| Red Crest Trust G-2-165140 | First Rock, Inc. only | Roehl (Edwards) | De Witt | 1 | 4.35K | 751K | Aug 1997 – Dec 2006 |
| Snyder Mineral Trust 143 O-8-20673 | L.C.S. Production Company only | SMT (Palo Pinto) | Callahan | 1 | 4.35K | 254 | by Jan 1993 – Dec 2000 |
| Nolen, B. H., Etal O-8-7038 | Family Trust B, The only | Coleman County Regular | Coleman | 3 | 4.34K | 26.7K | by Jan 1993 – May 2017 |
| Frey Trust Gas Unit G-3-197611 | Neumin Production Company only | Hinkle (Cockfield 5800) | Harris | 1 | 4.33K | 516K | Aug 2003 – Feb 2005 |
| Riley Trust G-6-221171 | TGNR East Texas II LLC only | Waskom (Cotton Valley) | Harrison | 1 | 4.32K | 514K | May 2006 – Aug 2026 |
| West Ranch G-10-215373 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 4.32K | 573K | Nov 2005 – Jan 2026 |
| C-Bruni Mineral Trust G-4-63691 | Hilcorp Energy Company only | Laredo (Lobo) | Webb | 1 | 4.3K | 803K | by Jan 1993 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-164891 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.3K | 339K | Sep 1997 – Aug 2026 |
| Garza Zamora Energy Trust G-4-224080 | Merit Energy Company only | Flores (Vicksburg, Lower) | Hidalgo | 1 | 4.3K | 430K | Nov 2006 – Aug 2012 |
| Seisma - Richardson Trust Unit O-13-29035 | Guidance Oil Developers only | Olney, N W. (Miss.) | Archer | 1 | 4.28K | 0 | Aug 1995 – Jan 2001 |
| Begert Trust 32 G-14-254167 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 4.28K | 358K | Sep 2009 – Jul 2014 |
| Iowa Trust Tr. -A- O-10-4802 | Hydrogeo Energy, LLC only | Pecos Valley (Low Gravity) | Pecos | 1 | 4.27K | 126 | by Jan 1993 – Dec 2020 |
| Bruni Mineral Trust G-4-173048 | Hilcorp Energy Company only | Liz (9200) | Webb | 1 | 4.24K | 6.07M | May 1999 – Aug 2026 |
| Phillips-TXL -31- O-10-29587 | Rust Oil Corp. only | Mosswell (Strawn 8720) | Ector | 1 | 4.24K | 3.5K | by Jan 1993 – Aug 1996 |
| Bruni Mineral Trust North TR "A" G-4-174751 | Lakeshore Operating, LLC only | Valley (Navarro) | Webb | 1 | 4.23K | 3.19M | Oct 1999 – Aug 2026 |
| Atkinson, Orvis O-6-11391 | Long Trusts, The only | Toolan (Pettit, Lower) | Nacogdoches | 1 | 4.23K | 71.5K | by Jan 1993 – Dec 2016 |
| Bailey, James Trustee G-3-158692 | Neg Operating LLC only | Paul (LW-13) | Colorado | 1 | 4.22K | 281K | May 1996 – Jul 2002 |
| Craft Trust G-13-132806 | G & F Oil, Inc. only | Gilley (Caddo Lime) | Jack | 1 | 4.22K | 174K | by Jan 1993 – Jul 2026 |
| Iowa Realty Trust O-10-20423 | Molder, Tom only | Pecos Valley, SE. (Yates 1620) | Pecos | 2 | 4.22K | 22 | by Jan 1993 – Apr 2013 |
| Marshall Brothers Trust GU #1 G-3-211585 | Galloway Lone Star, L.L.C. only | Tomball, SE. (12,250) | Harris | 1 | 4.21K | 332K | Aug 2005 – Aug 2026 |
| Wright Trust O-4-11628 | Marquee Corporation only | Minnie Bock, N. (5500) | Nueces | 1 | 4.21K | 33 | by Jan 1993 – Oct 1995 |
| Begert Trust 4 G-14-251737 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 4.2K | 340K | Feb 2009 – Aug 2026 |
| Henderson Trust G-9-144781 | Apache Corporation only | Howards Creek (Canyon) | Crockett | 1 | 4.2K | 491K | Mar 1993 – Aug 2026 |
| Kincaid, A. R. Trust 'C' G-9-179925 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.2K | 213K | Oct 2000 – Aug 2026 |
| Kincaid, A. R. Trust "B" G-9-34348 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.19K | 293K | by Jan 1993 – Aug 2026 |
| Begert Trust 3 G-14-246503 | Bce-Mach II LLC only | Begert (10,200) | Hemphill | 1 | 4.18K | 686K | Nov 2008 – Aug 2026 |
| Yarbrough Trust G-5-179516 | Lodestone Operating, Inc. only | Oletha (Travis Peak) | Limestone | 1 | 4.17K | 2.6M | Oct 2000 – Aug 2026 |
| Lott Trust O-11-68313 | Voyager Gas Corporation only | Lazy-JL- (Strawn) | Garza | 3 | 4.17K | 685 | May 2001 – Feb 2005 |
| Rhodes Trust G-2-209648 | Falcon Production LLC only | Kawitt (Edwards) | Karnes | 1 | 4.16K | 1.5M | Oct 2004 – Aug 2011 |
| Odiorne, Truman N., Trustee "B" O-9-12605 | Texas Western Oil Company only | P-C, SW (Strawn, Lower) | Menard | 1 | 4.16K | 6.6K | by Jan 1993 – Sep 1998 |
| McCarthy Family Trust 97 G-3-218419 | Tempest Energy Resources, LP only | Seabreeze, N. (Nodosaria Taylor) | Chambers | 1 | 4.15K | 1.32M | May 2006 – Oct 2009 |
| Guitar Trust Estate -A- O-10-30528 | Sola Operating, LLC only | Varel (San Andres) | Howard | 1 | 4.15K | 17 | by Jan 1993 – Dec 2019 |
| Kincaid, A. R. Trust "D" G-9-225697 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.15K | 233K | Jan 2007 – Aug 2026 |
| Emerald O-8-23871 | Goopco, Inc. only | Rust Creek (Miss) | Throckmorton | 1 | 4.14K | 21 | by Jan 1993 – Feb 2001 |
| Marshall Trusts G-4-148170 | Varas Energy Operating Company, only | Cuba Libre (Wilcox Cons.) | Webb | 1 | 4.13K | 457K | Jan 1994 – Oct 2014 |
| Coates, F. G., Trustee -B- O-8-3463 | Spring Tree Management LC only | Shackelford County Regular | Shackelford | 3 | 4.11K | 19 | by Jan 1993 – May 2009 |
| Kincaid, A. R. Trust "D" G-9-262953 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.1K | 378K | May 2008 – Aug 2026 |
| University #36-2 G-9-156553 | White Rock Oil & Gas, LLC only | Pakenham (Thrusted) | Terrell | 1 | 4.08K | 569K | Sep 1995 – Jul 2002 |
| Moore, Marjorie O-6-11791 | Long Trusts, The only | Toolan (Pettit, Lower) | Nacogdoches | 1 | 4.08K | 80.1K | by Jan 1993 – Sep 2003 |
| Frost National Bank Trustee O-1-12903 | Oilton Resources, Inc. only | Dent Ingram (Olmos 5) | Dimmit | 1 | 4.07K | 22 | by Jan 1993 – Nov 2015 |
| Wilson Trust G-3-202085 | Brigham Oil & Gas, L.P. only | Pheasant, South ( 9,200 Frio) | Matagorda | 1 | 4.07K | 189K | May 2004 – Apr 2005 |
| Ramsey, E. G. O-13-2036 | Bayer, Frances E. Rev Liv Trust only | Cooke County Regular | Cooke | 1 | 4.06K | 20 | by Jan 1993 – Sep 2015 |
| Kincaid, A. R. Trust "B" G-9-173463 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.05K | 315K | Jun 1999 – Aug 2026 |
| McLane Texas Trust (East) O-3-9961 | Lomak Production Company only | Garwood, S. E. (Y-4) | Colorado | 1 | 4.04K | 948 | by Jan 1993 – Dec 1994 |
| Boston Texas Land & Trust G-4-254692 | Merit Energy Company only | Javelina (Vicksburg Cons.) | Hidalgo | 1 | 4.04K | 357K | Jan 2010 – Sep 2021 |
| Kincaid, A. R. Trust "B" G-9-164851 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.04K | 407K | Sep 1997 – Aug 2026 |
| Nobles Charitable Trust G-13-209345 | Eagleridge Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 4.03K | 1.41M | Mar 2005 – May 2024 |
| Kincaid, A. R. Trust -D- G-9-50531 | Scout Energy Management LLC only | Ozona, NE. (Canyon Sand) | Crockett | 1 | 4.03K | 230K | by Jan 1993 – Aug 2026 |
| Waggoner -AJ- O-13-15266 | Aaa Oil Trust only | Wichita County Regular | Wichita | 4 | 4.01K | 12 | by Jan 1993 – Jul 2010 |
| Fite, W. P. Unit #2 O-6-14586 | Long Trusts, The only | Minden (Travis Peak Cons.) | Rusk | 1 | 4.01K | 3.1K | Apr 2006 – Oct 2015 |