| Business | Phone |
| Edwards Mineral & Estate Trust 2601 Nw Expressway St # 100e, Oklahoma City 73112 | (405) 843-3766 |
| Johnson Dexter Trust Po Box 26663, Oklahoma City 73126 | (405) 232-3340 |
| R D Jones Inc 827 Nw 63rd St # 100, Oklahoma City 73116 | (405) 236-3546 |