| SUStiwa US INC | Rock Hill | SC | Machinery Manufacturing333998 | 20-99 | ◐ LIKELY ACTIVE |
| TATag Aero | Rock Hill | SC | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| TSTechnibus South | Rock Hill | SC | Electrical Equipment, Appliance & Component Manufacturing335313 | 20-99 | ◐ LIKELY ACTIVE |
| TMTransaxle Manufacturing of America Corp | Rock Hill | SC | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| 3O3cs Organics LLC | Rock Hill | SC | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| CCCasual Cushion Corporation | Rock Hill | SC | Textile Product Mills314129 | — | ◇ UNVERIFIED |
| CTCatch Twenty Two Designs, LLC | Rock Hill | SC | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| CCCogwheel Creative LLC | Rock Hill | SC | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| DCD. C. Sales, INC. | Rock Hill | SC | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
 Dynapac North America LLC | Rock Hill | SC | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| EPEbara Pumps America Corporation | Rock Hill | SC | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| ITIndustrial Test Systems INC | Rock Hill | SC | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| KCKemira Chemicals, INC. at Inchem | Rock Hill | SC | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| MCMetallized Carbon Corporation | Rock Hill | NY | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◇ UNVERIFIED |
 National Machinery - Fabrication INC | Rock Hill | SC | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PPPlating Parts America | Rock Hill | SC | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
 Power Technique North America LLC (atlas Copco Company) | Rock Hill | SC | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| PSPrater's Southern Bakery LLC | Rock Hill | SC | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| RGRegal Graphics INC | Rock Hill | SC | Printing and Related Support Activities323115 | — | ◇ UNVERIFIED |
| RGRLM Group Holdings LLC | Rock Hill | SC | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
 Steelfab, INC. | Rock Hill | SC | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TCThomas Concrete - Rock Hill | Rock Hill | SC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TETrueNorth Enterprises, LLC | Rock Hill | SC | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
