| Business | Phone |
| Sandy Smith Inc 2626 Cole Ave 603, Dallas 75204 | (214) 871-7360 |
| Simray Oil & Gas Inc 8150 N Central Expy, Dallas 75206 | (972) 852-0326 |
| Mc Cutchin Petroleum Corp 8222 Douglas Ave, Dallas 75225 | (214) 265-9030 |
| Bison Oil & Gas 1950 N Stemmons Fwy, Dallas 75207 | (214) 744-6100 |
| Hrb Oil & Gas 6310 Lemmon Ave 222, Dallas 75209 | (214) 366-3300 |
| Gceallc 17950 Preston Rd, Dallas 75252 | (972) 380-4477 |
| Phoenix Energy Co Inc 2611 Cedar Springs Rd, Dallas 75201 | (214) 969-0557 |
| Vantex Gas Pipeline Co 2838 Woodside St, Dallas 75204 | (214) 981-0780 |
| Dallas Petroleum Partners 4625 Greenville Ave 201, Dallas 75206 | (214) 343-2721 |
| Hopewell Operating Inc 4600 Greenville Ave 200, Dallas 75206 | (214) 826-5213 |
| Doyle Hartman 2945 Shelby Ave, Dallas 75219 | (214) 520-1800 |
| Enexco Co Inc 3131 Turtle Creek Blvd 1210, Dallas 75219 | (214) 522-1975 |
| American Oil Fuel Distributors 2415 W Northwest Hwy 105, Dallas 75220 | (214) 350-0453 |
| Aardolie Oil Co 5335 Bent Tree Forest Dr 191, Dallas 75248 | (972) 239-4070 |
| C D Exploration 5485 Belt Line Rd 190, Dallas 75254 | (972) 392-3880 |
| Reliance Trusts 1255 W 15th St, Dallas 75252 | (972) 943-0033 |