| Business | Phone |
| Afton Chemical Corp 16701 Greenspoint Park 250, Houston 77060 | (281) 874-9000 |
| Albemarle Corp 2625 Bay Area Blvd, Houston 77058 | (281) 480-4747 |
| Allchem Services 9011 E Almeda St, Houston 77054 | (713) 796-8000 |
| Anedco Inc 10429 Koenig St, Houston 77034 | (281) 484-3900 |
| Crest Industrial Chemicals 6341 Beverlyhill St, Houston 77057 | (713) 780-1828 |
| Cxy Chemical 12450 Greenspoint Dr 1350, Houston 77060 | (281) 876-2267 |
| Dallas Chemical Technologies 10120 Hirsch Rd, Houston 77016 | (713) 631-2009 |
| Dallen Chemicals Inc 5070 Ashley Ct, Houston 77041 | (713) 466-1441 |
| Denco Industries Inc 14550 Torrey Chase Blvd, Houston 77014 | (281) 893-6550 |
| Dxi Industries Inc 1919 Jacintoport Blvd, Houston 77015 | (281) 457-4888 |
| Du Pont 140 Cypress Station Dr, Houston 77090 | (281) 444-6000 |
| Du Pont 8125 Kempwood Dr, Houston 77055 | (713) 461-5650 |
| Ecomony Mud Products 435 E Anderson Rd, Houston 77047 | (713) 723-8416 |
| Entek International 1770 Saint James Pl 206, Houston 77056 | (713) 993-0190 |
| Expo Chemical Co 6807 Theall Rd A, Houston 77066 | (281) 895-9200 |
| Mobil Chemical Co 9822 La Porte Fwy, Houston 77017 | (713) 740-6000 |
| Merisol Usa Llc 1914 Haden Rd, Houston 77015 | (713) 455-1311 |
| Grace Davison 3838 N Sam Houston Pkwy E #230, Houston 77032 | (281) 449-9949 |
| Master Builders Inc 7104 Wright Rd, Houston 77041 | (713) 849-2292 |
| Lyondell Chemical Co 1221 Mckinney St 700, Houston 77010 | (713) 652-7200 |
| Ligno Tech Usa Inc 1155 Dairy Ashford St 804, Houston 77079 | (281) 497-7824 |
| Hexion Specialty Chemicals 15115 Park Row 160, Houston 77084 | (281) 646-2800 |
| Kmg Chemicals Inc 10611 Harwin Dr 402, Houston 77036 | (713) 988-9252 |
| Industrial Chemicals 5427 Gessner Dr, Houston 77041 | (713) 896-9286 |
| Jlm Industries 333 N Sam Houston Pkwy E # 855, Houston 77060 | (281) 260-9400 |
| Newpark Drilling Fluids 14830 Talcott St, Houston 77015 | (281) 452-3016 |