| Valero Refining Texas City Refinery | Air | Category B (moderate) | 1 |
| Winstead Paint & Body Shop | Air | Category B (moderate) | 1 |
| Dtx Construction | Air | Category B (moderate) | 1 |
| Shoreline Concrete Services | Air | Category B (moderate) | 1 |
| Smurfit Kappa North America Forney Mill | Air | Category B (moderate) | 1 |
| 240 Lcr 454 | Air | Category B (moderate) | 1 |
| Camden Plywood & Lumber Complex | Air | Category B (moderate) | 1 |
| Hulen Auto Collision Center | Air | Category B (moderate) | 1 |
| Clayton Supply of Texas Classic Panel of Texas | Air | Category B (moderate) | 1 |
| Texaplex Construction | Air | Category B (moderate) | 1 |
| Mohon 1h 2h 3h 4h & Adams Truitt 1h | Air | Category B (moderate) | 1 |
| Area 71 Cgp Facility | Air | Category C (minor) | 9 |
| Sitz-Doyle Sitz South Facility | Air | Category B (moderate) | 1 |
| Quality Investment Properties Irving | Air | Category B (moderate) | 1 |
| Doyle Slidell 1h 2h 3h 4h | Air | Category B (moderate) | 1 |
| Air Liquide Large Industries Us | Air | Category B (moderate) | 1 |
| Williams Gin & Grain | Air | Category B (moderate) | 1 |
| Abst 14 J La Flore Sur Lot 10 Shinn Acres Unrecorded Sub | Air | Category B (moderate) | 1 |
| Owens Corning Roofing and Asphalt Irving Facility | Air | Category B (moderate) | 1 |
| Exxonmobil Chemical Mont Belvieu Plastics Plant | Air | Category B (moderate) | 1 |
| Pyco Industries Avenue A Facility | Air | Category B (moderate) | 1 |
| Antietam Facility 1 | Air | Category B (moderate) | 1 |
| Jarrell Cr 344 Pit Crusher 1 | Air | Category B (moderate) | 1 |
| Kiewit Offshore Services | Air | Category B (moderate) | 1 |
| Alliance Compressor Station | Air | Category B (moderate) | 1 |
| Lyndon B Johnson Space Center | Air | Category B (moderate) | 1 |
| Mcelroy Sour Gas Injection Well | Air | Category B (moderate) | 1 |
| 401 Wood Creek | Air | Category B (moderate) | 1 |
| Red River Compressor Station 1 | Air | Category B (moderate) | 1 |
| Georgia-Pacific Wood Products Pineland Manufacturing Complex | Air | Category B (moderate) | 1 |
| Celanese Bay City Plant | Air | Category B (moderate) | 1 |
| Portable Crusher 1 | Air | Category B (moderate) | 1 |
| Kodiak Resources Texas City Facility | Air | Category B (moderate) | 1 |
| Bjs Wholesale Club Waxahachie | Air | Category B (moderate) | 1 |
| Digital Realty | Air | Category B (moderate) | 1 |
| Mur-Tex | Air | Category B (moderate) | 1 |
| Lateral B20 Compressor Station | Air | Category B (moderate) | 1 |
| Duke Energy Field Services Pipeline Howard County | Air | Category B (moderate) | 1 |
| Chick Fil A Distribution Center Egus | Air | Category B (moderate) | 1 |
| Peterbilt Motors | Air | Category B (moderate) | 1 |
| L&R Services | Air | Category B (moderate) | 1 |
| Totalenergies Petrochemicals & Refining USA Hda Plant | Air | Category B (moderate) | 1 |
| Fm 546 Property | Air | Category B (moderate) | 1 |
| Corpus Christi Dock and Storage Terminal II | Air | Category B (moderate) | 1 |
| Bristol Sand & Gravel Plant | Air | Category B (moderate) | 1 |
| Harrington Station Power Plant | Air | Category B (moderate) | 1 |
| Cbp No 4 | Air | Category B (moderate) | 1 |
| Jones Station Power Plant | Air | Category B (moderate) | 1 |
| Enterprise Products Operating Pipeline Live Oak County | Air | Category B (moderate) | 1 |
| Red River Cs 2 Lamesa | Air | Category B (moderate) | 1 |
| Tres Palacios Gas Storage Facility | Air | Category B (moderate) | 1 |
| Western International Gas Bellville Plant | Air | Category B (moderate) | 1 |
| Teel Processing Center | Air | Category B (moderate) | 1 |
| West Fraser Texas Nacogdoches OSB | Air | Category B (moderate) | 1 |
| Big Daddy Customs Cars Hotrods and Hogs Azle | Air | Category B (moderate) | 1 |
| Jps Tree Care Specialist | Air | Category B (moderate) | 1 |
| Chevron USA Galena Park Marketing Terminal | Air | Category B (moderate) | 1 |
| Fcc Environmental | Air | Category B (moderate) | 1 |
| Triple T Farms Constrution Site | Air | Category B (moderate) | 1 |
| Station 581 | Air | Category B (moderate) | 1 |
| Battery 43 | Air | Category B (moderate) | 1 |
| 8740 Canyon Dr Construction Site | Air | Category B (moderate) | 1 |
| J6 Energy Services | Air | Category B (moderate) | 1 |
| Grayson County Sand & Gravel | Air | Category B (moderate) | 1 |
| 40-Acre Facility | Air | Category C (minor) | 2 |
| State Line Compressor Station | Air | Category C (minor) | 2 |
| Valero Corpus Christi Refinery East Plant | Air | Category C (minor) | 2 |
| Hensley Industries | Air | Category C (minor) | 2 |
| San Miguel Electric Plant | Air | Category C (minor) | 3 |
| Valero Corpus Christi Refinery West Plant | Air | Category C (minor) | 1 |
| Laser Ctf and Silvertip Swdf | Air | Category C (minor) | 1 |
| Alon USA Big Spring Refinery | Air | Category C (minor) | 1 |
| Transwestern P 3 Compressor Station | Air | Category C (minor) | 1 |
| Amarillo Redi-Mix | Air | Category C (minor) | 1 |
| Pampa Energy Center | Air | Category C (minor) | 1 |
| Dorsett Brothers Concrete Supply | Air | Category C (minor) | 1 |