| Business | Phone |
| Vernon C Howell 11882 Greenville Ave, Dallas 75243 | (214) 363-6097 |
| Beamer Resources 4925 Greenville Ave, Dallas 75206 | (214) 369-2207 |
| Aubrey C Black 4925 Greenville Ave 1160, Dallas 75206 | (214) 369-6977 |
| Robert R Click 8340 Meadow Rd, Dallas 75231 | (214) 369-4848 |
| Nor-Tex Gas Corp 12001 N Central Expy, Dallas 75243 | (972) 716-9144 |
| Deep Rock Resources Inc 6688 N Central Expy 1165, Dallas 75206 | (214) 696-3078 |
| Hammack Oil Co 4925 Greenville Ave 1150, Dallas 75206 | (214) 692-8163 |
| Wayne Harper 4925 Greenville Ave 710, Dallas 75206 | (214) 363-6794 |
| Richard W Simpson Iii 3325 Southland St, Dallas 75201 | (214) 747-2031 |
| Unique Oils 5757 Preston View Blvd, Dallas 75240 | (972) 788-4767 |
| Jo Jon Petroleum Co 5307 E Mockingbird Ln, Dallas 75206 | (214) 691-5580 |
| Ward Oil Co 400 N Saint Paul St 300, Dallas 75201 | (214) 969-7555 |
| Roberts & Hammack Inc 4925 Greenville Ave 1125, Dallas 75206 | (214) 369-6310 |
| Startex Operating Co 4625 Greenville Ave, Dallas 75206 | (214) 691-4232 |
| Highland Petroleum 6211 W Northwest Hwy C252, Dallas 75225 | (214) 361-4292 |
| Todd Oil & Investment Inc 6116 N Central Expy 614, Dallas 75206 | (214) 369-6586 |
| Triton Ep 1504 Greenville Ave, Dallas 75206 | (214) 547-9912 |
| Schlachter Oil 6211 W Northwest Hwy 256, Dallas 75225 | (214) 692-1567 |
| Forrest Wynn 8111 Preston Rd, Dallas 75225 | (214) 363-3227 |
| Jojon Petroleum Co 3838 Oak Lawn Ave 1516, Dallas 75219 | (214) 522-7900 |
| Kcm Management Inc 7639 Royal Ln, Dallas 75230 | (972) 991-2500 |
| Mc Bee Operating Co Llc 4311 Oak Lawn Ave, Dallas 75219 | (214) 526-1500 |
| Baron Petroleum 9827 Vistadale Dr, Dallas 75238 | (214) 341-4344 |
| Cdx Gas 5485 Belt Line Rd 280, Dallas 75254 | (972) 392-1880 |
| Dalworth Oils 4601 Samuell Blvd, Dallas 75228 | (214) 381-0000 |
| Wolfson Oil Co 5925 Forest Ln, Dallas 75230 | (972) 387-9945 |
| Hubbard Petroleum Dallas 75247 | (214) 877-0753 |
| Kasle Energy Inc 3611 Springbrook St, Dallas 75205 | (214) 827-2120 |
| Southwest Land Co 5485 Belt Line Rd, Dallas 75254 | (972) 392-9801 |
| Mai Operations 4514 Cole Ave 804, Dallas 75205 | (214) 219-8883 |
| David M Munson Inc 12221 Merit Dr 930, Dallas 75251 | (214) 954-0260 |