- Brittoil LLC
- Brittoil LLC
- David E Pitzl & Assoc LTD
- David E Pitzl & Assoc LTD
- Fall River Resources
- Fred Meissner & Assoc
- George Dolezal Jr
- John C Osmond
- John P Lockridge Petroleum
- Lloyd N Edwards
- LSSI
- M Allen Heinrich
- M S Johnson
- Mclish Petroleum Corp
- Munn Exploration
- Richard D Robertson
- Robert E Fischer
- Rose Exploration
- Rose Oil Co
- Ryan Explorations
- Shiloh Exploration
- Steven G Kirkwood Petroleum
- William H Kay
