| ANAutoneum North America, INC. | Aiken | 100–499 | ◐ LIKELY ACTIVE |
| HIHoneywell International Greer | Greer | 100–499 | ◐ LIKELY ACTIVE |
| MEMarley Engineered Products | Bennettsville | 100–499 | ◐ LIKELY ACTIVE |
| SMStandard Motor Products | Greenville | 100–499 | ◐ LIKELY ACTIVE |
| VMVermeer Mv Solutions | Piedmont | 100–499 | ◐ LIKELY ACTIVE |
| GGGe Gas Turbines (greenville) L.l.c. | Greenville | — | ◐ LIKELY ACTIVE |
Mclaughlin Body Company INC | Anderson | 20–99 | ◐ LIKELY ACTIVE |
| MLMenardi LLC | Trenton | 20–99 | ◐ LIKELY ACTIVE |
| TEThermal Engineering Corporation | Columbia | 20–99 | ◐ LIKELY ACTIVE |
| TCTrane Commercial Systems Columbia Coil Center | Columbia | — | ◐ LIKELY ACTIVE |
| WPWabtec Passenger Transit | Duncan | 100–499 | ◐ LIKELY ACTIVE |
| LTLift Technologies INC | Westminster | — | ◐ LIKELY ACTIVE |
| SISandvik INC Valenite INC Plant No 7 | Westminster | — | ◐ LIKELY ACTIVE |
| CICaterpillar INC Hydraulic Cylinder Group Sumter | Sumter | — | ◇ UNVERIFIED |
| CTCooper Tools - Lexington Sc Operation | Lexington | — | ◇ UNVERIFIED |
| CTCummins Turbo Technologies - Palmetto Plant | Ladson | — | ◇ UNVERIFIED |
| DNDixie Narco Incorporated | Williston | — | ◇ UNVERIFIED |
| DIDodge Industral | Belton | — | ◇ UNVERIFIED |
| HOHonda of South Carolina Mfg INC | Timmonsville | — | ◇ UNVERIFIED |
| KIKaliburn INC | Ladson | — | ◇ UNVERIFIED |
| PHParker Hannifin Mt Holly Fac | Moncks Corner | — | ◇ UNVERIFIED |
| REReliance Electric Company Gear Product Plant | Greenville | — | ◇ UNVERIFIED |
Woodward Fst | Greenville | — | ◇ UNVERIFIED |
Bba Pumps INC. | North Charleston | — | ◐ LIKELY ACTIVE |
Filtration Solutions INC | Clover | — | ◐ LIKELY ACTIVE |
| IIIzumi International INC | Greenville | — | ◐ LIKELY ACTIVE |
Separation Dynamics INC. | Fountain Inn | — | ◐ LIKELY ACTIVE |
Weima America INC | Fort Mill | — | ◐ LIKELY ACTIVE |
| DSDiversified Systems INC | Greenville | — | ◇ UNVERIFIED |
| AAAllied Air Enterprises Incorporated | Orangeburg | 500+ | ◐ LIKELY ACTIVE |
| ATApex Tool Group - Sumter | Sumter | 20–99 | ◐ LIKELY ACTIVE |
| AIAsko INC | Rock Hill | — | ◐ LIKELY ACTIVE |
| CRCharleston Recon Plant | North Charleston | 100–499 | ◐ LIKELY ACTIVE |
| CIChemgard, INC | Greer | — | ◐ LIKELY ACTIVE |
| CTCogsdill Tool Products INC | Lugoff | — | ◐ LIKELY ACTIVE |
| CMCrane Merchandising Systems | Williston | — | ◐ LIKELY ACTIVE |
| DCDantherm Cooling INC | Spartanburg | 20–99 | ◐ LIKELY ACTIVE |
| EAEclipse Automation Southeast LLC | Rock Hill | — | ◐ LIKELY ACTIVE |
Filtration Group | York | 100–499 | ◐ LIKELY ACTIVE |
| FAFlextronics America, LLC | Orangeburg | 500+ | ◐ LIKELY ACTIVE |
| GIGreenfield Industries INC | Seneca | 100–499 | ◐ LIKELY ACTIVE |
| HTHawke Trailers INC | Marietta | — | ◐ LIKELY ACTIVE |
| MMMaster Machine Works INC | Spartanburg | 20–99 | ◐ LIKELY ACTIVE |
| MLMenzel LP | Spartanburg | — | ◐ LIKELY ACTIVE |
Oerlikon Balzers Coating USA Inc - Rock Hill Automotive, SC | Rock Hill | 20–99 | ◐ LIKELY ACTIVE |
| OTOstrem Tool Company, INC. | Lyman | — | ◐ LIKELY ACTIVE |
| PPPaddock Pool Equipment Company | Rock Hill | 100–499 | ◐ LIKELY ACTIVE |
| PCPeddinghaus Corporation - PCSC | Andrews | 20–99 | ◐ LIKELY ACTIVE |
| PFPerformance Friction CORP | Clover | — | ◐ LIKELY ACTIVE |
| PSPolar Service Centers | Spartanburg | — | ◐ LIKELY ACTIVE |