| Imu O-13-29703 | Ridge Oil Company only | I.M.U. (Caddo Cons.) | Young | 168 | 4.16M | 0 | Nov 1999 – Apr 2026 |
| Anderson Charitable Trust O-6-15093 | Maximus Operating, Ltd. only | Crow (Paluxy, Lower) | Smith | 6 | 1.47M | 0 | Oct 2011 – Apr 2026 |
| Maximus C O-10-51431 | SM Energy Company only | Spraberry (Trend Area) | Howard | 3 | 855K | 6.68M | Dec 2018 – Apr 2026 |
| Hopper, Bradie O. O-6-13727 | Maximus Operating, Ltd. only | Loretta Rose (Paluxy) | Smith | 2 | 618K | 0 | Nov 1997 – Apr 2026 |
| Maximus A O-10-52067 | SM Energy Company only | Spraberry (Trend Area) | Howard | 3 | 612K | 5.35M | Feb 2019 – Apr 2026 |
| Maximus D O-10-51430 | SM Energy Company only | Spraberry (Trend Area) | Howard | 2 | 608K | 2.86M | Dec 2018 – Apr 2026 |
| Maximus B O-10-51658 | SM Energy Company only | Spraberry (Trend Area) | Howard | 2 | 497K | 3.55M | Jan 2019 – Apr 2026 |
| Richard Matthews et Al O-6-15141 | Maximus Operating, Ltd. only | Crow (Paluxy, Lower) | Wood | 1 | 321K | 58.9K | May 2012 – Apr 2026 |
| Richard Matthews et al Unit O-6-15111 | Maximus Operating, Ltd. only | Crow (Paluxy, Lower) | Wood | 2 | 221K | 44.4K | Apr 2012 – Apr 2026 |
| Etheredge O-3-25952 | Maximus Operating, Ltd. only | Fort Trinidad, East (Buda) | Houston | 1 | 162K | 107K | Nov 2011 – Mar 2025 |
| Hobkirk O-6-13646 | Maximus Operating, Ltd. only | Loretta Rose (Paluxy) | Smith | 1 | 122K | 0 | Jan 1997 – Nov 2018 |
| Wilson, Janet et Al O-5-4042 | Maximus Operating, Ltd. only | Tom Burchard (Paluxy) | Henderson | 2 | 121K | 0 | Jan 2014 – Apr 2026 |
| Maximus O-3-23161 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Fayette | 1 | 118K | 304K | Jan 1997 – Feb 2009 |
| McFaddin G-6-295880 | Maximus Operating, Ltd. only | Navarro Crossing (Woodbine,up) | Houston | 1 | 105K | 401K | Sep 2023 – Apr 2026 |
| Hopper, Clarence Estate G-6-146922 | Maximus Operating, Ltd. only | Hopper (Rodessa) | Smith | 1 | 71.5K | 2.2M | Jul 1993 – Nov 2018 |
| Chandler-Williams O-3-15983 | Maximus Operating, Ltd. only | Ft. Trinidad,s.(ottos Sand) | Houston | 1 | 64.4K | 9.69K | Jan 1993 – Jan 2022 |
| Heironimus, B. B. -B- O-13-2875 | Petex only | Pottsboro, South (V Sand) | Grayson | 1 | 54.3K | 21.7K | Jan 1993 – Apr 2026 |
| Newton, W.F. G-6-141668 | Maximus Operating, Ltd. only | Loretta Rose (Rodessa) | Smith | 1 | 53.6K | 1.91M | Jan 1993 – Jun 2023 |
| Robeson O-5-3895 | Maximus Operating, Ltd. only | Pleasant Ridge (Woodbine) | Leon | 1 | 52.1K | 8 | May 2009 – Apr 2026 |
| Cole, William F. Jr. G-6-157036 | Maximus Operating, Ltd. only | Hopper (Rodessa) | Smith | 1 | 48.2K | 2.3M | Nov 1995 – Feb 2023 |
| Grinstead O-3-25951 | Maximus Operating, Ltd. only | Fort Trinidad, East (Buda) | Houston | 1 | 33.6K | 85.6K | Jun 2011 – Apr 2026 |
| Mary Keeling O-5-3885 | Maximus Operating, Ltd. only | Centerville, S. (Woodbine W-1) | Leon | 1 | 26.5K | 16 | Dec 2008 – Feb 2026 |
| Carter Estates G-6-223680 | Maximus Operating, Ltd. only | Black Fork Creek (Travis Peak) | Smith | 1 | 14.6K | 205K | Nov 2005 – May 2023 |
| Allred, A. R. O-6-13780 | Maximus Operating, Ltd. only | Glenwood (Woodbine) | Upshur | 1 | 2.65K | 0 | Jan 1998 – Oct 2000 |
