| AIAalberts Integrated Piping System Americas | Myrtle Beach | SC | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| BEBriteline Extrusions INC | Summerville | SC | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| IDImperial Die Casting | Liberty | SC | Primary Metal Manufacturing331521 | 100-499 | ◐ LIKELY ACTIVE |
| PPPrysmian Power Cables and Systems Usa, LLC | Abbeville | SC | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| AOAlumax of South Carolina INC | Goose Creek | SC | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |
| BZBefesa Zinc US INC | Barnwell | SC | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| NCNucor CORP - Darlington Plant | Darlington | SC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| TMTalley Metals Technology | Mcbee | SC | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| CIConbraco Industries INC Apollo Assemble Plant | Pageland | SC | Primary Metal Manufacturing331529 | — | ◐ LIKELY ACTIVE |
| TITrucast INC | Newberry | SC | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
Mendenhall Industries CORP | Myrtle Beach | SC | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| ASAdams Scrap Recycling LLC | Greenville | SC | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| ASAmerican Stainless & Alloy Products | Darlington | SC | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ATApex Tool Group - Sumter | Sumter | SC | Primary Metal Manufacturing331512 | 20-99 | ◐ LIKELY ACTIVE |
| IMInterlake Mecalux Sumter | Sumter | SC | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| KIKiswire, INC. | Newberry | SC | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| NENewark Electronics Gaffney Distribution | Gaffney | SC | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| RMReplacement Metal Castings Dba Carolina Metal Castings | Hardeeville | SC | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| SUSundaram-clayton USA LLC | Ridgeville | SC | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| ZPZapp Precision Wire INC | Summerville | SC | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| ZMZeb Metals | Moncks Corner | SC | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| OIOwt Industries | Pickens | SC | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| WSWmc Steel Sc LLC | Saint Matthews | SC | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| BMBASF Metals Converse | Spartanburg | SC | Primary Metal Manufacturing331492 | 20-99 | ◐ LIKELY ACTIVE |
| FSFlorence SC RC | Florence | SC | Primary Metal Manufacturing331492 | 1-19 | ◐ LIKELY ACTIVE |
| GGGSC - Groundworks Supply Chain | Columbia | SC | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| HHartsville | Mcbee | SC | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| HSHodges SC Facility | Hodges | SC | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| LHLapham - Hickey Steel | Fountain Inn | SC | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| LELevy Environmental Services Company dba Charleston Mill Service | Huger | SC | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| MIMar-Mac Industries, Inc. | Mcbee | SC | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| MTMechanical Technologies LLC | Walterboro | SC | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| NSNucor Skyline Steel LLC | Rock Hil | SC | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| OOrangeburg | Cope | SC | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| POPageland Operations | Pageland | SC | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| ZAZEB Aluminum, LLC | Goose Creek | SC | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |