| Us Ecology Texas Inc | Robstown | 436.4k |
| Clean Harbors Deer Park Llc | La Porte | 233.1k |
| San Miguel Electric Cooperative Inc | Christine | 37.8k |
| Oak Grove Steam Electric Station | Franklin | 30.2k |
| Martin Lake Steam Electric Station & Lignite Mine | Tatum | 10.4k |
| Limestone Electric Generating Station | Jewett | 9.8k |
| W.a. Parish Electric Generating Station | Thompsons | 9.5k |
| Sandy Creek Energy Station | Riesel | 6.4k |
| Calaveras Power Station | San Antonio | 3.5k |
| Graphic Packaging International Llc | Queen City | 2.6k |
| Holcim (Us) Inc. | Midlothian | 2.5k |
| Westrock Texas Lp | Evadale | 1.9k |
| American Electric Power Welsh Plant | Pittsburg | 1.8k |
| Twin Oaks | Bremond | 1.8k |
| Martin Marietta North Texas Cement Llc | Midlothian | 1.4k |
| Steel Dynamics Southwest Sinton Div | Sinton | 1.1k |
| Texas Lime Co | Cleburne | 1.1k |
| Ash Grove Cement Co | Midlothian | 1.0k |
| Coleto Creek Power Station | Fannin | 976 |
| Tyler Pipe Co | Tyler | 911 |
| Chaparral Steel Midlothian Lp | Midlothian | 892 |
| Corrigan Osb | Corrigan | 836 |
| Lcra Fayette Power Project | La Grange | 505 |
| Veolia Es Technical Solutions Llc Port Arthur Facility | Beaumont | 475 |
| Oldcastle Infrastructure - Northlake | Roanoke | 433 |
| Halliburton Odessa Field Camp | Odessa | 361 |
| Oxbow Calcining Llc | Port Arthur | 350 |
| Structural Metals Inc | Seguin | 237 |
| Nucor Steel - Jewett Texas Div | Jewett | 236 |
| Formosa Plastics Corp Texas | Point Comfort | 222 |
| Deer Park Refining Lp | Deer Park | 219 |
| Philllips 66 Co Borger Refinery | Borger | 210 |
| Conecsus Llc | Terrell | 189 |
| Everzinc Usa Houston Plant - Metal | Houston | 161 |
| Valero Refining-Texas Lp Corpus Christi West Plant | Corpus Christi | 146 |
| Southwestern Public Service Co Harrington Station | Amarillo | 136 |
| Valero Refining-Texas Lp | Texas City | 134 |
| Premcor Refining Group Inc Port Arthur | Port Arthur | 131 |
| Optimus Steel Llc | Vidor | 103 |
| Valero Refining - Texas L.p. Houston Refinery | Houston | 98 |
| Diamond Shamrock Refining Co Lp | Sunray | 89 |
| Phillips 66 Co Sweeny Refinery Complex | Old Ocean | 84 |
| Arcosa Lws Llc Streetman Tx | Streetman | 81 |
| Midland Manufacturing Co | Fort Worth | 81 |
| United Copper Industries Llc | Denton | 77 |
| Atomized Products Group Inc. | Garland | 56 |
| Merchant Metals Llc | Houston | 56 |
| Guardian Industries Llc-Corsicana | Corsicana | 44 |
| Gold Bond Building Products - Rotan | Rotan | 44 |
| Shell Chemical Lp | Deer Park | 43 |
| Eco Services Operations Corp. | Houston | 36 |
| Lone Star Industries Dba Buzzi Unicem Usa | Maryneal | 36 |
| Georgia-Pacific Gypsum Llc | Sweetwater | 33 |
| Acme Brick Co-Denton Plant | Denton | 32 |
| West Fraser Wood Products Inc. | New Boston | 30 |
| Valero Three Rivers Refinery | Three Rivers | 29 |
| Southwestern Public Service Co Tolk Station | Earth | 28 |
| Acme Brick Co-Elgin Plant | Elgin | 25 |
| Equistar Chemicals Lp | Corpus Christi | 23 |
| Triangle Brick-Clay County Tx | Henrietta | 20 |
| Vitro Flat Glass Llc Works 4 | Wichita Falls | 18 |
| Ketjen Llc - Bayport Plant | Pasadena | 17 |
| Alamo Cement Co | San Antonio | 16 |
| Nibco Inc Nacogdoches Plant | Nacogdoches | 15 |
| Acme Brick Co-San Felipe Plant | Sealy | 15 |
| Texas Lehigh Cement Co Lp | Buda | 14 |
| Capitol Aggregates Inc. | San Antonio | 14 |
| Gcc Permian Llc - Odessa Cement Plant | Odessa | 12 |
| Acme Brick Co Texas Clay | Malakoff | 12 |
| Phelps Dodge Copper Products Co | El Paso | 9 |
| Ash Grove Cement South Texas Llc | New Braunfels | 9 |
| Lehigh White Cement Co / Waco Plant | Woodway | 8 |
| Southwest Galvanizing Inc | Houston | 8 |
| Totalenergies Petrochemicals & Refining Usa Inc-Port Arthur | Port Arthur | 8 |
| Delek Tyler Refinery | Tyler | 7 |
| Ethyl Corp | Pasadena | 7 |
| Tenaris Mesa | Houston | 7 |
| Powerlab Inc. | Terrell | 7 |
| Oldcastle Infrastructure - North Houston | Houston | 7 |
| Valero Refining Texas Lp Corpus Christi East Plant | Corpus Christi | 6 |
| Alon Usa-Big Spring Refinery | Big Spring | 6 |
| Cemex Construction Materials South Llc - Balcones Plant | New Braunfels | 6 |
| Flint Hills Resources Corpus Christi Llc - West Plant | Corpus Christi | 5 |
| Galena Park Terminal Chevron Usa Inc | Galena Park | 5 |
| Oldcastle Precast Inc | Brookshire | 5 |
| Louisiana Pacific Jasper Osb | Jasper | 5 |
| Citgo Refining & Chemicals Co Lp East Plant | Corpus Christi | 5 |
| Maverick Arms Inc | Eagle Pass | 5 |
| Louisiana Pacific Corp Carthage Osb Plant | Carthage | 4 |
| Oldcastle Infrastructure - Castroville | Castroville | 3 |
| Encore Wire Corp | Mc Kinney | 3 |
| Vibrantz Minerals Llc | Houston | 3 |
| Geon Performance Solutions | Seabrook | 3 |
| Day & Zimmermann Lone Star Llc | Texarkana | 2 |
| Shannon Galvanizing | Floresville | 2 |
| Lone Star Precast | Buda | 2 |
| Audubon Metals Texas Llc | Corsicana | 2 |
| K-T Galvanizing Co | Katy | 2 |
| K-T Galvanizing Co | Venus | 2 |
| Oldcastle Precast Inc | Houston | 2 |