| LILtg INC | Spartanburg | — | ◐ LIKELY ACTIVE |
| MMMachinery Manufacturing - Hartsville - A500 | Hartsville | 20–99 | ◐ LIKELY ACTIVE |
| MSManufacturing Specialties, Inc | Greenville | 20–99 | ◐ LIKELY ACTIVE |
| MMMarathon Machining & Tool, INC. | Hilton Head Island | — | ◐ LIKELY ACTIVE |
| MPMixer & Plant Parts Mfg, LLC | Rock Hill | 20–99 | ◐ LIKELY ACTIVE |
| NCNo-fade Coatings, INC | Piedmont | — | ◐ LIKELY ACTIVE |
| OSOptek Systems, INC. | Greenville | — | ◐ LIKELY ACTIVE |
| OEOtis Elevator Company-Florence Factory | Florence | 500+ | ◐ LIKELY ACTIVE |
| PSPalmetto Scientific Glass Company, LLC | Beech Island | — | ◐ LIKELY ACTIVE |
| PJPrecision Jig and Fixture South | Duncan | 1–19 | ◐ LIKELY ACTIVE |
| PTPrimetals Technologies - Huger | Huger | 20–99 | ◐ LIKELY ACTIVE |
| QPQ Plant | Columbia | 20–99 | ◐ LIKELY ACTIVE |
| RAREI Automation, Inc. | Columbia | 20–99 | ◐ LIKELY ACTIVE |
| RIRexnord Industries LLC | Taylors | — | ◐ LIKELY ACTIVE |
| RHRock Hill Plant | Rock Hill | 20–99 | ◐ LIKELY ACTIVE |
| SCSandvik Coromant PU Westminster | Westminster | 100–499 | ◐ LIKELY ACTIVE |
| SESEW Eurodrive Industrial Gear Motors (IG) | Wellford | 20–99 | ◐ LIKELY ACTIVE |
| SESEW Eurodrive Lyman Manufacturing | Lyman | 100–499 | ◐ LIKELY ACTIVE |
| SCSouth Carolina | Aiken | 1–19 | ◐ LIKELY ACTIVE |
| SWSouthern Welders Supply CO INC | Orangeburg | — | ◐ LIKELY ACTIVE |
| SSSpartanburg, South Carolina Facility | Spartanburg | 1–19 | ◐ LIKELY ACTIVE |
| SUStiwa US INC | Rock Hill | 20–99 | ◐ LIKELY ACTIVE |
| SSylvamo | Sumter | 100–499 | ◐ LIKELY ACTIVE |
| TNTactical Nightsight Technologies CORP. | Mount Pleasant | — | ◐ LIKELY ACTIVE |
| TSTakeuchi SC01 | Moore | 100–499 | ◐ LIKELY ACTIVE |
| TSTextron Systems - ES Goose Creek | Goose Creek | 20–99 | ◐ LIKELY ACTIVE |
| TLThe Light Post | Bluffton | 1–19 | ◐ LIKELY ACTIVE |
| TLThe Lincoln Electric Company - Ladson | Ladson | 20–99 | ◐ LIKELY ACTIVE |
| TSThorlabs Spectral Works | South Carolina | 1–19 | ◐ LIKELY ACTIVE |
| TMTICO Manufacturing A Division of Terminal Investment Corp | Ridgeland | 100–499 | ◐ LIKELY ACTIVE |
| TSTransport Solutions - Americas : MFG-Greenville, SC-USA | Greenville, SC | 100–499 | ◐ LIKELY ACTIVE |
| URUnited Refrigeration INC | Greenville | — | ◐ LIKELY ACTIVE |
| URUnited Refrigeration INC | Florence | — | ◐ LIKELY ACTIVE |
| WUWalter USA, LLC (Walter Sales & Greer Production) | Greer | 100–499 | ◐ LIKELY ACTIVE |
| ZZarpac | Greenville | 20–99 | ◐ LIKELY ACTIVE |
| ZCZima Corporation | spartanburg sc | 100–499 | ◐ LIKELY ACTIVE |
| BGBig Gun Robotics | Newberry | — | ◇ UNVERIFIED |
| STSouthern Textile Works Incorporated | Anderson | — | ◇ UNVERIFIED |
| ASAdvanced Stripping Technology INC | Anderson | — | ◇ UNVERIFIED |
| ATAmamco Tool & Supply CO INC | Duncan | — | ◇ UNVERIFIED |
American Chillers, LLC | West Columbia | — | ◇ UNVERIFIED |
| AAAms Automation INC | Simpsonville | — | ◇ UNVERIFIED |
| ATAtlantic Tooling and Fabricating CO INC | Florence | — | ◇ UNVERIFIED |
| AEAz Electronic Materials USA Corporation | Martin | — | ◇ UNVERIFIED |
| BABarker Air and Hydraulics INC | Greenville | — | ◇ UNVERIFIED |
| BVBarker Ventures LLC | Simpsonville | — | ◇ UNVERIFIED |
| BPBeck - Pollitzer US INC | Ridgeville | — | ◇ UNVERIFIED |
| BABomag Americas INC | Ridgeway | — | ◇ UNVERIFIED |
| CBCarolina Broach Company | Sumter | — | ◇ UNVERIFIED |
| CICaterpillar INC | Fountain Inn | — | ◇ UNVERIFIED |