| GGaf | Charleston | SC | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| HCHemmelrath Coatings INC | Duncan | SC | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| IUIneos US Chemicals Company | Wando | SC | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| ILInnophos LLC | Green Pond | SC | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| KCKl - Chempak | Greenville | SC | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| KAKuraray America INC Vectran Divison | Fort Mill | SC | Chemical Manufacturing325220 | — | ◇ UNVERIFIED |
| LHLeiner Health Products | Fort Mill | SC | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| LSLgc Standards/o2si Smart Solutions | North Charleston | SC | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| LGLinde Gas | Blythewood | SC | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MSMatrix Scientific | Pontiac | SC | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MCMetal Chem INC | Greer | SC | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| MCMilliken Chemical Keystone Plant- Milli | Inman | SC | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| NLNew Life Chemical Sodium Hydrosulfite LLC | Greenville | SC | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| NCNippon Carbide Industries | Greenville | SC | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| OGOhio Gratings INC | Ridgeland | SC | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PCPirelli Cable and Systems LLC | West Columbia | SC | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| RRRenew Resources LLC | Rock Hill | SC | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| RTRose Talbert Paint Company | Cayce | SC | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| RCRudolf-venture Chemicals | Rock Hill | SC | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| SSSamuel, Son &co (usa) INC. - Samuel Packaging Systems Group | Fort Mill | SC | Chemical Manufacturing325220 | — | ◇ UNVERIFIED |
| SWSherwin Williams Spartanburg | Spartanburg | SC | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SSSiroflex Site Improvements | Greenville | SC | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| SESouth Eastern Recycling Solutions | Rock Hill | SC | Chemical Manufacturing325000 | — | ◇ UNVERIFIED |
| SPSpan Packaging Services LLC | Greenville | SC | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SISprings Ind Wamchem Npl Site | Burton | SC | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| SHSwisher Hygiene | Charleston | SC | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| SHSwisher Hygiene | Irmo | SC | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| WCWolverine Coatings CORP | Spartanburg | SC | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| 0O027116-associates Onsite - Colgate - Hodges Sc | Hodges | SC | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| 8C872 Camden | Lugoff | SC | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| ALAcebio LLC | Columbia | SC | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| AMAgfa Materials - Bushy Park | Goose Creek | SC | Chemical Manufacturing325992 | 20-99 | ◐ LIKELY ACTIVE |
| AAguaSeal | North Charleston | SC | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| AAiken | Aiken | SC | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| AIAmbioPharm, Inc. | North Augusta | SC | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| AOAndy Oxy CO INC Taylors | Taylors | SC | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| BCBASF Clemson | Centra | SC | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| BMBASF Mauldin | Mauldin | SC | Chemical Manufacturing325613 | 20-99 | ◐ LIKELY ACTIVE |
| BFBees Ferry | Charelston | SC | Chemical Manufacturing325315 | 1-19 | ◐ LIKELY ACTIVE |
| CFCandy Friday Farms, LLC | Blythewood | SC | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| CSCharleston SC IW Plant | North Charleston | SC | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
| CBChiron Bio, LLC | Irmo | SC | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| CBColumbia Branch 61 | Columbia | SC | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| CIContec, INC. - Flatwood | Spartanburg | SC | Chemical Manufacturing325612 | 20-99 | ◐ LIKELY ACTIVE |
| CIContec, INC. - Wingo Park | Spartanburg | SC | Chemical Manufacturing325612 | 100-499 | ◐ LIKELY ACTIVE |
| CCC&S Chemicals - Darlington, SC | Darlington | SC | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| CCC&S Chemicals - Hardeeville, SC | Hardeeville | SC | Chemical Manufacturing325180 | 1-19 | ◐ LIKELY ACTIVE |
| DDarlington | Darlington | SC | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| DQDenise Quarles | Florence | SC | Chemical Manufacturing325620 | — | ▲ REPORTED CLOSED |
| DUDiatom US | Andrews | SC | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |