| DYDominion Yorktown Phase I and Phase Ii | Grafton | VA | — | ◐ LIKELY ACTIVE |
| DKDosch - King Emulsions, INC. | Whippany | NJ | — | ◐ LIKELY ACTIVE |
| DCDow Chemical-midland | Midland | MI | — | ◐ LIKELY ACTIVE |
Dow Silicones Corporation-midland Site | Midland | MI | — | ◐ LIKELY ACTIVE |
| DSDr Schneider Automotive Systems | Russell Springs | KY | — | ◐ LIKELY ACTIVE |
| DDrta | Rincon | GA | — | ◐ LIKELY ACTIVE |
| DCDsm Chemicals North America | Augusta | GA | — | ◐ LIKELY ACTIVE |
| DCDubois Chemicals, INC | Sharonville | OH | — | ◐ LIKELY ACTIVE |
| DMDupont Marshall Lab | Philadelphia | PA | — | ◐ LIKELY ACTIVE |
| DPDupont Polymer Products, LLC | Moncks Corner | SC | — | ◐ LIKELY ACTIVE |
| EWEastern Wholesale Fence | Salisbury | NC | — | ◐ LIKELY ACTIVE |
| ECEastman Carpentersville Plant | Carpentersville | IL | — | ◐ LIKELY ACTIVE |
| EPEast Penn Mfg CO Inc/smelter Plt | Lyons | PA | — | ◐ LIKELY ACTIVE |
| EREcobat Resouces New York, LLC | Middletown | NY | 100–499 | ◐ LIKELY ACTIVE |
| ESEcobat Solutions LLC | Casa Grande | AZ | 20–99 | ◐ LIKELY ACTIVE |
| ESEco Services Operations CORP | Hammond | IN | 20–99 | ◐ LIKELY ACTIVE |
| EDEi Dorado, City Of-ouachita River Joint Pipeline | El Dorado | AR | — | ◐ LIKELY ACTIVE |
| EDE.i. Du Pont De Nemours & Company | Newark | DE | — | ◐ LIKELY ACTIVE |
| EAEkc Advanced Electronics Usa, LLC | Parlin | NJ | 1–19 | ◐ LIKELY ACTIVE |
| ERElement Resources LLC | Muncie | IN | 100–499 | ◐ LIKELY ACTIVE |
| ECElite Crete Systems Incorporated | Valparaiso | IN | 20–99 | ◐ LIKELY ACTIVE |
| EMElkem Metals Company | Ashtabula | OH | — | ◐ LIKELY ACTIVE |
| ESElkem Silicones Advanced Specialties | York | SC | 1–19 | ◐ LIKELY ACTIVE |
| EMEmd Millipore CORP | Norwood | OH | — | ◐ LIKELY ACTIVE |
| EPEmerald Performance Materials LLC | Henry | IL | — | ◐ LIKELY ACTIVE |
| ESEnergy Security Partners Gtl Plant | Redfield | AR | — | ◐ LIKELY ACTIVE |
| EKEnf Kyle Technology LLC | Kyle | TX | 20–99 | ◐ LIKELY ACTIVE |
| ETEnvirofocus Technologies LLC | Tampa | FL | — | ◐ LIKELY ACTIVE |
| EMEnvironmental Manufacturing Solutions LLC | Melbourne | FL | — | ◐ LIKELY ACTIVE |
| EDEnzyme Development Corporation | Scranton | PA | 20–99 | ◐ LIKELY ACTIVE |
| EEEquilon Enterprises LLC dba Shell Oil Products US - Norco Refinery | Norco | LA | 500+ | ◐ LIKELY ACTIVE |
| EEEquilon Enterprises LLC Shell Oil Prod | Wilmington | CA | — | ◐ LIKELY ACTIVE |
| ECEquistar Chemicals LP | Edison | NJ | 20–99 | ◐ LIKELY ACTIVE |
| ESEsstech Site B | Essington | PA | — | ◐ LIKELY ACTIVE |
| ECEvonik Corporation - Charleston, SC | Goose Creek | SC | 20–99 | ◐ LIKELY ACTIVE |
| ECEvonik Corporation, Draffens' Warehouse | Calvert City | KY | — | ◐ LIKELY ACTIVE |
| EDEvonik Deer Park | Deer Park | TX | 20–99 | ◐ LIKELY ACTIVE |
| EAExxonmobil Anchorage Tank Farm | Port Allen | LA | — | ◐ LIKELY ACTIVE |
| EBExxonMobil Baton Rouge Polyolefins | Baton Rouge | LA | 100–499 | ◐ LIKELY ACTIVE |
| EBExxonMobil Blending and Packaging Plant | Beaumont | TX | 100–499 | ◐ LIKELY ACTIVE |
| FEFabricated Extrusion CO LLC | Modesto | CA | 20–99 | ◐ LIKELY ACTIVE |
| FPFairfield Plant | Fairfield | OH | 1–19 | ◐ LIKELY ACTIVE |
| FLFg La LLC - Sunshine Project Early Works | Saint James | LA | — | ◐ LIKELY ACTIVE |
| FIFiber Industries, LLC | Darlington | SC | 1–19 | ◐ LIKELY ACTIVE |
| FWFinnchem:191 Wateree Station Road Plant | Eastover | SC | — | ◐ LIKELY ACTIVE |
| FHFlint Hills Resources LP | Rosemount | MN | 500+ | ◐ LIKELY ACTIVE |
| FNFlowcrete North America | Spring | TX | — | ◐ LIKELY ACTIVE |
| FRFluoropolymer Resources Inc. | Windham | CT | 20–99 | ◐ LIKELY ACTIVE |
| FCFmc Corporation | Philadelphia | PA | — | ◐ LIKELY ACTIVE |
| FCFmc Corporation | Newark | DE | — | ◐ LIKELY ACTIVE |