| Business | Phone |
| Advanced Hydrocarbon Strtgrphy 2931 W 21st St, Tulsa 74107 | (918) 583-2474 |
| Casillas Petroleum Corp 15 W 6th St # 1201, Tulsa 74119 | (918) 582-5310 |
| Claremont Exploration 427 S Boston Ave, Tulsa 74103 | (918) 587-1312 |
| D L Goins & Assoc 4815 S Harvard Ave, Tulsa 74135 | (918) 610-7747 |
| Deep Rock 427 S Boston Ave # 1207, Tulsa 74103 | (918) 592-2844 |
| Don E Brown 507 S Main St # 603, Tulsa 74103 | (918) 587-7964 |
| Frank Lock Geologist 7136 S Yale Ave # 300, Tulsa 74136 | (918) 494-6847 |
| Fred N Murray Co 3734 E 81st Pl, Tulsa 74137 | (918) 494-0160 |
| Harrison L Townes Properties 20 E 5th St # 1205, Tulsa 74103 | (918) 584-5100 |
| Tex Hartman 427 S Boston Ave # 801, Tulsa 74103 | (918) 599-8256 |
| John Stephen Woncik 427 S Boston Ave # 415, Tulsa 74103 | (918) 582-6135 |
| John Klabzuba 427 S Boston Ave, Tulsa 74103 | (918) 583-5977 |
| Thomas M Meason 427 S Boston Ave, Tulsa 74103 | (918) 587-3492 |
| Unit Energy Co 427 S Boston Ave # 1036, Tulsa 74103 | (918) 587-1551 |
| John Muselmann 427 S Boston Ave, Tulsa 74103 | (918) 582-2275 |
| Tulsa Geological Society 1307 S Boulder Ave, Tulsa 74119 | (918) 582-4762 |
| Norman Explorations 6637 S New Haven Ave, Tulsa 74136 | (918) 496-4112 |
| Telluric Technologies Inc 8801 S Yale Ave # 405, Tulsa 74137 | (918) 496-8355 |
| Lawrence F Roach 4555 S Harvard Ave, Tulsa 74135 | (918) 743-1322 |
| Roderick W Tillman Consulting 2121 E 51st St # 112, Tulsa 74105 | (918) 749-3184 |