| RCRhetech Colors | Sandusky | OH | 20–99 | ◐ LIKELY ACTIVE |
| RIRhino INC | Maple Lake | MN | 100–499 | ◐ LIKELY ACTIVE |
| RIRlr Industries | Mableton | GA | — | ◐ LIKELY ACTIVE |
| RARohm and Haas - Louisville Plant | Louisville | KY | — | ◐ LIKELY ACTIVE |
| RHRohm & Haas Co/bristol | Bristol | PA | — | ◐ LIKELY ACTIVE |
| RERotuba Extruders INC. | Linden | NJ | — | ◐ LIKELY ACTIVE |
| SXSafuels X Renewable Fuels Facility | Williston | ND | — | ◐ LIKELY ACTIVE |
| SPSaint-gobain Performance Plastics Corporation | Akron | OH | — | ◐ LIKELY ACTIVE |
| SMSantolubes Manufacturing LLC | Spartanburg | SC | 20–99 | ◐ LIKELY ACTIVE |
| SCSasco Chemical Group, LLC - Monroe | Albany | GA | 1–19 | ◐ LIKELY ACTIVE |
| SCSasol Chem USA Llc/oil City | Oil City | PA | — | ◐ LIKELY ACTIVE |
| STScion Technologies | Pasadena | TX | 20–99 | ◐ LIKELY ACTIVE |
| SESeaboard Energy Kansas | Hugoton | KS | 100–499 | ◐ LIKELY ACTIVE |
| SESeaboard Energy Missouri, LLC | Saint Joseph | MO | 20–99 | ◐ LIKELY ACTIVE |
| SESeaboard Energy of Oklahoma, LLC | Guymon | OK | 20–99 | ◐ LIKELY ACTIVE |
| SASealed Air - Madera | Madera | CA | — | ◐ LIKELY ACTIVE |
| SESeaport Environmental - Refining | Redwood City | CA | — | ◐ LIKELY ACTIVE |
| SPSeaport Portland Terminal | Portland | OR | — | ◐ LIKELY ACTIVE |
| SCSeljan Company, INC. | Lake Mills | WI | 100–499 | ◐ LIKELY ACTIVE |
| SOShell Oil Products US Van Nuys Terminal | Van Nuys | CA | — | ◐ LIKELY ACTIVE |
| SLShelly Liquid Division | Gallipolis | OH | — | ◐ LIKELY ACTIVE |
| SEShin Etsu Silicones of America | Akron | OH | 1–19 | ◐ LIKELY ACTIVE |
| SSShin-Etsu Silicones of America, Inc. Damar | Akron | OH | 100–499 | ◐ LIKELY ACTIVE |
| SSShin-Etsu Silicones of America, Inc. Evans 1 | Akron | OH | 20–99 | ◐ LIKELY ACTIVE |
| SSShin-Etsu Silicones of America, Inc. Evans 2 | Akron | OH | 20–99 | ◐ LIKELY ACTIVE |
| SUShpp US LLC | Mount Vernon | IN | — | ◐ LIKELY ACTIVE |
| SGSi Group INC Orangeburg | Orangeburg | SC | — | ◐ LIKELY ACTIVE |
| SNSirmax North America | Anderson | IN | 20–99 | ◐ LIKELY ACTIVE |
| SPSk Primacor Americas | Freeport | TX | — | ◐ LIKELY ACTIVE |
| SMSmith Meat Packing, Inc. | Port Huron | MI | — | ◐ LIKELY ACTIVE |
| SLSolenis, LLC | Wilmington | DE | — | ◐ LIKELY ACTIVE |
| SMSolugen Minetta Facility | Houston | TX | — | ◐ LIKELY ACTIVE |
| SMSoulbrain Mi Incorporated | Kokomo | IN | — | ◐ LIKELY ACTIVE |
| SPSpecialty Products Us, LLC - Polyox Plant | Institute | WV | — | ◐ LIKELY ACTIVE |
| SISprintray, INC. | Los Angeles | CA | — | ◐ LIKELY ACTIVE |
| SIStoropack, Inc. - Atlanta | Atlanta | GA | 1–19 | ◐ LIKELY ACTIVE |
| SIStoropack, Inc. - Edison | Edison | NJ | 1–19 | ◐ LIKELY ACTIVE |
| SSSumika Semiconductor Materials Texas | Baytown | TX | 20–99 | ◐ LIKELY ACTIVE |
| SPSungro Products LLC | Los Angeles | CA | — | ◐ LIKELY ACTIVE |
| SISunoco INC Eagle Point Refinery | Westville | NJ | — | ◐ LIKELY ACTIVE |
| SISunoco INC (r&m) Eagle Point Facility | Westville | NJ | — | ◐ LIKELY ACTIVE |
| SPSun Polymers | Mooresville | IN | 20–99 | ◐ LIKELY ACTIVE |
| TATeijin Automotive Technologies, Van Wert, Ohio | Van Wert | OH | 20–99 | ◐ LIKELY ACTIVE |
| TBTesoro - Barbers Point Marine Loading | Kapolei | HI | — | ◐ LIKELY ACTIVE |
| TLTesoro Logistics Operations Dig Site #8 | Salt Lake City | UT | — | ◐ LIKELY ACTIVE |
| TLTesoro Los Angeles Refinery and Sulfur Recovery Plant - Wilmington | Carson | CA | — | ◐ LIKELY ACTIVE |
| TRTesoro Refining and Marketing Co., LLC - Los Angeles Refinery | Wilmington | CA | — | ◐ LIKELY ACTIVE |
| TRTesoro Refining & Marketing - Carson Refinery | Carson | CA | — | ◐ LIKELY ACTIVE |
| TLThe Lubrizol Corporation | Painesville | OH | — | ◐ LIKELY ACTIVE |
| TFThermo Fisher Scientific | Bedford | MA | — | ◐ LIKELY ACTIVE |