| Union Carbide Corp Seadrift Plant | Seadrift | 1.1M |
| Eastman Chemical Co Texas Operations | Longview | 1.0M |
| Westlake Longview Corp | Longview | 968.1k |
| Chevron Phillips Chemical Co Lp | Baytown | 822.8k |
| Formosa Plastics Corp Texas | Point Comfort | 682.5k |
| Mobil Chemical Co Beaumont Polyethylene Plant | Beaumont | 565.0k |
| Dow Sabine River Operations | Orange | 482.8k |
| Shell Chemical Lp | Deer Park | 419.0k |
| Ineos Usa Llc - Chocolate Bayou Plant | Alvin | 282.1k |
| Chevron Phillips Chemical Co Lp Sweeny Complex | Sweeny | 236.6k |
| Basf Totalenergies Petrochemicals Llc | Port Arthur | 153.1k |
| Chevron Phillips Chemical Co | Port Arthur | 131.0k |
| Gulf Coast Growth Ventures Llc | Gregory | 109.7k |
| Equistar Chemicals Lp | Corpus Christi | 102.1k |
| Honeywell International Inc | Orange | 92.7k |
| Chevron Phillips Chemical Co Lp-Orange | Orange | 86.8k |
| Exxonmobil Mont Belvieu Plastics Plant | Baytown | 85.7k |
| Chevron Phillips Chemical Co - Pasadena Plastics Complex | Pasadena | 84.0k |
| Dow Victoria Site | Victoria | 81.4k |
| Motiva - Port Arthur Chemicals | Port Arthur | 80.6k |
| Occidental Chemical Corp | Gregory | 71.5k |
| Bayport Polymers Llc - Hdpe Plant | Pasadena | 71.3k |
| Kuraray America Inc | Laporte | 65.6k |
| Equistar Chemicals Lp | La Porte | 60.0k |
| Equistar Chemicals | Victoria | 52.4k |
| Lyondell Chemical Co | Channelview | 46.9k |
| Lyondellbasell Acetyls Llc | La Porte | 44.4k |
| Chevron Phillips Chemical Co Lp Clemens Terminal | Brazoria | 44.2k |
| Ketjen Pasadena Plant | Pasadena | 43.8k |
| Equistar Chemicals Lp-Matagorda Facility | Bay City | 38.4k |
| Celanese Ltd Bay City Plant | Bay City | 34.1k |
| Targa Mont Belvieu Complex | Mont Belvieu | 30.8k |
| Pasadena Performance Products Llc | Pasadena | 30.6k |
| Ticona Polymers Inc | Bishop | 28.9k |
| Totalenergies Petrochemicals & Refining Usa Inc-Port Arthur | Port Arthur | 28.2k |
| Braskem America Inc-Laporte Site | La Porte | 26.9k |
| Enterprise Products Operating Llc | Mont Belvieu | 25.9k |
| Meglobal Oyster Creek | Freeport | 24.6k |
| Union Carbide Corp Texas City Plant | Texas City | 24.1k |
| Kuraray America-Eval Bu | Pasadena | 24.0k |
| Freeport Lng Liquefaction Facility | Freeport | 24.0k |
| Javelina Co | Corpus Christi | 22.3k |
| Celanese Ltd Clear Lake Plant | Pasadena | 20.4k |
| Ineos Oligomers Chocolate Bayou | Alvin | 19.9k |
| Adhesive Polymers Plant | Freeport | 19.3k |
| East Storage / Splitter Iii Facility | Mont Belvieu | 19.1k |
| Deer Park Refining Lp | Deer Park | 19.1k |
| Ineos Oxide Bayport Eo Plant | Pasadena | 19.0k |
| Braskem America Inc Seadrift Plant | Seadrift | 17.0k |
| Clear Lake Plant | Pasadena | 16.8k |
| Solvay Specialty Polymers Usa Llc | Orange | 16.3k |
| Targa Downstream Llc - Galena Park Marine Terminal | Galena Park | 14.5k |
| Bayport Polymers Llc | Port Arthur | 13.6k |
| Equistar Chemicals Lp Chocolate Bayou Polymers Plant | Alvin | 12.2k |
| Valero Refining-Texas Lp | Texas City | 12.0k |
| Synthomer Adhesive Tehcnologies Eastoflex & East | Longview | 11.4k |
| Raven Plant | Baytown | 11.4k |
| Braskem America Inc. Oyster Creek Plant | Freeport | 9.2k |
| Houston Refining Lp | Houston | 8.9k |
| Mitsubishi Chemical La Porte | La Porte | 8.9k |
| Alon Usa-Big Spring Refinery | Big Spring | 8.2k |
| Invista Houston | Houston | 7.8k |
| The Chemours Co | Gregory | 6.8k |
| Philllips 66 Co Borger Refinery | Borger | 6.4k |
| Invista Longview | Longview | 6.1k |
| Oxea Corp Bay City Plant | Bay City | 5.7k |
| Totalenergies Petrochemicals & Refining Usa Inc | La Porte | 5.2k |
| Citgo Refining & Chemicals Co Lp East Plant | Corpus Christi | 5.2k |
| Freeport_olin Bc | Freeport | 4.5k |
| Diamond Shamrock Refining Co Lp | Sunray | 4.5k |
| Ineos Usa Llc Stratton Ridge | Clute | 4.5k |
| Nouryon Functional Chemicals Llc | La Porte | 3.4k |
| Rextac Llc | Odessa | 3.4k |
| Phillips 66 Co Sweeny Refinery Complex | Old Ocean | 3.4k |
| Flint Hills Resources Corpus Christi Llc - West Plant | Corpus Christi | 3.1k |
| Air Liquide Freeport Hpu Plant | Freeport | 3.1k |
| Inv Nylon Chemicals Americas Victoria Site | Victoria | 2.5k |
| Flint Hills Resources Corpus Christi Llc - East Plant | Corpus Christi | 2.1k |
| Seadrift Coke Lp | Port Lavaca | 2.0k |
| Valero Refining-Texas Lp Corpus Christi West Plant | Corpus Christi | 2.0k |
| Oxy Vinyls Lp Deer Park-Vcm Plant | Deer Park | 1.8k |
| Premcor Refining Group Inc Port Arthur | Port Arthur | 1.6k |
| Arkema Inc | Beaumont | 1.6k |
| Arkema Inc Clear Lake | Pasadena | 1.5k |
| Phillips 66 Old Ocean Ngl Fractionation Plant | Old Ocean | 1.1k |
| Ineos Styrolution America Llc | Pasadena | 741 |
| Ineos Phenol | Pasadena | 689 |
| Kuraray America Bayport | Pasadena | 679 |
| Gas Innovations | La Porte | 650 |
| Valero Refining - Texas L.p. Houston Refinery | Houston | 620 |
| Delek Tyler Refinery | Tyler | 609 |
| Pasadena Refining System Inc | Pasadena | 521 |
| Orion Engineered Carbons Orange Plant | Orange | 482 |
| Citgo Refining & Chemicals Co Lp-West Plant | Corpus Christi | 448 |
| Motiva-Port Arthur Refinery | Port Arthur | 390 |
| Tpc Group Llc | Houston | 364 |
| Valero Three Rivers Refinery | Three Rivers | 261 |
| Valero Refining Texas Lp Corpus Christi East Plant | Corpus Christi | 147 |
| Clean Harbors Deer Park Llc | La Porte | 18 |
| Ineos Styrolution America Llc | Texas City | 11 |