
| Rmax Operating LLC | Greer | Unlaminated Plastics Profile Shape Manufacturing |
| Signode Industrial Group LLC | Latta | All Other Plastics Product Manufacturing |
| Zeus Company Inc | Aiken | Unlaminated Plastics Profile Shape Manufacturing |
| Alcoa Home Exteriors Inc | Gaffney | Unlaminated Plastics Profile Shape Manufacturing |
| Athena Surfaces, LLC | Hardeeville | All Other Plastics Product Manufacturing |
| Mergon Corporation | Anderson | All Other Plastics Product Manufacturing |
| Plasman Sc Inc | Greer | All Other Plastics Product Manufacturing |
| Ridan Composites LLC | Irmo | All Other Plastics Product Manufacturing |
| Zeus Company Inc | Gaston | Unlaminated Plastics Profile Shape Manufacturing |
| Cryovac Division Sealed Air Corporation | Duncan | All Other Plastics Product Manufacturing |
| Fabri Kal Corporation | Piedmont | All Other Plastics Product Manufacturing |
| Newmark International Incorporated | Estill | All Other Plastics Product Manufacturing |
| Parkway Products Inc | Seneca | All Other Plastics Product Manufacturing |
| Patheon West Florence (Was Irix Pharmaceuticals) | Florence | Unlaminated Plastics Profile Shape Manufacturing |
| Thermaflex | Abbeville | All Other Plastics Product Manufacturing |
| Zeus Asc Aiken Manufacturing Facility | Aiken | Unlaminated Plastics Profile Shape Manufacturing |
| Alliedsignal:closed | Orangeburg | Unlaminated Plastics Profile Shape Manufacturing |
| Augusta Fiberglas Coatings Inc | Blackville | All 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.