| Business | Phone |
| Plains All American 2000 W Sam Houston Pkwy S, Houston 77042 | (713) 993-5000 |
| Ada Resources Inc 6603 Kirbyville St, Houston 77033 | (713) 644-2111 |
| Applied Trading Systems Inc 9800 Northwest Fwy 303, Houston 77092 | (713) 683-8384 |
| Astra Oil Co Houston 77057 | (713) 660-4585 |
| Atlantic Trading & Marketing 5847 San Felipe St, Houston 77057 | (713) 243-2200 |
| Blizco Petroleum Inc 13614 Comely Ln, Houston 77079 | (713) 827-7494 |
| Daniel's Automotive & Truck 11706 N Houston Rosslyn Rd, Houston 77086 | (281) 445-5052 |
| Driscoll & Assoc Llc 8814 Mobud Dr, Houston 77036 | (713) 995-7273 |
| Enron Corp 7210 Ardmore St, Houston 77054 | (713) 440-3550 |
| Flintex Marketing Inc 16420 Park Ten Pl, Houston 77084 | (281) 578-0934 |
| Fortis International Inc 16522 Park Row, Houston 77084 | (281) 579-1006 |
| Masefield America Inc 3050 Post Oak Blvd 1330, Houston 77056 | (713) 871-1114 |
| Mainline Energy Llc 10497 Town And Country Way, Houston 77024 | (713) 932-8382 |
| Key Oil Co 700 Louisiana St, Houston 77002 | (713) 355-6767 |
| Dennis Mc Kena 2402 Avalon Pl, Houston 77019 | (713) 960-9230 |