- Andrew C Hooker
- Arch J Lair Consultant
- Barry Halvorsen
- Bolden Exploration
- Carleton Investments
- Cheyenne Natural Gas Co
- Christopher Renaud Oil Oprtng
- Clem E George
- Consulting Geologists
- Curry's Exploration Geologist
- D R Dodson
- Dave Percy & Assoc
- David H Rathjen Consulting
- David N Grimes
- DGM Energy
- Earl E Gaertner
- Edant Energy Corp
- Edward's Energy Inc
- Enerquest Resources LLC
- Eugene Greenwood
- Fedro & Assoc
- Fred G Gist
- Gates O'Brien
- Gateway Producing Co
- George A Anderson III
- Glen C Luff & Assoc
- Gray Oil & Gas Co
- Greg L Hair
- H W Hollingshead
- Hal S Dean
- High Plains Exploration & Co
- J Russell Cotton Geologists
- J V Fulfer
- Jack G Goodwin
- James C Whitten Geologist
- James F Burford
- James H Hamilton
- James H Hamilton & Assoc
- Jasper Resources Inc
- Jim Hughes
- Joe Canon
- John A Hord
- John F Herbig Jr
- Johnnie B Brown
- K-2 Sm
- L D Robbins Oil & Gas Inc
- L E Gnagy
- L M Mick Denny
- Lawrence J Seright
- Levin Petroleum Exploration Co
- Levin Petroleum Exploration Co
- Lynn F Charuk Cpg
- M R Stipp
- Monty J Gist
- Monty J Gist
- Morco Geological Svc
- Norman D Raman
- Olive Petroleum Inc
- Patrick Fairchild Geologist
- Paul H Pause' Petroleum
- Phillip R Becker
- Phillip R Becker
- Promise Petroleum
- R & R Oil Corp
- Ralph H Lang Jr & Assoc
- Reb Clark
- Reb Clark
- Residue Research Laboratory
- Richard Pharr
- Richard Stump
- Robert H Thompson
- Robert M Altany
- Robert M Altany
- Robert M Grace
- Robert M Grace
- Robert O Lynch
- Robert W Palmer Oil & Gas Prop
- Sanibel Exploration Co
- Stephen Robichaud Conslnt Geo
- Swift Arrow Geological Cnsltng
- Thomas H Wilson
- Tom W Williams
- V F LTD
- W C Osborne
- W L Boots Goode
- W L Boots Goode
- W T Probandt
- Wal-Ric Energy
- Walker H Powe
- Wambaugh Exploration Co
- Wayne A Piette
- Wayne D Miller
- Wei-Ji LTD
- Wes Perry Sr Geologists
- West Texas Oil & Gas Ops
- William F Grauten
- William F Grauten
- William J Purves
- Wolf Energy Inc