| MBMyrtle Beach DT Hub | Conway | SC | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| NANAF Aquatics LLC | Denmark | SC | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| NNNaval Nuclear Power Training | Goose Creek | SC | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| NMNew Millennium Building Systems, LLC. - Columbia | Columbia | SC | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| NLNIPG Laurens SC | Laurens | SC | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| NDNucleus Davidson | Davidson | SC | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| NSNucor Skyline | Huger | SC | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| NLNutramax Laboratories Inc. Building 4 | Indian Land | SC | Chemical Manufacturing325411 | 20-99 | ◐ LIKELY ACTIVE |
Oerlikon Balzers Coating USA Inc - Rock Hill Tools, SC | Rock Hill | SC | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| OOobe | Greenville | SC | Apparel Manufacturing315220 | 20-99 | ◐ LIKELY ACTIVE |
| OPOpus Packaging - Florence | Florence | SC | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| OSOrangeburg, SC 48Forty Plant - 372 | Orangeburg | SC | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| OPOrtec - Pendleton | Pendleton | SC | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| OCOwens Corning | Duncan | SC | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| OLOxco, LLC | Fort Mill | SC | Textile Mills313310 | 20-99 | ◐ LIKELY ACTIVE |
| OPOx Paper Tube & Core Carolina, LLC | York | SC | Paper Manufacturing322219 | 20-99 | ◐ LIKELY ACTIVE |
| PPageland | Pageland | SC | Wood Product Manufacturing321999 | 20-99 | ◐ LIKELY ACTIVE |
| POPageland Operations | Pageland | SC | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| PSPaquin Sensors | West Union | SC | Computer and Electronic Product Manufacturing334519 | 20-99 | ◐ LIKELY ACTIVE |
| PIPelican INTL USA | Greenville | SC | Transportation Equipment Manufacturing336612 | 20-99 | ◐ LIKELY ACTIVE |
| PPPharmacy-Lite Prescription Packaging - South Carolina Plant | Winnsboro | SC | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PBPiedmont Branch Plant | Piedmont | SC | Plastics and Rubber Products Manufacturing326150 | 20-99 | ◐ LIKELY ACTIVE |
| PDPlasman Duncan | Duncan | SC | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| PPPlastic Products Co., Inc. - Seneca, SC | Seneca | SC | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| PCPort City Concrete- Jedburg | Summerville | SC | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| PBPratt (Georgia Box), Inc. | Simpsonville | SC | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| PHPratt (Rock Hill Corrugating), LLC | Rock Hill | SC | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
Precision Grinding Industries, LLC | Piedmont | SC | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| PTPrimetals Technologies - Huger | Huger | SC | Machinery Manufacturing333519 | 20-99 | ◐ LIKELY ACTIVE |
| PPPurAqua Products Inc. | Rock Hill | SC | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| PPPurple Power | Greer | SC | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| PAPVS Acquisition Inc. | West Union | SC | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| QPQ Plant | Columbia | SC | Machinery Manufacturing333241 | 20-99 | ◐ LIKELY ACTIVE |
| QMQualex Manufacturing at Ridgeway, SC | Ridgeway | SC | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| QGQuality Glass Fabrication Inc. | Manning | SC | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| RBRBC Bearings - Eastern Distribution Center | Bishopville | SC | Fabricated Metal Product Manufacturing332991 | 20-99 | ◐ LIKELY ACTIVE |
| RCRebuild Center | Donalds | SC | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| RCRECO Commercial Systems | Cayce | SC | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| Rredi-Group | Greenville | SC | Transportation Equipment Manufacturing336111 | 20-99 | ◐ LIKELY ACTIVE |
Redwood Materials East, LLC | Ridgeville | SC | Electrical Equipment, Appliance & Component Manufacturing335911 | 20-99 | ◐ LIKELY ACTIVE |
| RAREI Automation, Inc. | Columbia | SC | Machinery Manufacturing333519 | 20-99 | ◐ LIKELY ACTIVE |
| RRResidue Recycling of South Carolina | Piedmont | SC | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| RPRich Products Fountain Inn | Fountain Inn | SC | Food Manufacturing311812 | 20-99 | ◐ LIKELY ACTIVE |
| RRidgeway | Ridgeway | SC | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| RCRing Container Chester | Chester | SC | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| RMRockford Manufacturing LTD | Walterboro | SC | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| RHRock Hill | Rock Hill | SC | Paper Manufacturing322230 | 20-99 | ◐ LIKELY ACTIVE |
| RHRock Hill - ARCo | Rock Hill | SC | Plastics and Rubber Products Manufacturing326299 | 20-99 | ◐ LIKELY ACTIVE |
| RHRock Hill Plant | Rock Hill | SC | Plastics and Rubber Products Manufacturing326112 | 20-99 | ◐ LIKELY ACTIVE |
| RPRusken Packaging Spartanburg | Cowpens | SC | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |