- Alamo Energy Corp
- American Royalty Council Inc
- Arrowhead Petroleum Inc
- Atherton Oil Co
- Charles W Brown Inc
- David C Ames Oil & Gas Leasing
- Donner Properties
- Eagle Land Minerals Co
- Enernet Inc
- Equitable Royalty Corp
- Fairway Minerals Co
- Farmers Union Co-Op Royalty Co
- Fortune Oil Co
- Fossil Creek Land Co
- French Royalty Co
- Howard Woodruff Enterprises
- Ibis Enterprises
- James Petroleum Trust
- Joel S Price Trust
- Joseph B Singer Oil Co
- Julius W King Office
- Kalkman Habeck Co
- Kirby Mineral LC
- Kite Investments
- Loma Inc
- M C Mineral Co
- MERCO Of Okla Inc
- Mike Bagley
- Mike Bagley
- Moon Royalty LLC
- Neol Estate
- North European Oil Royalty
- Norvell-Haulsee Royalty Co
- Oklahoma Royalty Co
- Panhandle Royalty Co
- Pentex Exploration & Producing
- Phil Fleetwood Oil Properties
- Quilio & Assoc Inc
- Singer Brothers
- Slemaker Royalty Co
- Sneed Co
- Tim Strothman Leases & Royalty
- Winoma Trust