| Business | Phone |
| Barnett Energy Corp 1600 Promenade Shopping Ct, Dallas 75240 | (972) 669-8194 |
| Dobekos Energy Corp 2100 Ross Ave, Dallas 75201 | (214) 969-9396 |
| Edward Blessing 5430 Lyndon B Johnson Fwy, Dallas 75240 | (972) 239-3702 |
| Elite Wellness Llc 4228 N Central Expy 210, Dallas 75206 | (214) 827-4400 |
| Viola Productions 12001 N Central Expy 1150, Dallas 75243 | (972) 716-9111 |
| Sand Springs Oiil & Gas Co Dallas 75231 | (214) 987-0913 |
| Texas Energy Management Inc 5910 N Central Expy 1300, Dallas 75206 | (214) 696-4999 |
| Doman Capital Inc Dallas 75231 | (214) 363-2662 |
| Golden Resources Corp 8533 Ferndale Rd 202, Dallas 75238 | (214) 340-1888 |
| John W Crow Inc 401 W Jefferson Blvd, Dallas 75208 | (214) 948-2922 |
| Triad Exploration 4440 Sigma Rd 115, Dallas 75244 | (972) 233-0050 |
| Castelrock Oil Co 8111 Lbj Fwy, Dallas 75251 | (214) 382-2654 |
| Schiff & Co 4514 Travis St, Dallas 75205 | (214) 572-8010 |
| B F Phillips Jr Estates 1900 Cedar Springs Rd, Dallas 75201 | (214) 880-0098 |
| Folson Exploration Co 200 Crescent Ct 1310, Dallas 75201 | (214) 855-8885 |
| Brooks Exploration Inc 2811 Mckinney Ave 214, Dallas 75204 | (214) 969-6922 |
| Petroleum Ventures Of Texas 4625 Greenville Ave 203, Dallas 75206 | (214) 739-2895 |
| Panamerican Operating Inc 1950 N Stemmons Fwy, Dallas 75207 | (214) 658-9895 |
| Sovereign Chief Ventures Ltd 5950 Berkshire Ln, Dallas 75225 | (214) 234-0552 |
| Big Lake Corp 820 Exposition Ave, Dallas 75226 | (214) 827-1400 |
| Phi Management 5210 Meaders Ln, Dallas 75229 | (214) 373-9876 |
| Nationsgas Partners 12900 Preston Rd, Dallas 75230 | (214) 651-1656 |
| Exco Resources Inc 5735 Pineland Dr, Dallas 75231 | (214) 706-3300 |
| Reliance Oil & Gas Inc 8535 Ferndale Rd, Dallas 75238 | (214) 341-6121 |
| Encana Oil & Gas 14001 Dallas Pkwy 1100, Dallas 75240 | (214) 987-3650 |
| Telejet Technologies 5430 Lyndon B Johnson Fwy, Dallas 75240 | (972) 770-2700 |
| Titus Co 13649 Montfort Dr, Dallas 75240 | (972) 386-4782 |
| United Liberty Oil 13760 Noel Rd, Dallas 75240 | (972) 934-0790 |
| Mole Operating Co Inc 12001 N Central Expy, Dallas 75243 | (972) 770-1971 |
| Blackwell Energy Group 17950 Preston Rd 900, Dallas 75252 | (972) 733-3050 |
| Heape Oil Co 17768 Preston Rd, Dallas 75252 | (972) 407-6030 |