| Business | Phone |
| Channel Refining Corp 13605 Industrial Rd, Houston 77015 | (713) 450-1774 |
| Chevron Stations 2202 Oil Center Ct, Houston 77073 | (281) 230-2600 |
| Eagleton Energy Resources Lp 9039 Katy Fwy 215, Houston 77024 | (832) 358-2500 |
| Michelle Evans 7501 Middlewood St, Houston 77063 | (713) 974-3336 |
| Great Lakes Carbon Corp 4 Greenspoint Mall, Houston 77060 | (281) 775-4700 |
| Lyondell-Citgo Refining 12000 Lawndale St, Houston 77017 | (713) 356-7516 |
| Hamman Oil & Refining Co 3270 W Main St, Houston 77098 | (713) 526-7417 |