| Business | Phone |
| Geo Data Corp 211 S Cheyenne Ave, Tulsa 74103 | (918) 584-3366 |
| Geophysical Associates Inc 7020 S Yale Ave # 102, Tulsa 74136 | (918) 496-4455 |
| Gravimetrics Inc 1437 S Main St, Tulsa 74119 | (918) 585-3333 |
| Integrity Geophysics 2534 E 45th St, Tulsa 74105 | (918) 712-0177 |
| International Geophysical Co 4325 E 51st St # 126, Tulsa 74135 | (918) 492-0850 |
| Kenneth Kelly 1208 S Cheyenne Ave, Tulsa 74119 | (918) 582-2676 |
| Rasmussen & Assoc 3749 E 46th Pl, Tulsa 74135 | (918) 742-9757 |