| Aaron O-3-27587 | Magnolia Oil & Gas Operating LLC only | Giddings (Eagleford) | Milam | 1 | 383K | 158K | Jul 2019 – Apr 2026 |
| Aaron O-1-19804 | CML Exploration, LLC only | Pena Creek (Georgetown) | Zavala | 1 | 162K | 225K | Apr 2019 – Apr 2026 |
| Farmer O-8-1652 | Braka Operating, L.L.C. only | Aaron (Mississippian) | Eastland | 1 | 94K | 21 | Jan 1993 – Apr 2026 |
| Muir, John Unit O-1-13846 | Aaronmark Services, LLC only | Nixon | Wilson | 1 | 83.8K | 4.92K | Feb 1994 – Apr 2026 |
| Wilson, J. T. O-1-367 | Aaronmark Services, LLC only | Crown, E. (Navarro) | Atascosa | 8 | 72.2K | 21 | Jan 1993 – Apr 2026 |
| Aaron Unit O-13-32205 | Buffco Production Inc. only | Crossroads (Strawn) | Hardeman | 1 | 72.1K | 0 | Jan 2012 – Feb 2026 |
| Mosley, Aaron A. O-3-11237 | Wildfire Energy Operating LLC only | Madisonville, W. (Woodbine -A-) | Madison | 1 | 43.7K | 637 | Jan 1993 – Nov 2019 |
| Jasik, S. O-1-8507 | Aaronmark Services, LLC only | Leming (2934 Sand) | Bexar | 6 | 40.7K | 30 | Jan 1993 – Apr 2026 |
| Jones, Beatrice O-1-8821 | Aaronmark Services, LLC only | Pruitt, S. (Escondido) | Atascosa | 2 | 37.8K | 142 | Jan 1993 – Apr 2026 |
| Aarons Oil Unit O-6-11456 | Linder, John Operating Co., LLC only | Chapel Hill (Travis Peak) | Smith | 1 | 37.3K | 121K | Jan 1993 – Apr 2026 |
| Lozano, Hector C. O-1-8603 | Aaronmark Services, LLC only | Kyote | Frio | 3 | 31.9K | 35 | Jan 1993 – Apr 2026 |
| Jaskinia, Fred O-1-9182 | Aaronmark Services, LLC only | Marcelina Creek (Buda) | Wilson | 1 | 31.6K | 21 | Jan 1993 – Apr 2026 |
| Williams, Mary Isabella O-1-13994 | Aaronmark Services, LLC only | Freddy Hutt, South (Wilcox) | Atascosa | 1 | 31.4K | 0 | Sep 1995 – Oct 2025 |
| Sutton, Nell Estate O-1-9084 | Aaronmark Services, LLC only | Velma (ESCONDID0) | Atascosa | 1 | 28.9K | 20 | Jan 1993 – Apr 2026 |
| Jasik, Stanley J. O-1-9902 | Aaronmark Services, LLC only | Leming (Navarro Sand) | Bexar | 2 | 28.7K | 24 | Jan 1993 – Apr 2026 |
| Williams, Mary Isabella -A- O-1-5664 | Aaronmark Services, LLC only | Patty Hutt (Wilcox) | Atascosa | 5 | 28.6K | 19 | Jan 1993 – Apr 2026 |
| Donaho, W.T. et Al O-1-4954 | Aaronmark Services, LLC only | Floresville, E. (Poth B 2800) | Wilson | 1 | 28.1K | 21 | Jan 1993 – Apr 2026 |
| Wheeler, Roy G. et Al O-1-9122 | Aaronmark Services, LLC only | Velma (ESCONDID0) | Atascosa | 5 | 27.7K | 20 | Jan 1993 – Apr 2026 |
| Aaron Unit O-13-24232 | Senora Resources, Inc. only | Bryant-Dobos (Congl) | Wilbarger | 1 | 27.6K | 14.7K | Jan 1993 – May 2025 |
| Nixon O-1-6768 | Aaronmark Services, LLC only | Sutton (Navarro Sand) | Atascosa | 8 | 26.9K | 20 | Jan 1993 – Apr 2026 |
| Higgins, Mrs. C. C. O-1-3292 | Aaronmark Services, LLC only | Charlotte (Navarro) | Atascosa | 1 | 24.1K | 104 | Jan 1993 – Apr 2026 |
| Freyschlag O-8-28381 | Pendragon Oil Co. only | Aaron (Ranger) | Eastland | 1 | 24.1K | 88.6K | Oct 1997 – Mar 2026 |
| Hasse, W. C. -A- O-1-2020 | Aaronmark Services, LLC only | Bowman (Carrizo) | Wilson | 3 | 23.7K | 118 | Jan 1993 – Apr 2026 |
| Wier O-1-12528 | Aaronmark Services, LLC only | Pearsall (Austin Chalk) | Frio | 1 | 23K | 43 | Jan 1993 – Apr 2026 |
| Dickerson, Walter E. Estate O-1-8092 | Aaronmark Services, LLC only | Big Foot | Frio | 7 | 22.6K | 26 | Jan 1993 – Apr 2026 |
