| MMartech | Midlothian | 20–99 | ◐ LIKELY ACTIVE |
| PPowerlab | Terrell | 20–99 | ◐ LIKELY ACTIVE |
| PSPower Service Prods INC | Weatherford | 20–99 | ◐ LIKELY ACTIVE |
| SCSelect Chemicals INC | Wichita Falls | 20–99 | ◐ LIKELY ACTIVE |
| SRSid Richardson Carbon CO | Borger | — | ◐ LIKELY ACTIVE |
| SPStandard Paints | Mansfield | 20–99 | ◐ LIKELY ACTIVE |
| SCSyntech Chemicals | Houston | 20–99 | ◐ LIKELY ACTIVE |
| TBTerra Biochem Jasper Plant | Jasper | 1–19 | ◐ LIKELY ACTIVE |
| VPVoluntary Purchasing Group | Bonham | 20–99 | ◐ LIKELY ACTIVE |
| PCPolymer Chemistry Chocolate Bayou LLC | Alvin | 1–19 | ◇ UNVERIFIED |
| 3T3m Tomball | Tomball | 20–99 | ◐ LIKELY ACTIVE |
| ACAbc Compounding CO of Texas INC | Grand Prairie | 20–99 | ◐ LIKELY ACTIVE |
| APAdhesive Polymers Plant | Freeport | — | ◐ LIKELY ACTIVE |
| AFAgrifos Fertilizer L.l.c. | Pasadena | — | ◐ LIKELY ACTIVE |
| AUAgrium U.s. Inc.dba Borger Nitrogen Operation | Borger | — | ◐ LIKELY ACTIVE |
| ALAir Liquide - Freeport Hyco Plant | Freeport | — | ◐ LIKELY ACTIVE |
| AAllergan | Waco | — | ◐ LIKELY ACTIVE |
| AAmpharmco | Fort Worth | 20–99 | ◐ LIKELY ACTIVE |
| AEArcwood Environmental LLC - B-4000 | Orange | — | ◐ LIKELY ACTIVE |
| ACArkema- Clearlake Plant | Pasadena | — | ◐ LIKELY ACTIVE |
| AHArkema Houston Plant | Houston | 20–99 | ◐ LIKELY ACTIVE |
| AIArkema INC. - Beaumont Plant | Beaumont | — | ◐ LIKELY ACTIVE |
| ACAshland Chemical | Houston | — | ◐ LIKELY ACTIVE |
| ASAustin Star Detonator | Brownsville | 20–99 | ◐ LIKELY ACTIVE |
| BCBasf CORP - Freeport Site | Freeport | — | ◐ LIKELY ACTIVE |
| BCBasf Corporation Pasadena Texas Plant | Pasadena | — | ◐ LIKELY ACTIVE |
| BTBasf Totalenergies Petrochemicals LLC | Port Arthur | — | ◐ LIKELY ACTIVE |
| BMBayer Materialscience - Baytown Facility | Baytown | — | ◐ LIKELY ACTIVE |
| BGBeaumont Gas to Gasoline Plant | Beaumont | — | ◐ LIKELY ACTIVE |
| BSBig Spring Carbon Black Plant | Big Spring | — | ◐ LIKELY ACTIVE |
| BCBorden Chemical INC | Diboll | — | ◐ LIKELY ACTIVE |
| BLBraskem - La Porte Plant | La Porte | — | ◐ LIKELY ACTIVE |
| CCCabot CORP Pampa Plant | Pampa | — | ◐ LIKELY ACTIVE |
| CCarefusion | El Paso | — | ◐ LIKELY ACTIVE |
| CCarrollton | Carrollton | 20–99 | ◐ LIKELY ACTIVE |
| COCatalyst Oilfield Services | Gardendale | — | ◐ LIKELY ACTIVE |
| CBCelanese - Bay City Plant | Bay City | — | ◐ LIKELY ACTIVE |
| CIChemours Ingleside Plant | Ingleside | — | ◐ LIKELY ACTIVE |
| CPChevron Phillips Chemical CO LP Clemens Terminal | Brazoria | — | ◐ LIKELY ACTIVE |
Chevron Phillips Chemical Company LP - Cedar Bayou | Baytown | — | ◐ LIKELY ACTIVE |
| CCContinental Carbon Company | Houston | 20–99 | ◐ LIKELY ACTIVE |
| CCCook Composites & Polymers CO | Marshall | — | ◐ LIKELY ACTIVE |
| DWD.b. Western - Texas | La Porte | — | ◐ LIKELY ACTIVE |
| DGDp Glycine LLC (formerly Geo Specialty Chemicals) | Deer Park | — | ◐ LIKELY ACTIVE |
| DLDupont La Porte Plant | La Porte | — | ◐ LIKELY ACTIVE |
| DIDysol INC | Rhome | 20–99 | ◐ LIKELY ACTIVE |
| ESEco Services Operations Houston | Houston | — | ◐ LIKELY ACTIVE |
| EKEnf Kyle Technology LLC | Kyle | 20–99 | ◐ LIKELY ACTIVE |
| ECEquistar Chemicals-laporte | Laporte | — | ◐ LIKELY ACTIVE |
| ECEquistar Chemicals LP Matagor Da Facility | Bay City | — | ◐ LIKELY ACTIVE |