A-brite Company | Garland | 1–19 | ● ACTIVE |
Advanced Refrigerant Technologies LLC | League City | 1–19 | ● ACTIVE |
| ACAfton Chemical Corporation | Pasadena | 100–499 | ● ACTIVE |
Allens Nutech INC | Tyler | 20–99 | ● ACTIVE |
Altrazeal Life Sciences INC | Addison | 1–19 | ● ACTIVE |
Arrow-magnolia International, INC. | Dallas | 20–99 | ● ACTIVE |
| AIArrow-magnolia, International, LP | Dallas | 20–99 | ● ACTIVE |
| BCBasf Catalysts LLC | Pasadena | 100–499 | ● ACTIVE |
| BOBaytown Olefins Plant | Baytown | 100–499 | ● ACTIVE |
Benuvia Operations, LLC | Round Rock | 20–99 | ● ACTIVE |
Berryman Products, INC. | Arlington | 20–99 | ● ACTIVE |
Blue Line Corporation | San Antonio | 20–99 | ● ACTIVE |
Cerilliant Corporation | Round Rock | 100–499 | ● ACTIVE |
| CIChemicals Incorporated | Baytown | 100–499 | ● ACTIVE |
| CRChemtrade Refinery Services | Beaumont | 20–99 | ● ACTIVE |
| CPChevron Phillips Chemical Orange Polyethylene Plant | Orange | 100–499 | ● ACTIVE |
| CPChevron Phillips Chemical Sweeny Old Ocean Facilities | Sweeny | 500+ | ● ACTIVE |
| CCContinental Carbon Sunray Plant | Sunray | 20–99 | ● ACTIVE |
Control Solutions | Pasadena | 100–499 | ● ACTIVE |
Crest Industrial Chemicals INC | Rosharon | 1–19 | ● ACTIVE |
Custom Chemical Services, LLC | Hitchcock | 20–99 | ● ACTIVE |
| DEDegussa Engineered Carbons Echo Carbon Plant | Orange | 20–99 | ● ACTIVE |
Dixie Chemical Company, INC. | Pasadena | 100–499 | ● ACTIVE |
| DSDsm Semichem LLC | Plainview | 20–99 | ● ACTIVE |
Eastman Chemical Company, Texas Operations | Longview | 500+ | ● ACTIVE |
Electroninks Incorporated | Austin | 20–99 | ● ACTIVE |
| ECEquistar Chemicals | Corpus Christi | — | ● ACTIVE |
Expal USA INC -texarkana | Hooks | 20–99 | ● ACTIVE |
| FPFormosa Plastics Corporation, Texas | Point Comfort | 500+ | ● ACTIVE |
| FIFritz Industries | Mesquite | 100–499 | ● ACTIVE |
Helena Laboratories Corporation | Beaumont | 100–499 | ● ACTIVE |
| HUHempel USA INC | Conroe | 100–499 | ● ACTIVE |
Ifs Coatings INC | Gainesville | 100–499 | ● ACTIVE |
| IOIneos O&p USA LLC - Battleground Manufacturing | La Porte | 100–499 | ● ACTIVE |
International Paint LLC | Houston | — | ● ACTIVE |
| KKetjen | Pasadena | 100–499 | ● ACTIVE |
| KSKey Scientific Products Incorporated | Stamford | 1–19 | ● ACTIVE |
| KKiwo | Seabrook | 20–99 | ● ACTIVE |
Lone Star Specialty Products, LLC | Lone Star | — | ● ACTIVE |
| LCLyondell Chemical - Bayport Plant | Pasadena | 100–499 | ● ACTIVE |
| LCLyondell Chemical Channelview | Channelview | 500+ | ● ACTIVE |
Monument Chemical Houston LLC | Houston | 100–499 | ● ACTIVE |
Monument Chemical Port Arthur, LLC | Port Arthur | 20–99 | ● ACTIVE |
| NCNippon Chemical Texas INC | Pasadena | 100–499 | ● ACTIVE |
Norit Americas, INC | Marshall | 20–99 | ● ACTIVE |
| NLNuclein, LLC. | Austin | 20–99 | ● ACTIVE |
| OIOcusoft INC. | Rosenberg | 20–99 | ● ACTIVE |
| OEOrion Engineered Carbons Borger Plant | Borger | 20–99 | ● ACTIVE |
Owen Oil Tools LP | Godley | 100–499 | ● ACTIVE |
| PNPci Nitrogen LLC | Pasadena | 20–99 | ● ACTIVE |