| Goodwin, N. L. O-1-9542 | Aaronmark Services, LLC only | Leming (2934 Sand) | Atascosa | 2 | 22.6K | 107 | Jan 1993 – Apr 2026 |
| Wilson, H. J. O-1-3757 | Aaronmark Services, LLC only | Floresville, E. (Poth B 2800) | Wilson | 1 | 20K | 21 | Jan 1993 – Feb 2026 |
| Jones, Beatrice O-1-9023 | Aaronmark Services, LLC only | Pruitt, S. (Escondido 4200) | Atascosa | 1 | 19.3K | 135 | Jan 1993 – Apr 2026 |
| Hierholzer, Clifford O-1-8393 | Aaronmark Services, LLC only | Higgins | Wilson | 1 | 18.9K | 42 | Jan 1993 – Apr 2026 |
| Farrell, V. A. O-1-3284 | Aaronmark Services, LLC only | Charlotte (Navarro) | Atascosa | 1 | 18.3K | 103 | Jan 1993 – Apr 2026 |
| Watkins, May et Al O-1-7395 | Aaronmark Services, LLC only | Acleto Creek (Poth B) | Wilson | 2 | 18.1K | 21 | Jan 1993 – Apr 2026 |
| Wiley, E.G. O-1-9449 | Aaronmark Services, LLC only | Acleto Creek (Poth B) | Wilson | 2 | 18K | 21 | Jan 1993 – Apr 2026 |
| Hasse, W. C. -B- O-1-2021 | Aaronmark Services, LLC only | Bowman (Carrizo) | Wilson | 3 | 16.7K | 118 | Jan 1993 – Apr 2026 |
| Hierholzer, Alton O-1-8703 | Aaronmark Services, LLC only | Higgins (Escondido) | Wilson | 4 | 16.1K | 203 | Jan 1993 – Apr 2026 |
| Hasse, W. C. O-1-132 | Aaronmark Services, LLC only | Bowman (Carrizo) | Wilson | 5 | 15K | 118 | Jan 1993 – Apr 2026 |
| Jeter, Aaron Unit G-6-135874 | Diversified Production LLC only | Waskom (Cotton Valley) | Panola | 1 | 14.2K | 1.39M | Jan 1993 – Apr 2026 |
| Hierholzer, C.H. O-1-8704 | Aaronmark Services, LLC only | Higgins (Escondido) | Wilson | 2 | 13.6K | 64 | Jan 1993 – Apr 2026 |
| Thompson, F. B. O-1-3308 | Aaronmark Services, LLC only | Charlotte (Navarro) | Atascosa | 1 | 13K | 104 | Jan 1993 – Apr 2026 |
| Hierholzer, C. H. O-1-2115 | Aaronmark Services, LLC only | Bowman (Carrizo) | Wilson | 2 | 12.8K | 118 | Jan 1993 – Apr 2026 |
| Lynn, Beatrice O-1-10518 | Aaronmark Services, LLC only | Acleto Creek (Poth A) | Wilson | 2 | 12.7K | 21 | Jan 1993 – Apr 2026 |
| Watkins, May O-1-10362 | Aaronmark Services, LLC only | Acleto Creek (Poth C) | Wilson | 1 | 12.6K | 21 | Jan 1993 – Apr 2026 |
| Desmuke -Z- O-1-10573 | Aaronmark Services, LLC only | Crown, E. (Navarro) | Atascosa | 1 | 11.8K | 28 | Jan 1993 – Apr 2026 |
| Adamitz, W.A. -C- O-1-8872 | Aaronmark Services, LLC only | Leming (2934 Sand) | Atascosa | 1 | 11.6K | 1 | Apr 1997 – Apr 2026 |
| Williams Unit O-1-4776 | Aaronmark Services, LLC only | Patty Hutt (Wilcox) | Atascosa | 2 | 9.09K | 19 | Jan 1993 – May 2016 |
| Schroeder O-1-9456 | Aaronmark Services, LLC only | W. P. Holloway (Navarro) | Atascosa | 3 | 8.07K | 21 | Jan 1993 – Apr 2026 |
| Hierholzer, Otto -A- O-1-8871 | Aaronmark Services, LLC only | Higgins | Wilson | 1 | 7.75K | 34 | Jan 1993 – Apr 2026 |
| Jasik, A.J. et UX O-1-9377 | Aaronmark Services, LLC only | Leming (2934 Sand) | Bexar | 2 | 6.39K | 24 | Jan 1993 – Apr 2026 |
| Hierholzer, Alton O-1-7811 | Aaronmark Services, LLC only | Higgins | Wilson | 1 | 4.69K | 412 | Jan 1995 – Apr 2026 |
| Aaron -A- O-1-12168 | Seeker Oil Company, Incorporated only | Somerset | Bexar | 2 | 4.45K | 21 | Jan 1993 – Oct 2013 |
| Hierholzer 7 BRS O-1-14277 | Aaronmark Services, LLC only | Bowman (Reklaw) | Wilson | 2 | 4.02K | 0 | Feb 2000 – Apr 2026 |