| MMeritor | York | SC | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| MAMonroe Auto Equipment Company | Anderson | SC | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| OEOpmobility Exterior Usa, LLC | Duncan | SC | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| PCPenn Craft LLC | Dorchester | SC | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| PRPhoenix Racing INC | Spartanburg | SC | Transportation Equipment Manufacturing336999 | — | ◇ UNVERIFIED |
| PGProterra Greenville Battery Factory | Greer | SC | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| SHSea Hunt Boat- Closed | Lexington | SC | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| SDSiemens Diesel Systems Technology | Blythewood | SC | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| SCSouth Carolina Yutaka Technologies | Lugoff | SC | Transportation Equipment Manufacturing336330 | — | ◇ UNVERIFIED |
| SCSpx Corporation | Lugoff | SC | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| TCTamper Corporation | West Columbia | SC | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| UCUS Coast Guard Charleston | Charleston | SC | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| ZSZeuna Starker USA Incorporated | Spartanburg | SC | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| AAdP | Anderson | SC | Transportation Equipment Manufacturing336310 | 500+ | ◐ LIKELY ACTIVE |
| ASAURIA Spartanburg | Spartanburg | SC | Transportation Equipment Manufacturing336360 | 100-499 | ◐ LIKELY ACTIVE |
| BTBatesville Tool & Die SC INC | Aiken | SC | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| BIBCA (Kent International Inc) | Manning | SC | Transportation Equipment Manufacturing336991 | 20-99 | ◐ LIKELY ACTIVE |
| BABenteler Automotive Corp | Duncan | SC | Transportation Equipment Manufacturing336110 | 100-499 | ◐ LIKELY ACTIVE |
| BUBorgers USA Inc | Duncan | SC | Transportation Equipment Manufacturing336360 | 20-99 | ◐ LIKELY ACTIVE |
| BUBoysen USA Spartanburg | Spartanburg | SC | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| CECapecraft Enterprises LLC | Mount Pleasant | SC | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| CICharleston Industrial and Marine Repair LLC | North Charleston | SC | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| CSCitadel Shipworks, LLC | Mount Pleasant | SC | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CTCoast to Coast Welding Fabrication & Repair LLC | Summerville | SC | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| CSColumbia SC - Augusta | Lexington | SC | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| CGCondc1 Greer Perf Center | Spartanburg | SC | Transportation Equipment Manufacturing336111 | 20-99 | ◐ LIKELY ACTIVE |
| CSCooper Standard - Spartanburg | Boiling Springs | SC | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| CLCreative Liquid Coatings, Inc. Newberry | Newberry | SC | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| CICummins Inc. | Manning | SC | Transportation Equipment Manufacturing336999 | 100-499 | ◐ LIKELY ACTIVE |
| DIDecostar Industries | Piedmont | SC | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
| DADrt Aerospace, LLC | Simpsonville | SC | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
EthosEnergy Accessories and Components Duncan | Duncan | SC | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| FFFab Fours | Lancaster | SC | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| FIFountain Inn | Fountain Inn | SC | Electrical Equipment, Appliance & Component Manufacturing335311 | 500+ | ◐ LIKELY ACTIVE |
| GNGeismar North America Inc. | Beaufort | SC | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Land Systems-force Protection INC | Edgefield | SC | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| GMGreeneville Meyer | Greenville | SC | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| HIHuntington Ingalls INC | Goose Creek | SC | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| IMIntegrated Manufacturing Greenville SC | Piedmont | SC | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| IIpp | Bennettsville | SC | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| JSJackson SC Wheelshop | Jackson | SC | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| JBJoint Base Charleston, SC (SC006) | Joint Base Charleston | SC | Transportation Equipment Manufacturing336411 | 100-499 | ◐ LIKELY ACTIVE |
| JAJTEKT Automotive South Carolina | Piedmont | SC | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| KYKeel - Yonges Island | Hollywood | SC | Transportation Equipment Manufacturing336611 | 100-499 | ◐ LIKELY ACTIVE |
| KTKnapheide Truck Equipment -Charleston | Moncks Corner | SC | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| LSLancaster, SC | Lancaster | SC | Transportation Equipment Manufacturing336510 | 1-19 | ◐ LIKELY ACTIVE |
| LCLear Corporation - Duncan | Duncan | SC | Transportation Equipment Manufacturing336360 | 500+ | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation LM Aircraft Logistics Center (1524) | Greenville | SC | Transportation Equipment Manufacturing336411 | 500+ | ◐ LIKELY ACTIVE |
| LDLugoff - Dana Incorporated | Lugoff | SC | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| MMMagna Mirrors | Duncan | SC | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |