| Business | Phone |
| J Ellis Ralph Jr 545 E John Carpenter Fwy 1530, Irving 75062 | (972) 831-1575 |
| Chan West Oil Corp 8411 Sterling St 102, Irving 75063 | (972) 929-4444 |
| Precision Oil Corp 222 Las Colinas Blvd W, Irving 75039 | (972) 910-1111 |
| H C Oil & Gas Corp 1214 Hidden Rdg, Irving 75038 | (214) 596-1280 |
| Hunt Oil 8550 Esters Blvd, Irving 75063 | (214) 596-1498 |
| Oil & Gas Asset Clearinghouse 7713 Heather Ridge Ct, Irving 75063 | (972) 506-0865 |
| Signal Oil & Gas Co 7525 Primrose Dr, Irving 75063 | (972) 506-7600 |