| TRTexaco Refining and Marketing | Anaheim | CA | — | ◇ UNVERIFIED |
| TCTexas City Hydrogen Carbon Monoxide Facility | Texas City | TX | — | ◇ UNVERIFIED |
| TCTexas City Refinery | Texas City | TX | — | ◇ UNVERIFIED |
| TFTexas Futura LLC | Palestine | TX | — | ◇ UNVERIFIED |
| TMTexas Molecular - Deer Park Services | Deer Park | TX | — | ◇ UNVERIFIED |
| TOTexas Operations | Longview | TX | — | ◇ UNVERIFIED |
| TETexpar Energy, LLC | Davenport | IA | — | ◇ UNVERIFIED |
| TRTextile Rubber & Chemical CO | Dalton | GA | — | ◇ UNVERIFIED |
| TPThacker Pass/kings River Valley Lithium Project | Orovada | NV | — | ◇ UNVERIFIED |
| TCThatcher Chemical of Florida INC | Palmetto | FL | — | ◇ UNVERIFIED |
 Thatcher Company of California, INC. - Stockton | Stockton | CA | — | ◇ UNVERIFIED |
| TCThatcher Company of Montana | Missoula | MT | — | ◇ UNVERIFIED |
| TAThe Alpha Corporation of Tennessee INC | Perris | CA | — | ◇ UNVERIFIED |
| TAThe Andersons Marathon Holdings LLC - Greenville Plant (0819750245) | Greenville | OH | — | ◇ UNVERIFIED |
| TAThe Art Lithocraft Company | Modesto | CA | — | ◇ UNVERIFIED |
| TCThe Chemours Company | Niagara Falls | NY | — | ◇ UNVERIFIED |
| TCThe Chemours Company | Fremont | CA | — | ◇ UNVERIFIED |
| TDThe Dow Chemical CO | Joliet | IL | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Deer Park | TX | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Plaquemine | LA | — | ◇ UNVERIFIED |
| TFThe Fountain People, INC. | San Marcos | TX | — | ◇ UNVERIFIED |
| TGThe Geon Company | Deer Park | TX | — | ◇ UNVERIFIED |
| TIThe International Group INC | Richmond | CA | — | ◇ UNVERIFIED |
| TLThe Lamotte Chemical Products Company | Chestertown | MD | — | ◇ UNVERIFIED |
| TLThe Lewis Chemical CO. | Rome | GA | — | ◇ UNVERIFIED |
| TLThe Lubrizol Corporation | El Cajon | CA | — | ◇ UNVERIFIED |
| TMThe Marbleworks | North Port | FL | — | ◇ UNVERIFIED |
| TMThe Mundy Companies | Pasadena | TX | — | ◇ UNVERIFIED |
 The New York Blower Company | Philadelphia | MS | — | ◇ UNVERIFIED |
| TPThe P D George Company | Fort Wayne | IN | — | ◇ UNVERIFIED |
| TPThermedics Polymer Products | Woburn | MA | — | ◇ UNVERIFIED |
| TFThermo Fisher Scientific | Bedford, Town of | MA | — | ◇ UNVERIFIED |
| TFThermo Fluids INC | Sparks | NV | — | ◇ UNVERIFIED |
| TFThermo Fluids INC. White City | White City | OR | — | ◇ UNVERIFIED |
| TPThermoplastic Processes INC | Stirling | NJ | — | ◇ UNVERIFIED |
| TRThe Rtr Group INC | Fayetteville | TN | — | ◇ UNVERIFIED |
| TSThe San Antonio Refinery | San Antonio | TX | — | ◇ UNVERIFIED |
| TSThe San Antonio Refinery | San Antonio | TX | — | ◇ UNVERIFIED |
| TTThe Tartaric Chemicals Corporation | Modesto | CA | — | ◇ UNVERIFIED |
| TTThe Terra Firma Company C/o Weber Logistics | Chino | CA | — | ◇ UNVERIFIED |
| TSThomas Swan Opelika, INC. | Opelika | AL | — | ◇ UNVERIFIED |
| TLThornhill LLC | Monroe | MI | — | ◇ UNVERIFIED |
| TCThree Creek Bioenergy | Sheffield | OH | — | ◇ UNVERIFIED |
| TRThree Rivers Biofuels LLC | Burnsville | MS | — | ◇ UNVERIFIED |
| TRThree Rivers Energy, LLC (0616010087) | Coshocton | OH | — | ◇ UNVERIFIED |
| TLThums Long Beach Company | Long Beach | CA | — | ◇ UNVERIFIED |
| TFTiburon Fire Protection District | Tiburon | CA | — | ◇ UNVERIFIED |
| TLTicona LLC | Summit | NJ | — | ◇ UNVERIFIED |
