Action Manufacturing CO | Atglen | PA | — | ● ACTIVE |
| ACAfton Chemical Corporation | Pasadena | TX | 100–499 | ● ACTIVE |
| APAir Products Port Arthur | Port Arthur | TX | 20–99 | ● ACTIVE |
Allied Petrochemical, LLC | Alvin | TX | 20–99 | ● ACTIVE |
| AUAllnex USA INC | Belmont | WV | 20–99 | ● ACTIVE |
| APAlpek Polyester Usa, LLC Columbia Site | Gaston | SC | 100–499 | ● ACTIVE |
| ADAnderson Development Company | Adrian | MI | 100–499 | ● ACTIVE |
| APAscend Performance Materials Operations | Cantonment | FL | 500+ | ● ACTIVE |
| BOBaytown Olefins Plant | Baytown | TX | 100–499 | ● ACTIVE |
| BWBig West Oil North Salt Lake Refinery | North Salt Lake | UT | 100–499 | ● ACTIVE |
Bonanza Bioenergy LLC | Garden City | KS | — | ● ACTIVE |
| BABorchers Americas | Franklin | PA | 20–99 | ● ACTIVE |
| BCBp Cherry Point Refinery | Blaine | WA | 500+ | ● ACTIVE |
| CKCalumet Karns City Refining | Karns City | PA | 100–499 | ● ACTIVE |
Cardinal Colwich, LLC | Colwich | KS | 20–99 | ● ACTIVE |
| CPChevron Phillips Chemical Sweeny Old Ocean Facilities | Sweeny | TX | 500+ | ● ACTIVE |
| CIChs INC Laurel Refinery | Laurel | MT | 100–499 | ● ACTIVE |
| CMChs - Mcpherson Refinery | Mcpherson | KS | 500+ | ● ACTIVE |
| CRCoffeyville Resources Refining and Marketing, LLC | Coffeyville | KS | 100–499 | ● ACTIVE |
| CCCoopers Creek Chemical CORP | West Conshohocken | PA | 20–99 | ● ACTIVE |
| CCCorpus Christi East Refinery | Corpus Christi | TX | 100–499 | ● ACTIVE |
| DCDelaware City Refining CO LLC | Delaware City | DE | 500+ | ● ACTIVE |
Dixie Chemical Company, INC. | Pasadena | TX | 100–499 | ● ACTIVE |
| DPDupont Pontchartrain Site | Laplace | LA | 100–499 | ● ACTIVE |
Eastman Chemical Company, Texas Operations | Longview | TX | 500+ | ● ACTIVE |
| ECEstron Chemical INC | Calvert City | KY | 20–99 | ● ACTIVE |
| EBExxonmobil Baton Rouge Chemical Plant | Baton Rouge | LA | 500+ | ● ACTIVE |
| EBExxonmobil Baton Rouge Refinery | Baton Rouge | LA | 500+ | ● ACTIVE |
| EBExxonmobil Baytown Refinery | Baytown | TX | 500+ | ● ACTIVE |
| FPFormosa Plastics Corporation, Texas | Point Comfort | TX | 500+ | ● ACTIVE |
Glacial Lakes Energy LLC | Watertown | SD | 20–99 | ● ACTIVE |
| GAGranges Americas INC. | Newport | AR | 100–499 | ● ACTIVE |
Greenfield Global USA INC. | Shelbyville | KY | 20–99 | ● ACTIVE |
| HRHouston Refinery | Houston | TX | 100–499 | ● ACTIVE |
| HRHouston Refining LP | Houston | TX | 100–499 | ● ACTIVE |
| ILIsp Lima LLC | Lima | OH | 20–99 | ● ACTIVE |
Kor-chem, INC. | Atlanta | GA | — | ● ACTIVE |
| LILouisiana Integrated Polyethylene Jv LLC | Westlake | LA | 100–499 | ● ACTIVE |
| LCLyondell Chemical - Bayport Plant | Pasadena | TX | 100–499 | ● ACTIVE |
| LCLyondell Chemical Channelview | Channelview | TX | 500+ | ● ACTIVE |
| MRMartinez Refining | Martinez | CA | 500+ | ● ACTIVE |
| MEMonroe Energy, LLC - Trainer Refinery | Trainer | PA | 100–499 | ● ACTIVE |
Monument Chemical Houston LLC | Houston | TX | 100–499 | ● ACTIVE |
| MCMonument Chemical Kentucky LLC | Brandenburg | KY | 100–499 | ● ACTIVE |
Monument Chemical Port Arthur, LLC | Port Arthur | TX | 20–99 | ● ACTIVE |
New Leaf Biofuel, LLC | San Diego | CA | — | ● ACTIVE |
| NCNippon Chemical Texas INC | Pasadena | TX | 100–499 | ● ACTIVE |
| NENugen Energy LLC | Marion | SD | 20–99 | ● ACTIVE |
| OCOccidental Chemical Corporation - Wichita Plant | Wichita | KS | 100–499 | ● ACTIVE |
| OOrtec:easley | Easley | SC | 100–499 | ● ACTIVE |