| AWAndrews Wire Products CO | Andrews | — | ◇ UNVERIFIED |
| BWBelden Wire and Cable CO | Fort Mill | — | ◇ UNVERIFIED |
| CICastalloy INC Walterboro | Walterboro | — | ◇ UNVERIFIED |
| CSCharleston Steel and Metal Company | North Charleston | — | ◇ UNVERIFIED |
| CCCmc - Commercial Metals CO Recycling | Spartanburg | — | ◇ UNVERIFIED |
| DSDarlington Shredding INC | Darlington | — | ◇ UNVERIFIED |
| ECEfco CORP | Barnwell | — | ◇ UNVERIFIED |
| GCGaston Copper Recycling CORP | Gaston | — | ◇ UNVERIFIED |
| GFGrede Foundry | Greenwood | — | ◇ UNVERIFIED |
| MMMk Metalfoils USA INC | Duncan | — | ◇ UNVERIFIED |
| NCNucor Cold Finishing | Darlington | — | ◇ UNVERIFIED |
| OSOutokumpu Stainless Bar INC | Richburg | — | ◇ UNVERIFIED |
| PSPhoenix Services LLC Georgetown | Georgetown | — | ◇ UNVERIFIED |
| PCPrysmian Communicatios Cables & Sys | Lexington | — | ◇ UNVERIFIED |
| SASouthern Aluminum Foundry:clinton | Clinton | — | ◇ UNVERIFIED |
| SASouthern Aluminum Foundry & Machine INC - Laurens | Laurens | — | ◇ UNVERIFIED |
| STSteel Technologies Lcc | Huger | — | ◇ UNVERIFIED |
| WAWells Aluminum Corporation | Belton | — | ◇ UNVERIFIED |
| WCWheelabrator Cast Product | Walterboro | — | ◇ UNVERIFIED |
| ZUZapp USA Ergste Westig South Carolina LP | Summerville | — | ◇ UNVERIFIED |
 ATI Specialty Materials - Richburg | Richburg | 100–499 | ◐ LIKELY ACTIVE |
| BMBASF Metals Converse | Spartanburg | 20–99 | ◐ LIKELY ACTIVE |
| DTDoncasters Trucast | Newberry | 20–99 | ◐ LIKELY ACTIVE |
| FSFlorence SC RC | Florence | 1–19 | ◐ LIKELY ACTIVE |
| GGGSC - Groundworks Supply Chain | Columbia | 20–99 | ◐ LIKELY ACTIVE |
| HHartsville | Mcbee | 100–499 | ◐ LIKELY ACTIVE |
| HSHodges SC Facility | Hodges | 100–499 | ◐ LIKELY ACTIVE |
| LHLapham - Hickey Steel | Fountain Inn | 20–99 | ◐ LIKELY ACTIVE |
| LELevy Environmental Services Company dba Charleston Mill Service | Huger | 20–99 | ◐ LIKELY ACTIVE |
| MIMar-Mac Industries, Inc. | Mcbee | 20–99 | ◐ LIKELY ACTIVE |
| MTMechanical Technologies LLC | Walterboro | — | ◐ LIKELY ACTIVE |
| NSNucor Skyline Steel LLC | Rock Hil | 100–499 | ◐ LIKELY ACTIVE |
| OOrangeburg | Cope | 100–499 | ◐ LIKELY ACTIVE |
| POPageland Operations | Pageland | 20–99 | ◐ LIKELY ACTIVE |
| UUsac | Duncan | 100–499 | ◐ LIKELY ACTIVE |
| ZAZEB Aluminum, LLC | Goose Creek | 20–99 | ◐ LIKELY ACTIVE |
| 1U115 Usac Drive | Duncan | — | ◇ UNVERIFIED |
| AIAmstarr INC | Chesnee | — | ◇ UNVERIFIED |
| AIAvm INC | Marion | — | ◇ UNVERIFIED |
| BEBuck Enterprise LLC | Blythewood | — | ◇ UNVERIFIED |
| CACentury Aluminum of South Carolina INC | Goose Creek | — | ◇ UNVERIFIED |
| COClothes on Wheels | Elgin | — | ◇ UNVERIFIED |
| CCCmc Construction Services | Columbia | — | ◇ UNVERIFIED |
| CCometals | Cayce | — | ◇ UNVERIFIED |
| DSDarlington Shredding | Darlington | — | ◇ UNVERIFIED |
| DRDayton Rogers Manufacturing company | Newberry | — | ◇ UNVERIFIED |
| HIHarvey Industries Die Casting LLC | Aiken | — | ◇ UNVERIFIED |
| IWInsteel Wire Products Company | Summerville | — | ◇ UNVERIFIED |
| KMKelco Metals INC | Mount Pleasant | — | ◇ UNVERIFIED |
| LGLarrimore Golf Car Specialties LLC | Conway | — | ◇ UNVERIFIED |
