| ACAfton Chemical Corporation | Pasadena | 100–499 | ● ACTIVE |
| APAir Products Port Arthur | Port Arthur | 20–99 | ● ACTIVE |
Allied Petrochemical, LLC | Alvin | 20–99 | ● ACTIVE |
| BOBaytown Olefins Plant | Baytown | 100–499 | ● ACTIVE |
| CCCorpus Christi East Refinery | Corpus Christi | 100–499 | ● ACTIVE |
| EBExxonmobil Baytown Refinery | Baytown | 500+ | ● ACTIVE |
| HRHouston Refinery | Houston | 100–499 | ● ACTIVE |
| HRHouston Refining LP | Houston | 100–499 | ● ACTIVE |
Lone Star Specialty Products, LLC | Lone Star | — | ● ACTIVE |
Monument Chemical Houston LLC | Houston | 100–499 | ● ACTIVE |
| TPTotalenergies Petrochemicals & Refining INC - Port Arthur Refinery | Port Arthur | 500+ | ● ACTIVE |
| VCValero Corpus Christi Refineries - West Plant | Corpus Christi | 100–499 | ● ACTIVE |
Csa Materials, INC. | San Angelo | 20–99 | ● ACTIVE |
Reynolds Asphalt & Construction Company | North Richland Hills | 100–499 | ● ACTIVE |
South Coast Terminals, LLC | Houston | — | ● ACTIVE |
U.s. Corrosion Technologies a Relianse Global Company LLC | Garland | — | ● ACTIVE |
Ampd Labs, INC. | Houston | — | ● ACTIVE |
Asphalt Patch Enterprises, INC | New Braunfels | — | ● ACTIVE |
Bunker One (usa) INC. | Houston | — | ● ACTIVE |
Capital Gas Logistics & Oil Field Services INC | Spring | — | ● ACTIVE |
Carbon Asset Developer Associates LLC | Port Mansfield | — | ● ACTIVE |
Dyno Oil & Electric LLC | Kemah | — | ● ACTIVE |
Exacta Energy LLC | Coppell | — | ● ACTIVE |
Exxon Mobil Corporation | Spring | — | ● ACTIVE |
Global Polychem LLC | Houston | — | ● ACTIVE |
Inevitable Solutions, LLC | Houston | — | ● ACTIVE |
Jpac Global Acquisitions Group, LLC | Garland | — | ● ACTIVE |
| LELazarus Energy Holdings LLC | Houston | — | ● ACTIVE |
Longhorn State Enterprise, INC | Haltom City | — | ● ACTIVE |
Magna International Trading, LLC | Little Elm | — | ● ACTIVE |
Marquart Ip LLC | Houston | — | ● ACTIVE |
Omni Lubricants Limited | Lewisville | — | ● ACTIVE |
Primrose Oil Company | Dallas | — | ● ACTIVE |
Promecav INC | Houston | — | ● ACTIVE |
Shell Marine Products (us) Company | Houston | — | ● ACTIVE |
| SMSynolo Materials LLC | Edinburg | 20–99 | ● ACTIVE |
T. S. Moly-lubricants, INC | Houston | — | ● ACTIVE |
| VMValero Marketing and Supply CO | San Antonio | — | ● ACTIVE |
Vitol Aviation CO | Houston | — | ● ACTIVE |
Vp Racing Fuels, INC. | San Antonio | — | ● ACTIVE |
Waller County Asphalt INC. | Hempstead | — | ● ACTIVE |
West Texas Paving INC | Wolfforth | — | ● ACTIVE |
| BBestolife | Irving | 20–99 | ◐ LIKELY ACTIVE |
| EBExxonmobil Beaumont Refinery | Beaumont | 500+ | ◐ LIKELY ACTIVE |
| OCOwens Corning Irving | Irving | 20–99 | ◐ LIKELY ACTIVE |
| PRPetromax Refining Company, LLC | Houston | — | ◐ LIKELY ACTIVE |
| PPPolyguard Products | Ennis | 20–99 | ◐ LIKELY ACTIVE |
| PAPort Arthur Lubricants Plant | Port Arthur | 100–499 | ◐ LIKELY ACTIVE |
| TWThe Whitmore Manufacturing | Rockwall | 100–499 | ◐ LIKELY ACTIVE |
| TWTrecora Wax LLC | Pasadena | 100–499 | ◐ LIKELY ACTIVE |