| THTalicia Holdings, INC. | Duncan | — | ◐ LIKELY ACTIVE |
 The Loc'd Goddess Creations | Moncks Corner | — | ◐ LIKELY ACTIVE |
| TSThe Scotts Company - Chester | Chester | 20–99 | ◐ LIKELY ACTIVE |
| T5Thorne 558 Omni | Summeville | 100–499 | ◐ LIKELY ACTIVE |
| T6Thorne 620 Omni | Summerville | 500+ | ◐ LIKELY ACTIVE |
| TCToray CMA Spartanburg SC | Moore | 100–499 | ◐ LIKELY ACTIVE |
| USUSA SC Chester Plant | Chester | 20–99 | ◐ LIKELY ACTIVE |
| VEVictory Exofibres, LLC | Central | — | ◐ LIKELY ACTIVE |
| WCWikoff Color Corporation - Fort Mill - Admin | Fort Mill | 20–99 | ◐ LIKELY ACTIVE |
| GSGreentex Solutions, LLC | Charleston | — | ◐ LIKELY ACTIVE |
| ALAbbott Laboratories-closed | Kingstree | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc-j.p. Stevens Piedmont Site-remediation Project | Piedmont | — | ◇ UNVERIFIED |
| ACAlcami Corporation Clements Crest Warehouse | Charleston | — | ◇ UNVERIFIED |
| AIAlexium INC | Duncan | — | ◇ UNVERIFIED |
| AIAllnex INC | North Augusta | — | ◇ UNVERIFIED |
| AIAllnex INC | Beech Island | — | ◇ UNVERIFIED |
| AMA & M Cleaning Prods INC | Central | — | ◇ UNVERIFIED |
| AMAmerican Marble Products INC. | Conway | — | ◇ UNVERIFIED |
| ACApex Coating INC | Inman | — | ◇ UNVERIFIED |
| ACAquasol Corporation | Rock Hill | — | ◇ UNVERIFIED |
| APAscend Performance Materials Operations LLC | Greenwood | — | ◇ UNVERIFIED |
| AFAscent Five, LLC | Travelers Rest | — | ◇ UNVERIFIED |
| BCBasf CORP | Mauldin | — | ◇ UNVERIFIED |
| BCBasf CORP Mauldin Plant | Mauldin | — | ◇ UNVERIFIED |
| BCBasf Corporation | Central | — | ◇ UNVERIFIED |
| BCBasf Corporation @ Ethox Corporation | Greenville | — | ◇ UNVERIFIED |
| BNBethune Nonwovens INC | Bethune | — | ◇ UNVERIFIED |
| BIByo-Gon, Inc. | Wando | — | ◇ UNVERIFIED |
| CICarsonite International Coporation | Newberry | — | ◇ UNVERIFIED |
| CCChase Corporation | Greenville | — | ◇ UNVERIFIED |
| CSChemtrade Solutions LLC | Catawba | — | ◇ UNVERIFIED |
| CLChromascape, LLC | Goose Creek | — | ◇ UNVERIFIED |
| COCity of Greenville | Greenville | — | ◇ UNVERIFIED |
| CClariant:martin | Martin | — | ◇ UNVERIFIED |
| CAClean Advantage | Taylors | — | ◇ UNVERIFIED |
| CGConform Gissing International LLC | Sumter | — | ◇ UNVERIFIED |
| CTCTG2 Technologies, LLC | Bamberg | — | ◇ UNVERIFIED |
| DCDexter Crown Metro Aerospace | Greenville | — | ◇ UNVERIFIED |
| DIDigital Ink Technology | York | — | ◇ UNVERIFIED |
| D2Dsm 2024projects | Kingstree | — | ◇ UNVERIFIED |
| DDupont:hytrel | Berkeley | — | ◇ UNVERIFIED |
| DSDupont Specialty Products Usa, LLC | Moncks Corner | — | ◇ UNVERIFIED |
| EBEcoflo - Blackville Sc (scda Pesticide Collection Event) | Blackville | — | ◇ UNVERIFIED |
| EREnvironmental Rental Service LLC | Columbia | — | ◇ UNVERIFIED |
| EPEpsilon Plastics INC | Spartanburg | — | ◇ UNVERIFIED |
| FFFuji Film INC G M & X Plants Dc & Sitewi | Greenwood | — | ◇ UNVERIFIED |
| FFFuji Film INC L Plant | Greenwood | — | ◇ UNVERIFIED |
 Fujifilm North America Corporation - Quicksnap, Q-plant | Greenwood | — | ◇ UNVERIFIED |
 General Chemical Performance Products | Catawba | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Chemicals LLC | Russellville | — | ◇ UNVERIFIED |
