| BRBenz Research & Dev CORP | Sarasota | FL | — | ◐ LIKELY ACTIVE |
| BTBloomfield Terminal | Bloomfield | NM | — | ◐ LIKELY ACTIVE |
| BABp Amoco Chemical CO | Texas City | TX | — | ◐ LIKELY ACTIVE |
| BABp Amoco Chemical CO - Cooper River Plant | Wando | SC | — | ◐ LIKELY ACTIVE |
| CCCabot CORP Pampa Plant | Pampa | TX | — | ◐ LIKELY ACTIVE |
Calgon Carbon CORP - Neville Island Plt | Pittsburgh | PA | — | ◐ LIKELY ACTIVE |
| CRCalportland - Rillito Cement Plant | Marana | AZ | — | ◐ LIKELY ACTIVE |
| CDCalumet Dickinson Refining | Dickinson | TX | 20–99 | ◐ LIKELY ACTIVE |
| CICarbide Industries LLC | Louisville | KY | — | ◐ LIKELY ACTIVE |
| CBCelanese - Bay City Plant | Bay City | TX | — | ◐ LIKELY ACTIVE |
| CRChalmette Refining | Chalmette | LA | — | ◐ LIKELY ACTIVE |
| CPCherokee Pharm Llc/riverside Boro Plt | Riverside | PA | — | ◐ LIKELY ACTIVE |
| CEChevron El Segundo Refinery | El Segundo | CA | — | ◐ LIKELY ACTIVE |
| CMChevron Mm Pascagoula | Pascagoula | MS | — | ◐ LIKELY ACTIVE |
| CPChevron Phillips Chemical CO LP Clemens Terminal | Brazoria | TX | — | ◐ LIKELY ACTIVE |
Chevron Phillips Chemical Company LP - Cedar Bayou | Baytown | TX | — | ◐ LIKELY ACTIVE |
| CPChevron Products Company | Richmond | CA | — | ◐ LIKELY ACTIVE |
| CRCheyenne Renewable Diesel Company | Cheyenne | WY | — | ◐ LIKELY ACTIVE |
| CCCitgo Corpus Christi Refinery East Plant | Corpus Christi | TX | — | ◐ LIKELY ACTIVE |
| CPCitgo Petroleum CORP | Romeoville | IL | — | ◐ LIKELY ACTIVE |
| CPCitgo Petroleum CORP - Lake Charles Manufacturing Complex | Sulphur | LA | — | ◐ LIKELY ACTIVE |
| CHClean Harbors San Leon | San Leon | TX | — | ◐ LIKELY ACTIVE |
| CRConvent Refinery | Convent | LA | — | ◐ LIKELY ACTIVE |
| CRCountrymark Refining and Logistics LLC | Westfield | IN | — | ◐ LIKELY ACTIVE |
| CRCountrymark Refining and Logistics LLC | Mount Vernon | IN | — | ◐ LIKELY ACTIVE |
| COCpi Operations LLC - Paulsboro Facility | Paulsboro | NJ | — | ◐ LIKELY ACTIVE |
| CTCpj Technologies | Taylors | SC | — | ◐ LIKELY ACTIVE |
| DWD.b. Western - Texas | La Porte | TX | — | ◐ LIKELY ACTIVE |
| DPDenka Performance Elastomer LLC | Laplace | LA | — | ◐ LIKELY ACTIVE |
| DSDiamond Shamrock Refinery - Three Rivers | Three Rivers | TX | — | ◐ LIKELY ACTIVE |
| DSDiamond Shamrock Refining CO LP | Sunray | TX | — | ◐ LIKELY ACTIVE |
| DCDupont Company - Corpus Christi Plant | Ingleside | TX | — | ◐ LIKELY ACTIVE |
| DLDupont La Porte Plant | La Porte | TX | — | ◐ LIKELY ACTIVE |
| ESEco Services Operations Houston | Houston | TX | — | ◐ LIKELY ACTIVE |
| EDEl Dorado Refinery | El Dorado | AR | — | ◐ LIKELY ACTIVE |
| ECElementis Chromium Corpus Christ Tx Facility | Corpus Christi | TX | — | ◐ LIKELY ACTIVE |
| ETEnergy Transfer Marcus Hook Terminal | Marcus Hook | PA | — | ◐ LIKELY ACTIVE |
| ECEquistar Chemicals | Clinton | IA | — | ◐ LIKELY ACTIVE |
| ECEquistar Chemicals | Corpus Christi | TX | — | ◐ LIKELY ACTIVE |
| ECEquistar Chemicals-laporte | La Porte | TX | — | ◐ LIKELY ACTIVE |
| ECEquistar Chemicals, LP - Morris Plant | Morris | IL | — | ◐ LIKELY ACTIVE |
| EAErgon Asphalt & Emulsions | Bainbridge | GA | — | ◐ LIKELY ACTIVE |
| EWErgon West Virginia INC | Newell | WV | 100–499 | ◐ LIKELY ACTIVE |
| ECEvonik CORP. - Haysville | Haysville | KS | — | ◐ LIKELY ACTIVE |
| EOExxonmobil Oil Corporation | Channahon | IL | — | ◐ LIKELY ACTIVE |
| FCFhr Corpus Christi West Refinery | Corpus Christi | TX | — | ◐ LIKELY ACTIVE |
| FHFlint Hills North Pole | North Pole | AK | — | ◐ LIKELY ACTIVE |
| FHFlint Hills Resources Corpus Christi East Plant | Corpus Christi | TX | — | ◐ LIKELY ACTIVE |
| FHFlint Hills Resources Pine Bend, LLC | Rosemount | MN | — | ◐ LIKELY ACTIVE |
| FPFreeport Plant | Freeport | TX | — | ◐ LIKELY ACTIVE |