| Valero Refining - Texas L.p. Houston Refinery | Houston | 2.1M |
| Sanderson Farms Llc | Bryan | 1.8M |
| Isp Technologies Inc | Texas City | 1.3M |
| Valero Refining-Texas Lp | Texas City | 1.2M |
| Sanderson Farms Palestine Processing | Palestine | 1.0M |
| Tyson Farms Inc-Center Tx P Rocessing | Center | 735.7k |
| Basf Corp - Freeport Site | Freeport | 706.1k |
| Phillips 66 Co Sweeny Refinery Complex | Old Ocean | 678.8k |
| Flint Hills Resources Corpus Christi Llc - West Plant | Corpus Christi | 515.4k |
| Solvay Chemicals Inc | La Porte | 495.5k |
| Darling Ingredients Inc. - Grapeland | Grapeland | 489.3k |
| Citgo Refining & Chemicals Co Lp East Plant | Corpus Christi | 454.5k |
| Valero Three Rivers Refinery | Three Rivers | 335.0k |
| Valero Refining-Texas Lp Corpus Christi West Plant | Corpus Christi | 311.6k |
| Covestro Llc | Baytown | 308.7k |
| Sanderson Farms Llc | Waco | 298.2k |
| Sanderson Farms Tyler Processing | Tyler | 224.0k |
| Inv Nylon Chemicals Americas Victoria Site | Victoria | 212.8k |
| Flint Hills Resources Corpus Christi Llc - East Plant | Corpus Christi | 152.0k |
| Citgo Refining & Chemicals Co Lp-West Plant | Corpus Christi | 150.6k |
| Deer Park Refining Lp | Deer Park | 150.0k |
| Valero Refining Texas Lp Corpus Christi East Plant | Corpus Christi | 146.7k |
| Diamond Shamrock Refining Co Lp | Sunray | 123.7k |
| Philllips 66 Co Borger Refinery | Borger | 119.5k |
| Equistar Chemicals Lp | La Porte | 110.0k |
| Graphic Packaging International Llc | Queen City | 102.9k |
| Frito-Lay, Inc. | Rosenberg | 100.0k |
| Premcor Refining Group Inc Port Arthur | Port Arthur | 94.2k |
| Us Navy Naval Air Station Corpus Christi | Corpus Christi | 84.9k |
| Nutrien Us Llc | Borger | 84.9k |
| Oxy Vinyls Lp Pasadena Pvc Plant | Pasadena | 72.4k |
| Tyson Fresh Meats Inc | Amarillo | 64.0k |
| Gulf Coast Growth Ventures Llc | Gregory | 43.3k |
| Ineos Usa Llc - Chocolate Bayou Plant | Alvin | 41.0k |
| Shell Chemical Lp | Deer Park | 33.4k |
| Chevron Phillips Chemical Co Lp | Baytown | 29.0k |
| Lubrizol Corp Deer Park Facility | Deer Park | 21.5k |
| Us Ecology Texas Inc | Robstown | 17.2k |
| Continental Dairy Facilities Southwest Llc | Littlefield | 16.5k |
| Ineos Nitriles Usa Llc Green Lake Plant | Port Lavaca | 14.0k |
| Westrock Texas Lp | Evadale | 14.0k |
| Goodyear Tire & Rubber Co | Beaumont | 7.1k |
| Vencorex Us Inc | Freeport | 6.2k |
| Totalenergies Petrochemicals & Refining Usa Inc-Port Arthur | Port Arthur | 2.9k |
| Vam Usa | Houston | 2.8k |
| Lyondellbasell Acetyls Llc | La Porte | 2.1k |
| Haldor Topsoe Inc | Pasadena | 2.0k |
| Schreiber Foods Inc | Stephenville | 1.1k |
| Ketjen Llc - Bayport Plant | Pasadena | 622 |
| Ronald Reagan Cbp | Georgetown | 554 |
| The Pittsburgh Paints Co. | Carrollton | 357 |
| Hilmar Cheese Co Dalhart | Dalhart | 271 |
| International Paper - Landfill | Orange | 181 |
| Dairy Farmers Of America Kellers Creamery Div | Winnsboro | 55 |
| Blue Line Corp | San Antonio | 5 |
| Dfa Dairy Brands Fluid Llc Dba Oak Farms | Houston | 5 |
| Dfa Dairy Brands Fluid Llc Dba Oak Farms | San Antonio | 5 |
| Dfa Dairy Brands Fluid Llc Dba Gandy's | Lubbock | 5 |
| Alpha Omega Recycling Inc. | Longview | 5 |
| Samsung Austin Semiconductor | Austin | 4 |
| Houston Plating & Coatings Llc | South Houston | 1 |
| Nalco Fresno Facility | Fresno | 1 |
| Clean Harbors Deer Park Llc | La Porte | 0 |
| Evonik Active Oxygens Llc Bayport Plant | Pasadena | 0 |
| Tower Extrusions Llc | Olney | 0 |
| Refresco Beverages Us Waco Plant | Waco | 0 |
| Weatherford Aerospace Llc | Weatherford | 0 |
| Phillips 66 Old Ocean Ngl Fractionation Plant | Old Ocean | 0 |
| Sika Sealy Texas | Sealy | 0 |
| San Antonio Frito Lay | San Antonio | 0 |
| Toyota Motor Manufacturing Texas | San Antonio | 0 |
| Nxp Usa Inc. - Ed Bluestein Facility | Austin | 0 |
| Chemtreat Inc | Nederland | 0 |
| Southwestern Public Service Co Harrington Station | Amarillo | 0 |
| Hiland Dairy Foods Llc | Conroe | 0 |
| Veolia Water Technologies & Solutions Inc. - Orange | Orange | 0 |
| Towerjazz Texas | San Antonio | 0 |
| Bef Foods Inc | Sulphur Springs | 0 |
| Insteel Wire Products Co | Houston | 0 |
| Western Extrusions Corp | Carrollton | 0 |
| Gmc Truck Group Arlington Assembly Plant | Arlington | 0 |
| Chryso Inc. | Royse City | 0 |
| Lsb Chemical L.l.c. | Baytown | 0 |
| Deer Park_tx (Roh) | Deer Park | 0 |
| Vandervoorts Dairy Foods Co | Fort Worth | 0 |
| Frito-Lay | Irving | 0 |
| Texas Instruments Inc | Dallas | 0 |
| Texas Instruments Inc | Richardson | 0 |
| Marathonnorco Aerospace Inc | Waco | 0 |
| Tyson Farms Inc. - Seguin Poultry Processing Plant | Seguin | 0 |
| Eagle Family Foods Group Llc | El Paso | 0 |
| Mantaline Corp | San Antonio | 0 |
| Centex Materials - South Plant Rmx | Austin | 0 |
| Pci Nitrogen Llc | Pasadena | 0 |
| Ge Engine Services Mcallen Lp | Mcallen | 0 |
| Centex Materials - Round Rock Rmx | Austin | 0 |
| Danone Us Llc | Fort Worth | 0 |
| Usg Paper Llc | Orange | 0 |
| Gcp Applied Technologies Inc | Houston | 0 |
| Veolia Es Technical Solutions Llc Port Arthur Facility | Beaumont | 0 |