| ICIngevity Corporation Technical and Innovation Center | Charleston | 100–499 | ◐ LIKELY ACTIVE |
| ISInvista S.a.r.l. | Lugoff | — | ◐ LIKELY ACTIVE |
| IMIrix Manufacturing Incorporated | Greenville | — | ◐ LIKELY ACTIVE |
| JCJones-hamilton CO. | Richburg | 20–99 | ◐ LIKELY ACTIVE |
| LCLindau Chemicals, INC. | Columbia | 20–99 | ◐ LIKELY ACTIVE |
| MNMichelin North America, INC. -- Us2 | Sandy Springs | — | ◐ LIKELY ACTIVE |
| MCMilliken Chemical - Dewey Plant | Inman | — | ◐ LIKELY ACTIVE |
| MCMitsubishi Chemical America, Performance Polymers | Greer | 20–99 | ◐ LIKELY ACTIVE |
| NUNicca USA INC | Fountain Inn | 20–99 | ◐ LIKELY ACTIVE |
| NMNova Molecular Sumter LLC | Sumter | 20–99 | ◐ LIKELY ACTIVE |
Organic Dyes and Pigments | Union | 1–19 | ◐ LIKELY ACTIVE |
| OPOrion Performance Compounds, INC. | Lugoff | 1–19 | ◐ LIKELY ACTIVE |
Parimer Scientific LLC | Easley | 1–19 | ◐ LIKELY ACTIVE |
| PPPurAqua Products Inc. | Rock Hill | 20–99 | ◐ LIKELY ACTIVE |
| RIRhodia INC. - Charleston, Sc Plant | Charleston | — | ◐ LIKELY ACTIVE |
| SIShaw Industries Group INC Plant 8s | Columbia | — | ◐ LIKELY ACTIVE |
| SUSolvay USA INC | Spartanburg | — | ◐ LIKELY ACTIVE |
| SISpecialty Industrial Products, INC. | Spartanburg | — | ◐ LIKELY ACTIVE |
| SPSterling Precision Machining, INC | Summerville | 1–19 | ◐ LIKELY ACTIVE |
| SSSurface Specialties Incorporated | North Augusta | — | ◐ LIKELY ACTIVE |
| SSSyensqo Specialty Polymers Usa, LLC | Greenville | — | ◐ LIKELY ACTIVE |
| UDUS Doe Savannah River Site | Aiken | — | ◐ LIKELY ACTIVE |
| WIWellman INC | Darlington | — | ◐ LIKELY ACTIVE |
| WEWestinghouse Electric Company Llc/columbia Fuel Fabrication Facility | Hopkins | — | ◐ LIKELY ACTIVE |
| WCWikoff Color CORP | Fort Mill | — | ◐ LIKELY ACTIVE |
| ASAthena Surfaces, LLC | Hardeeville | — | ◐ LIKELY ACTIVE |
| BCBasf Catalyst LLC | North Charleston | — | ◐ LIKELY ACTIVE |
| BCBayer Corporation, Bushy Park Plant | Goose Creek | — | ◐ LIKELY ACTIVE |
| CPCdr Pigments and Dispersions | Beaufort | — | ◐ LIKELY ACTIVE |
| CFCherokee Finishing CO Spartan Mills | Gaffney | — | ◐ LIKELY ACTIVE |
| CPCoatex & Polacryl | Chester | — | ◐ LIKELY ACTIVE |
| CCCognis Corporation/mauldin, Sc Manufacturing Plant | Mauldin | — | ◐ LIKELY ACTIVE |
Eastman Chemical Company Sc Operations | Gaston | — | ◐ LIKELY ACTIVE |
| ECEms Chemie (north America) INC | Sumter | 100–499 | ◐ LIKELY ACTIVE |
| ECEthox Chemicals LLC. | Greenville | — | ◐ LIKELY ACTIVE |
| FBFirestone Buliding Products CO | Kingstree | — | ◐ LIKELY ACTIVE |
| GNGeneral Nutrition Products Incorporated | Greenville | — | ◐ LIKELY ACTIVE |
| HOHolly Oak Chemical | Fountain Inn | — | ◐ LIKELY ACTIVE |
| HIHubbard-hall INC | Inman | — | ◐ LIKELY ACTIVE |
| ILIsola Laminate Systems Pendleton-closed | Pendleton | — | ◐ LIKELY ACTIVE |
| LCLindau Chemicals INC | Columbia | — | ◐ LIKELY ACTIVE |
| MNMarabu North America LP | North Charleston | 20–99 | ◐ LIKELY ACTIVE |
| MCMetal Chem INC | Greenville | — | ◐ LIKELY ACTIVE |
| MCMocom Compounds Corporation | Duncan | 20–99 | ◐ LIKELY ACTIVE |
| NYNan Ya Plastics Corps | Lake City | — | ◐ LIKELY ACTIVE |
| NRNova Recovery Oz Holdings, LLC | Sumter | — | ◐ LIKELY ACTIVE |
| OCOrtec Clean Room Addition | Piedmont | — | ◐ LIKELY ACTIVE |
| PWPatheon West Florence (was Irix Pharmaceuticals) | Florence | — | ◐ LIKELY ACTIVE |
| PCPerrigo Company | Greenville | — | ◐ LIKELY ACTIVE |
| PIPolyquest INC | Darlington | — | ◐ LIKELY ACTIVE |