| CICastalloy INC Walterboro | Walterboro | SC | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| CSCharleston Steel and Metal Company | North Charleston | SC | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| CCCmc - Commercial Metals CO Recycling | Spartanburg | SC | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
| DSDarlington Shredding INC | Darlington | SC | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| ECEfco CORP | Barnwell | SC | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| GCGaston Copper Recycling CORP | Gaston | SC | Primary Metal Manufacturing331423 | — | ◇ UNVERIFIED |
| GFGrede Foundry | Greenwood | SC | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| MMMk Metalfoils USA INC | Duncan | SC | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| NCNucor Cold Finishing | Darlington | SC | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| OSOutokumpu Stainless Bar INC | Richburg | SC | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| PSPhoenix Services LLC Georgetown | Georgetown | SC | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| PCPrysmian Communicatios Cables & Sys | Lexington | SC | Primary Metal Manufacturing331319 | — | ◇ UNVERIFIED |
| SASouthern Aluminum Foundry:clinton | Clinton | SC | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| SASouthern Aluminum Foundry & Machine INC - Laurens | Laurens | SC | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| STSteel Technologies Lcc | Huger | SC | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| WAWells Aluminum Corporation | Belton | SC | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| WCWheelabrator Cast Product | Walterboro | SC | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| ZUZapp USA Ergste Westig South Carolina LP | Summerville | SC | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| 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 |
| 1U115 Usac Drive | Duncan | SC | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| AIAmstarr INC | Chesnee | SC | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| AIAvm INC | Marion | SC | Primary Metal Manufacturing331112 | — | ◇ UNVERIFIED |
| BEBuck Enterprise LLC | Blythewood | SC | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| CACentury Aluminum of South Carolina INC | Goose Creek | SC | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| COClothes on Wheels | Elgin | SC | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| CCCmc Construction Services | Columbia | SC | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| CCometals | Cayce | SC | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| DSDarlington Shredding | Darlington | SC | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| DRDayton Rogers Manufacturing company | Newberry | SC | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| HIHarvey Industries Die Casting LLC | Aiken | SC | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| IWInsteel Wire Products Company | Summerville | SC | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| KMKelco Metals INC | Mount Pleasant | SC | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| LGLarrimore Golf Car Specialties LLC | Conway | SC | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| LLLaurentec LLC | Summerville | SC | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| LOLive Oak Metal Works & Supply, LLC | Florence | SC | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| NCNucor Corporation | Huger | SC | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| SCSynehi Casting | Greenwood | SC | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| TEThe Esab Group INC | Union | SC | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
