| Business | Phone |
| Celanese Chemicals 1423 Pasadena Fwy, Pasadena 77506 | (713) 456-1500 |
| Baker Petrolite 13200 Baypark Rd, Pasadena 77507 | (281) 474-5166 |
| Celanese Chemicals 9502 Bayport Blvd, Pasadena 77507 | (281) 474-6200 |
| La Chemical 5100 Underwood Rd, Pasadena 77507 | (281) 391-0010 |
| Chusei-Quest 12500 Bay Area Blvd, Pasadena 77507 | (281) 474-7500 |
| Coastal Chemical Co 3205 Pasadena Blvd, Pasadena 77503 | (713) 477-1561 |
| Delcraft Scientific 110 Spooner St, Pasadena 77506 | (713) 472-7887 |
| Harcros Chemicals Inc 4606 New West Rd, Pasadena 77507 | (281) 474-3689 |
| Hci Advance Chemical Distr 3205 Pasadena Blvd, Pasadena 77503 | (713) 475-0103 |
| Nisseki Chemical Texas Inc 10500 Bay Area Blvd, Pasadena 77507 | (713) 754-1000 |