| RCRECO Commercial Systems | Cayce | 20–99 | ◐ LIKELY ACTIVE |
| RMRockford Manufacturing LTD | Walterboro | 20–99 | ◐ LIKELY ACTIVE |
R. S. Hughes Company, INC. | West Columbia | — | ◐ LIKELY ACTIVE |
| SISage International Inc DBA Jayco manufacturing | Lugoff, | 20–99 | ◐ LIKELY ACTIVE |
| SISage International Inc DBA Jayco manufacturing | Lugoff | 20–99 | ◐ LIKELY ACTIVE |
| SCSouth Carolina | Myrtle Beach | 1–19 | ◐ LIKELY ACTIVE |
| SMSouthwark Metal Greenville Division | Piedmont | 100–499 | ◐ LIKELY ACTIVE |
| SSpringmasters | Greer | 1–19 | ◐ LIKELY ACTIVE |
| STStandard Tool and Machine Company, dba Piedmont Manufacturing Division | Piedmont | 1–19 | ◐ LIKELY ACTIVE |
SteelFab Inc Florence | Florence | 100–499 | ◐ LIKELY ACTIVE |
| SCSupreme Cores Holdings, LLC - Lancaster, SC Facility | Lancaster | 20–99 | ◐ LIKELY ACTIVE |
| TCTown & Country 828 | Columbia | 1–19 | ◐ LIKELY ACTIVE |
| TMTribal Manufacturing SC | Chesnee | 20–99 | ◐ LIKELY ACTIVE |
| TITurbocam, Inc. | Ladson | 1–19 | ◐ LIKELY ACTIVE |
| TRTyger River | Union | 100–499 | ◐ LIKELY ACTIVE |
| VGValley Grinding & Manufacturing, Inc. South Carolina | Greer | 1–19 | ◐ LIKELY ACTIVE |
| VAVenture Aerobearings LLC - SKF MRO | Ladson | 100–499 | ◐ LIKELY ACTIVE |
| VSVertex Structural INC | Conway | — | ▲ REPORTED CLOSED |
| WCWest Columbia SC | West Columbia | 1–19 | ◐ LIKELY ACTIVE |
| ESEthos Survival, INC. | Columbia | — | ◐ LIKELY ACTIVE |
| 6A69731 - American Mechanical - Piping INC | Cheraw | 20–99 | ◇ UNVERIFIED |
| 6C69856 - Calder Powder Coaters INC | Darlington | 1–19 | ◇ UNVERIFIED |
| 6A69993 - Andron Stainless CORP | Columbia | 20–99 | ◇ UNVERIFIED |
| 7A72641 - Adc Finishing Co., INC. | York | 20–99 | ◇ UNVERIFIED |
| ABAbrasive Blasting & Coating Services | Spartanburg | 1–19 | ◇ UNVERIFIED |
| AWAnderson Welding Service INC | Chesnee | 1–19 | ◇ UNVERIFIED |
Daniel Defense INC | Ridgeland | — | ◇ UNVERIFIED |
| DRDayton Rogers of South Carolina LLC | Columbia | — | ◇ UNVERIFIED |
| EEEisenback Equipment Sales INC | Camden | 1–19 | ◇ UNVERIFIED |
| FWFoothills Welding & Fabrication | Travelers Rest | 1–19 | ◇ UNVERIFIED |
| GSGeorgetown Shutter Shop and More, LLC | Georgetown | 1–19 | ◇ UNVERIFIED |
| JGJacob Grey Precision Machining, LLC | West Columbia | 1–19 | ◇ UNVERIFIED |
| JFJp Fabrication LLC | Jonesville | 1–19 | ◇ UNVERIFIED |
| KAKongsberg Automotive | Easley | — | ◇ UNVERIFIED |
| LSLakeside Steel and Machine, INC. | Anderson | 20–99 | ◇ UNVERIFIED |
| MIMetco, INC. | Anderson | 20–99 | ◇ UNVERIFIED |
| MIMetco Incorporated | Anderson | 1–19 | ◇ UNVERIFIED |
| PFP&m Fabrications | Union | 20–99 | ◇ UNVERIFIED |
| PCPreferred Coating Solutions | Ridgeville | 1–19 | ◇ UNVERIFIED |
| SOScrewmatics of Sc, INC. | Pageland | 100–499 | ◇ UNVERIFIED |
| SMSelden Mast INC | Charleston | 1–19 | ◇ UNVERIFIED |
| SMSouthern Machine and Tool, Inc. | Georgetown | 1–19 | ◇ UNVERIFIED |
| STSparrow Technologies INC. | Greenville | 1–19 | ◇ UNVERIFIED |
| TPThermal Processing Services | Greer | 1–19 | ◇ UNVERIFIED |
| TPThor Precision | Greenville | 1–19 | ◇ UNVERIFIED |
| TMtvs Manufacturing Specialists, Inc. | Lexington | 1–19 | ◇ UNVERIFIED |
| UAUpstate Anodize LLC | Gaffney | — | ◇ UNVERIFIED |