| BCBeach Company | Wando | — | ◇ UNVERIFIED |
| BABgm America INC | Marion | — | ◇ UNVERIFIED |
| BMBluewater Marine Group Plant 1 | Newberry | — | ◇ UNVERIFIED |
| CSCalibogue Skiffs LLC | Hilton Head Island | — | ◇ UNVERIFIED |
| CCCamtech Custom Baggers | Summerville | — | ◇ UNVERIFIED |
| CUCarbures USA INC | Greenville | — | ◇ UNVERIFIED |
 Carolina Composites LLC | Summerville | — | ◇ UNVERIFIED |
| CRCaterpillar Reman Powertrain Services INC | Summerville | — | ◇ UNVERIFIED |
| CBCharleston Boatyard Marina | North Charleston | — | ◇ UNVERIFIED |
| CCsci | Goose Creek | — | ◇ UNVERIFIED |
| CICummins INC Ctc Charleston | Charleston | — | ◇ UNVERIFIED |
| CTCummins Technical Center | North Charleston | — | ◇ UNVERIFIED |
| DRDefender Racing Products, LLC | Ninety Six | — | ◇ UNVERIFIED |
| DSDefender Services INC | Cheraw | — | ◇ UNVERIFIED |
| DSDetyens Shipyard, INC. | North Charleston | — | ◇ UNVERIFIED |
| DSDetyens Shipyard Mt Pleasant | Mount Pleasant | — | ◇ UNVERIFIED |
| DADrive Automotive Industries, INC. Dba Magna International | Piedmont | — | ◇ UNVERIFIED |
| ESElbit Systems of America, Ladson- Fmf Programs | Ladson | — | ◇ UNVERIFIED |
| ESElbit Systems of America, Ladson- Usa- Programs | Ladson | — | ◇ UNVERIFIED |
| EBEncore Boatbuilders LLC | Lexington | — | ◇ UNVERIFIED |
| EMEngineered Metals & Composites INC | West Columbia | — | ◇ UNVERIFIED |
| FEF3 Engineering | Spartanburg | — | ◇ UNVERIFIED |
| FMFenix Manufacturing Solutions LLC | Aiken | — | ◇ UNVERIFIED |
| FFFram Filtration | York | — | ◇ UNVERIFIED |
| GAGkn Aerospace Orangeburg | Orangeburg | — | ◇ UNVERIFIED |
| GLGratimax LLC | Chesnee | — | ◇ UNVERIFIED |
| GDGreenville Distribution Center | Piedmont | — | ◇ UNVERIFIED |
| GMGreenville Molding Center | Piedmont | — | ◇ UNVERIFIED |
| HMHague Marina | Myrtle Beach | — | ◇ UNVERIFIED |
| HRHarsco Rail a Division of Harsco Corporation | West Columbia | — | ◇ UNVERIFIED |
| HIHighlands Industries INC | Cheraw | — | ◇ UNVERIFIED |
| JAJust Aircraft LLC | Walhalla | — | ◇ UNVERIFIED |
| KWKey West Boats - Plant 3 | Ridgeville | — | ◇ UNVERIFIED |
| KOKing of Carts | West Columbia | — | ◇ UNVERIFIED |
| LBLeader Boats-closed | West Columbia | — | ◇ UNVERIFIED |
| LSLMK Socal Realty LLC | Ladson | — | ◇ UNVERIFIED |
| LMLockheed Martin Afs Iraq F-16 Cls | Greenville | — | ◇ UNVERIFIED |
| MAMagna Assembly Piedmont | Piedmont | — | ◇ UNVERIFIED |
| MEMagna Exteriors and Interiors USA INC | Spartanburg | — | ◇ UNVERIFIED |
| MBMahle Behr Charleston INC. | North Charleston | — | ◇ UNVERIFIED |
 Main Industries, INC. | North Charleston | — | ◇ UNVERIFIED |
 Marine Propulsion, INC. | Wadmalaw Island | — | ◇ UNVERIFIED |
| MRMarine Repair & Maintenance, INC. | North Charleston | — | ◇ UNVERIFIED |
| MMMaritec - Metpro Corporation | Greenville | — | ◇ UNVERIFIED |
| MPMaster Power Transmission INC | Greenville | — | ◇ UNVERIFIED |
| MVMckechnie Vehicle Components | Newberry | — | ◇ UNVERIFIED |
 Metal Trades: Cooper River | North Charleston | — | ◇ UNVERIFIED |
| MIMinileit INC | Greenville | — | ◇ UNVERIFIED |
| MTMi Tide Boats LLC | Georgetown | — | ◇ UNVERIFIED |
| MOMorgan Olson North Charleston | N Charleston | — | ◇ UNVERIFIED |
