| Business | Phone |
| Cox Petroleum Co 1601 Elm St, Dallas 75201 | (214) 220-9900 |
| Daltes Petroleum 2121 San Jacinto St # 980, Dallas 75201 | (214) 871-9457 |
| Inflow Petroleum Resources Lp 13760 Noel Rd, Dallas 75240 | (469) 916-8373 |
| World Hydrocarbon Inc 10830 N Central Expy, Dallas 75231 | (214) 692-7872 |
| Maxus Energy Corp 717 N Harwood St 3000, Dallas 75201 | (214) 953-2000 |
| Petroleum Partners Inc 13355 Noel Rd, Dallas 75240 | (972) 869-3755 |
| Santa Fe Petroleum 5420 L B J Fwy, Dallas 75240 | (972) 866-0700 |
| Gifford Petroleum Co 4625 Greenville Ave 204, Dallas 75206 | (214) 369-8494 |
| Amadeus Petroleum Inc 8222 Douglas Ave, Dallas 75225 | (214) 361-2778 |
| Sabre Petroleum 7706 Meadow Rd 223, Dallas 75230 | (214) 363-1719 |
| Chestnut Petroleum Inc 5050 Quorum Dr, Dallas 75254 | (972) 233-9200 |
| Petroleum Center Exec Suites 13612 Midway Rd # 333, Dallas 75244 | (972) 387-4623 |
| South Central Petroleum 6550 Cliffbrook Dr, Dallas 75254 | (972) 991-6328 |
| Phillips Petroleum Co 5526 E R L Thornton Fwy, Dallas 75223 | (214) 821-0514 |
| Phi Air Medical 5423 Saturn Dr, Dallas 75237 | (214) 366-3633 |
| Westway Petro 4514 Cole Ave # 1005, Dallas 75205 | (214) 740-4080 |