| Business | Phone |
| Frontier Land Co 601 S Boulder Ave # 810, Tulsa 74119 | (918) 584-2050 |
| Mark L Hambric Petroleum Land 15 E 5th St # 2800, Tulsa 74103 | (918) 583-7733 |
| Terril Quinton 324 S Main St, Tulsa 74103 | (918) 592-0733 |
| Suma Corp Tulsa 74105 | (918) 742-4548 |
| Pride Energy Co 2250 E 73rd St # 550, Tulsa 74136 | (918) 524-9200 |
| Smyth Land Svc 6216 S Lewis Ave # 138, Tulsa 74136 | (918) 745-9210 |
| Revard Oil & Gas Properties Po Box 702294, Tulsa 74170 | (918) 495-3998 |