- Aarco Oil & Gas Co
- American Water Well Inc
- Amir Oil Co
- Basin Royalty Co
- Basin Royalty Co
- Bruce W Blake Management Svc
- Bryant Williams
- Champion Winkler Oil Corp
- Crenshaw Royalty Corp
- Crenshaw Royalty Corp
- Cummings Royalty Corp
- Cummings Royalty Corp
- Doug Rowan Independent
- Douglas C Koch
- Douglas C Koch
- Douglas C Koch-Nantuck Resourc
- Douglas C Koch-Nantuck Resourc
- E3 Engery LTD
- Frank P Powell Oil & Gas
- Harlie L Clark
- Harold D Herndon
- Harold D Herndon
- Harry B Heutel
- Hart Operating Fund
- Hendrick Ranch Royalties
- Hendrick Ranch Royalties
- Hill Royalty
- John H WEBB Co
- John Zoller Oil & Gas Property
- K C Premium Royalty Corp
- L L & E Royalty Trust
- L L & E Royalty Trust
- Lease Marketing Inc
- Lease Marketing Inc
- Life Royalties
- Mac London Royalty Co
- Marine Petroleum Trust
- Matthew Fatheree Oil & Gas
- Matthew Fatheree Oil & Gas
- Matthew Fatheree Oil & Gas
- Matthew Fatheree Oil & Gas
- Maxie H Wilson
- MIV Ops Inc
- MIV Ops Inc
- Murdock Oper 1 LTD Partnership
- OSO Royalty Co
- OSO Royalty Co
- Permian Basin Acquisition Fund
- Purselley Royalties
- Riata Oil & Gas LTD
- Riata Oil & Gas LTD
- RKB Oil & Gas
- Royalty Corp Of Beaumont
- Royalty Reserve Group
- Southland Royalty
- Southland Royalty
- Statewide Mineral Co
- Steger Energy Corp
- Steve P Thompson
- Texas St Louis Land Co
- Texas St Louis Land Co
- Todd E Westmoreland
- Venable Royalty LTD
- Westan Inc
- White Star Energy Inc
- William B Watson Agent Inc