| FAFehrer Automotive North America LLC | Duncan | 100–499 | ◐ LIKELY ACTIVE |
| PSPlasman Sc INC | Greer | 500+ | ◐ LIKELY ACTIVE |
| MNMichelin North America INC - Spartanburg Facility (us3) | Spartanburg | — | ◐ LIKELY ACTIVE |
| CACooper-standard Automotive, Inc, | Spartanburg | — | ◇ UNVERIFIED |
| CDCryovac Division Sealed Air Corporation | Duncan | — | ◇ UNVERIFIED |
| PDPhillips Driscopipe Incorporated | Startex | — | ◇ UNVERIFIED |
| IPInsulfab Plastics INC | Spartanburg | — | ◐ LIKELY ACTIVE |
| PPPerformance Pipe Startex Plant | Wellford | 20–99 | ◐ LIKELY ACTIVE |
| CSCooper Standard | Spartanburg | — | ◐ LIKELY ACTIVE |
| KCKohler CO. - Spartanburg Plant | Spartanburg | — | ◐ LIKELY ACTIVE |
| CSCoveris Spartanburg | Spartanburg | — | ◇ UNVERIFIED |
| GSGoodyear Spartanburg | Spartanburg | — | ◇ UNVERIFIED |
| HWHolcim - Wellford Facility | Wellford | — | ◇ UNVERIFIED |
| ITIntelicoat Technologies-closed | Spartanburg | — | ◇ UNVERIFIED |
| NCNemato Corporation | Spartanburg | — | ◇ UNVERIFIED |
| TPTegrant Property Holdings, LLC | Spartanburg | — | ◇ UNVERIFIED |
| TITuscarora INC - Closed | Spartanburg | — | ◇ UNVERIFIED |
| WWWurth Wood Group Greenville | Greer | — | ◇ UNVERIFIED |
| AGAlleguard - Greer | Greer | 20–99 | ◐ LIKELY ACTIVE |
| DPDrug Plastics and Glass Co., Inc. - Spartanburg, SC | Spartanburg | 20–99 | ◐ LIKELY ACTIVE |
| DDuncan | Duncan | 100–499 | ◐ LIKELY ACTIVE |
| IWIPS- Water-Tite ProSet Plastics | Spartanburg | 20–99 | ◐ LIKELY ACTIVE |
ISCO Industries, Inc - Startex | Wellford | 1–19 | ◐ LIKELY ACTIVE |
| MMMack Molding Company - Inman, SC | Inman | 100–499 | ◐ LIKELY ACTIVE |
| MNMariplast North America | Greer | 20–99 | ◐ LIKELY ACTIVE |
| MSMichelin-US3 Spartanburg | Spartanburg | 500+ | ◐ LIKELY ACTIVE |
| RARoechling Automotive | Duncan | 100–499 | ◐ LIKELY ACTIVE |
| SASealed Air Corporation-Duncan Innovation | Duncan | 20–99 | ◐ LIKELY ACTIVE |
| SSouth | Spartanburg | 20–99 | ◐ LIKELY ACTIVE |
| SSpartanburg | Spartanburg | 100–499 | ◐ LIKELY ACTIVE |
| SASpartanburg Alloyd - A310 | Spartanburg | 20–99 | ◐ LIKELY ACTIVE |
| TPTranscontinental Packaging Spartanburg | Spartanburg | 100–499 | ◐ LIKELY ACTIVE |
| VUVPET USA - Greer | Greer | 20–99 | ◐ LIKELY ACTIVE |
| WWellford | Wellford | 100–499 | ◐ LIKELY ACTIVE |
| EPEpsilon Plastics INC | Spartanburg | — | ◇ UNVERIFIED |
| HFHuntington Foam Solutions | Greer | — | ◇ UNVERIFIED |
| MMMack Molding CO | Inman | — | ◇ UNVERIFIED |
| MMichelin:duncan | Duncan | — | ◇ UNVERIFIED |
| MNMichelin North America INC | Woodruff | — | ◇ UNVERIFIED |
| PSPlastex Supply CO INC | Greer | — | ◇ UNVERIFIED |
| PSPolydeck Screen Corporation | Spartanburg | — | ◇ UNVERIFIED |
| RBRam Board | Greer | — | ◇ UNVERIFIED |
| RPRoebuck Plastics & Machining INC | Moore | — | ◇ UNVERIFIED |
| SASealed Air Corporation | Duncan | — | ◇ UNVERIFIED |
| SCSouthland Container Group | Spartanburg | — | ◇ UNVERIFIED |