| AUAirgas USA La Porte Region | La Porte | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ALAir Liquide America Specialty Gases La Porte | La Porte | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ALAir Liquide - Longview Pox Asu Plant | Longview | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| APAir Products Manufacturing CORP. Hansford Facility | Gruver | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ACAmerican Coatings INC | Tomball | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| APAquapharm Pchem | Latexo | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| ADAsc Dallas | Grand Prairie | TX | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| APAstrazeneca Pharmaceuticals | Coppell | TX | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| AAsuragen | Austin | TX | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| AAustinpx | Georgetown | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BPBaker Petrolite Corporation | Midland | TX | Chemical Manufacturing325000 | — | ◇ UNVERIFIED |
| BPBaker Petrolite Sugar Land | Sugar Land | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BCBasf Caldwell | Caldwell | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| BCBasf Corporation | Carrollton | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| BCBayer Cropscience - Erskine Facility | Lubbock | TX | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| BHBaze Hemical | Palestine | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| BTBenuvia Therapeutics | Round Rock | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BLBig Lake Plant | Big Lake | TX | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| BTBig Three Industrial Gas INC Ingleside Plant | Ingleside | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BBio-synthesis | Lewisville | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BPBlackhawk Power Plant | Borger | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| BGBoc Gases | Pasadena | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BGBoc Gases Baytown Co2 Plant | Baytown | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BMBonanza Marble | Houston | TX | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| BSBrenntag Southwest - Greens Bayou | Houston | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CCCalgon Corporation Sub Merck and CO | Pasadena | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CSCapital Southwest Rectorseal | Houston | TX | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CLCbi Laboratories | Fort Worth | TX | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| CLCelanese Limited | Corpus Christi | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CLCelanese LTD | Pampa | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| C3Chem 32 | West Orange | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CEClean Energy Texas Lng | Willis | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| CPClorox Prods Mfg CO | Houston | TX | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CPComposite Product Division Freeport | Freeport | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CFCorteva Freeport Operations | Freeport | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| DCDallas Chemical Techs INC | Houston | TX | Chemical Manufacturing325191 | — | ◇ UNVERIFIED |
| DPDfb Pharmaceuticals | Brooks City Base | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| DPDon-nan Pump and Supply | Temple | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DKDorf Ketal Energy Services | Midland | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DLDpt Laboratories | Brooks City Base | TX | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| DPDu Pont Dallas Refinish Service Center | Dallas | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
 Eastman Chemical Tyler Terminal | Tyler | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| EVEast Vealmoor Gas Plant | Coahoma | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| EEEffective Environmental - Corsicana Plant | Corsicana | TX | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| EEEffective Environmental - Pasadena Facility | Pasadena | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| EIE I Dupont De Nemours | Houston | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| EPEl Paso Pvc | El Paso | TX | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| ETElt Trex Properties | Arlington | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| EFEnnis Flint North | Ennis | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| EPEnnis Paint South Plant | Ennis | TX | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
