- Bill Tift Geophysicist
- Blaylock Geophysical
- Digital Prospectors
- Edwin Lookabaugh Geophysical
- Exploration Geophysics Inc
- Jasha Cultreri Geophysicist
- John Keffler Consultant
- Joseph Keffler Geologists
- Louis L Lint
- Mission Energy
- New Paradigm Exploration
- Patrick J Whelan
- Patrick Rasavage
- Renick & Assoc
- Resort Oil Inc
- Stanton Expiration Svc
- Tahlequah Exploration Svc
- Vest Exploration Svc
- William C Robinson
