| Business | Phone |
| Baxter Oil Svc Inc 4104 Banner Dr, Houston 77013 | (713) 451-1700 |
| Lumarco Inc 900 S Main, Houston 77068 | (281) 484-6811 |
| Holcomb Environmental Oil Svc 3540 Corder St, Houston 77021 | (281) 440-3096 |
| Holcomb Oil Recycling 6228 Osprey Dr, Houston 77048 | (713) 991-4005 |
| Imperial Waste Oil 11920 N Houston Rosslyn Rd, Houston 77086 | (281) 445-2363 |