| TPTicona Polymers INC. | Florence | KY | — | ◇ UNVERIFIED |
| TPTicona Polymers, INC. | Bishop | TX | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/a1 Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/a4/a5 Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/carrack | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/j1 Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/j3 Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/j4 Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company Etal | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company Etal | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Company, Etal | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/north Area | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/parcel a | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier a West | Wilmington | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier C | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier G Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier J Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/pier S East | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/reef Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/standard Lea | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/west Dow | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/w Wells Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/yard Prod Ya | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production Co/z1 Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TOTidelands Oil Production/pier E Site | Long Beach | CA | — | ◇ UNVERIFIED |
| TPTiger-sul Products LLC | Stockton | CA | — | ◇ UNVERIFIED |
| TLTke LLC | Liberty | TN | — | ◇ UNVERIFIED |
| TOTmb Oil CO INC #1 | Anaheim | CA | — | ◇ UNVERIFIED |
| TOTmb Oil CO INC #2 | Anaheim | CA | — | ◇ UNVERIFIED |
| TCTokai Carbon Cb | Long Beach | CA | — | ◇ UNVERIFIED |
| TIToledo Industrial Center Company | Toledo | OH | — | ◇ UNVERIFIED |
| TCTooling & Components Corp | Toledo | OH | — | ◇ UNVERIFIED |
| TRTorrance Refining Company LLC | Torrance | CA | — | ◇ UNVERIFIED |
| TRTosco Refining Company | Carson | CA | — | ◇ UNVERIFIED |
| TRTosco Refining Company | Wilmington | CA | — | ◇ UNVERIFIED |
| TMTotal Molding Solutions INC | Tecumseh | MI | — | ◇ UNVERIFIED |
| TPTotal Petrochemicals & Refining Usa, INC | Stratford | CT | — | ◇ UNVERIFIED |
| TPTotal Petrochemicals & Refining Usa, INC. | La Porte | TX | — | ◇ UNVERIFIED |
| TSTotal Safety | Port Arthur | TX | — | ◇ UNVERIFIED |
| TSTotal Source Molders, INC. | Reinbeck | IA | — | ◇ UNVERIFIED |
| TIToter INC | Sanger | CA | — | ◇ UNVERIFIED |
 Tournesol Siteworks | Fremont | CA | — | ◇ UNVERIFIED |
| TPTower Product LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| TCTowne Cleaners | Rohnert Park | CA | — | ◇ UNVERIFIED |
| TFToxguard Fluid Technologies INC | Stanton | CA | — | ◇ UNVERIFIED |
| TPTpi Petroleum Incorporated | Alma | MI | — | ◇ UNVERIFIED |
| TCTrabuco Canyon Waterdistrict | Lake Forest | CA | — | ◇ UNVERIFIED |
| TITranschem Industries INC. | Fayetteville | GA | — | ◇ UNVERIFIED |
| TATransparent Armor LLC | South Charleston | WV | — | ◇ UNVERIFIED |
| THTrecora Hydrocarbons Silsbee | Silsbee | TX | — | ◇ UNVERIFIED |
| TFTredegar Film Prod Inc/pottsville | Mar Lin | PA | — | ◇ UNVERIFIED |
