| ASAqua Solutions | Deer Park | — | ◇ UNVERIFIED |
| APAtilar Pharma Corporation | Houston | — | ◇ UNVERIFIED |
| AWAustin Wood Recycling - Humble | Humble | — | ◇ UNVERIFIED |
| BPBaker Petrolite Channelview | Channelview | — | ◇ UNVERIFIED |
| BBasf | Pasadena | — | ◇ UNVERIFIED |
| BCBasf Corporation | Pasadena | — | ◇ UNVERIFIED |
| BCBayou City Hemp | Houston | — | ◇ UNVERIFIED |
| BCBechtel Corporation - Nagor | Baytown | — | ◇ UNVERIFIED |
| BPBigler Pasadena Facility | Pasadena | — | ◇ UNVERIFIED |
 Blue Grass Chemical Specialties | Cypress | — | ◇ UNVERIFIED |
| BHBmc - Houston West | Houston | — | ◇ UNVERIFIED |
| BSBrenntag Southwest, Pasadena | Pasadena | — | ◇ UNVERIFIED |
| CRCarbon Regeneration Facility | Crosby | — | ◇ UNVERIFIED |
| CBCedar Bayou Hydrogen Facility | Baytown | — | ◇ UNVERIFIED |
| CBCedar Bayou Plant | Houston | — | ◇ UNVERIFIED |
| CBCedar Bayou Plant | Baytown | — | ◇ UNVERIFIED |
| CRChem Rex | Houston | — | ◇ UNVERIFIED |
| CTChemstation Texas Gulf Coast | Houston | — | ◇ UNVERIFIED |
| CLClear Lake | Pasadena | — | ◇ UNVERIFIED |
| CLClear Lake Plant | Pasadena | — | ◇ UNVERIFIED |
| CPCook Paint and Varnish Company | Houston | — | ◇ UNVERIFIED |
| CVCray Valley Wallisville Rd | Channelview | — | ◇ UNVERIFIED |
| CGCsi Gas LLC | Humble | — | ◇ UNVERIFIED |
| DCDejean Construction Company | Deer Park | — | ◇ UNVERIFIED |
| DCDow Chemical | Houston | — | ◇ UNVERIFIED |
| DCDow Chemical | Pasadena | — | ◇ UNVERIFIED |
| DCDow Chemical | La Porte | — | ◇ UNVERIFIED |
| EPEastgroup Properties 1020 1040 1060 Lockwood Houston | Houston | — | ◇ UNVERIFIED |
| EIEdx Industry INC | Houston | — | ◇ UNVERIFIED |
| EIElastech, INC. | Humble | — | ◇ UNVERIFIED |
| EPEnterprise Products Operating LLC | Pasadena | — | ◇ UNVERIFIED |
| ECEquistar Chemicals at Katoen Natie | La Porte | — | ◇ UNVERIFIED |
| EEthox | Pasadena | — | ◇ UNVERIFIED |
| EWExcel Warehouse | Houston | — | ◇ UNVERIFIED |
| ELExel Logistics | La Porte | — | ◇ UNVERIFIED |
| ENExxonmobil North and South Gypstack Collection Pon | Pasadena | — | ◇ UNVERIFIED |
| FPFkp Pasadena Gypsum Pile | Pasadena | — | ◇ UNVERIFIED |
| FEFoam Enterprises | Houston | — | ◇ UNVERIFIED |
| FFulgent | Houston | — | ◇ UNVERIFIED |
| GDGarner Deer Park Office | Deer Park | — | ◇ UNVERIFIED |
| GBGb Biosciences Greens Bayou Plant | Houston | — | ◇ UNVERIFIED |
| GHGemini Hdpe LLC - La Porte Plant | La Porte | — | ◇ UNVERIFIED |
| GLGenDEPOT LLC | Katy | — | ◇ UNVERIFIED |
| HCHoechst Celanese Chemical INC | Houston | — | ◇ UNVERIFIED |
| HPHouston Plant | Houston | — | ◇ UNVERIFIED |
| HDHuish Detergents | Pasadena | — | ◇ UNVERIFIED |
| IOIneos Olefins and Polymers | La Porte | — | ◇ UNVERIFIED |
| IPIneos Polyethylene | La Porte | — | ◇ UNVERIFIED |
| IPIneos Polymers | La Porte | — | ◇ UNVERIFIED |
| IIIntero Integrity Services | Houston | — | ◇ UNVERIFIED |