| Ratliff G-3-208417 | Azimuth Energy, LLC only | Arcola (6750 Frio) | Brazoria | 1 | 2.61K | 351K | Jan 2005 – Aug 2005 |
| Webster G-3-190436 | Azimuth Energy, LLC only | Rowan, NE (Frio 10600) | Brazoria | 1 | 2.37K | 822K | Jul 2002 – Mar 2005 |
| Blanton G-6-184799 | Maximus Operating, Ltd. only | Martinsville (Travis Peak) | Shelby | 1 | 1.47K | 82K | Aug 2001 – Feb 2004 |
| Elizabeth G-3-198077 | Azimuth Energy, LLC only | Gilbert Woods (Nod. 1) | Jefferson | 1 | 776 | 229K | Aug 2003 – Nov 2004 |
| Weeks O-3-27640 | Maximus Operating, Ltd. only | Fort Trinidad, East (Buda) | Houston | 1 | 665 | 0 | Jun 2019 – Apr 2026 |
| Goodson Gas Unit G-6-229238 | Maximus Operating, Ltd. only | Reklaw (Travis Peak) | Cherokee | 1 | 573 | 56.9K | Jun 2007 – Apr 2026 |
| Brantley, Bertha et Al G-6-184262 | Maximus Operating, Ltd. only | Joaquin (Travis Peak) | Panola | 1 | 484 | 219K | Apr 2001 – Jul 2011 |
| Burkitt Foundation G-6-123069 | Maximus Operating, Ltd. only | Long Lake (Rodessa 8600) | Leon | 1 | 210 | 153K | Jan 1993 – Jun 2015 |
| Monnig "E" G-6-213001 | Maximus Operating, Ltd. only | Long Lake (Pecan Gap) | Anderson | 1 | 156 | 3.82K | Jul 2005 – Feb 2008 |
| Cameron O-6-14342 | Maximus Operating, Ltd. only | Wildcat | Gregg | 1 | 75 | 0 | Nov 2004 – Nov 2004 |
| Optimus Prime C O-5-4472 | United Oil & Shale LLC only | Malakoff, S. (Bacon Lime) | Henderson | 1 | 53 | 73 | Dec 2023 – Oct 2024 |
| Optimus Prime B O-5-4471 | United Oil & Shale LLC only | Malakoff, S. (Bacon Lime) | Henderson | 1 | 35 | 93 | Dec 2023 – Nov 2024 |
| Monnig, J. O. & Hugo G-6-36631 | Maximus Operating, Ltd. only | Long Lake (Rodessa 8745) | Anderson | 1 | 20 | 536K | Jan 1993 – Mar 2006 |
| Optimus Prime G-5-294279 | United Oil & Shale LLC only | Trinidad, S. E. (Cotton Valley) | Henderson | 1 | 5 | 44.2K | Sep 2022 – Dec 2024 |
| Harvey G-6-254406 | Maximus Operating, Ltd. only | Carthage (Haynesville Shale) | Shelby | 1 | 0 | 466K | Aug 2009 – Jan 2019 |
| McFaddin G-6-253794 | Maximus Operating, Ltd. only | Wildcat | Houston | 1 | 0 | 0 | — |
| Latimer G-6-245672 | Maximus Operating, Ltd. only | Wildcat | Shelby | 1 | 0 | 0 | — |
| McCaslin-Hall G-6-219625 | Maximus Operating, Ltd. only | Cedar Springs (Cot. Valley, Lo.) | Upshur | 1 | 0 | 522K | Mar 2006 – Mar 2018 |
| WC Tank Unit O-9-18424 | Optimum Disposal LLC only | Lin (Wolfcamp) | Irion | 1 | 0 | 0 | — |
| Monnig "B" G-6-176113 | Maximus Operating, Ltd. only | Long Lake (Rodessa 8745) | Anderson | 1 | 0 | 88.7K | Dec 1999 – Apr 2015 |
| Maximus O-3-23111 | Arrow Exploration Company only | Wildcat | Fayette | 1 | 0 | 0 | — |
| Price G-5-217714 | Maximus Operating, Ltd. only | Buffalo, South (B) | Leon | 1 | 0 | 0 | — |
| Clement Unit St O-3-24687 | Azimuth Energy, LLC only | Angelina (12,800) | Chambers | 1 | 0 | 0 | — |
| Primula South G-13-238265 | Diversified Production LLC only | Newark, East (Barnett Shale) | Hill | 1 | 0 | 1.1M | Aug 2007 – Apr 2026 |
| Primula G-13-235920 | Diversified Production LLC only | Newark, East (Barnett Shale) | Hill | 1 | 0 | 1.41M | Feb 2007 – Apr 2026 |
| Orange Co. Dev. Co Inc. G-3-123864 | Azimuth Energy, LLC only | Echo (9910) | Orange | 1 | 0 | 0 | — |