| Malinda 745 G-14-288241 | Highmark Energy Operating, LLC | Allen-Parker (Marmaton) | Ochiltree | 1 | 194K | 1.06M | Nov 2018 – Apr 2026 |
| Fairway/James Lime/Unit G-6-181540 | Highmark Energy Operating, LLC | Fairway (James Lime) | Anderson | 1 | 112K | 9.15M | Mar 2001 – Apr 2026 |
| Stringfield, Tommye G-5-123556 | Highmark Energy Operating, LLC | Sand Trap (James Lime) | Henderson | 1 | 93.1K | 20.2M | Jan 1993 – Apr 2026 |
| Fairway/James Lime/Unit G-6-226134 | Highmark Energy Operating, LLC | Fairway (James Lime) | Anderson | 1 | 87.8K | 12.2M | Feb 2007 – Apr 2026 |
| Roberts/Miller-Holloway G.U. G-5-124987 | Highmark Energy Operating, LLC | Sand Trap (James Lime) | Henderson | 1 | 87.3K | 25.3M | Jan 1993 – Mar 2023 |
| Doyle, J.B. G-14-266422 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 85.8K | 974K | Dec 2011 – Jul 2021 |
| Price, Willis D. G-14-267668 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 84.9K | 718K | Apr 2012 – Apr 2026 |
| Hightower et al GU 1 G-5-111323 | Highmark Energy Operating, LLC | Moore Station (James Lime) | Henderson | 1 | 78.8K | 19.2M | Jan 1993 – Sep 2024 |
| Doyle, J.B. G-14-266375 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 75K | 1.22M | Jun 2011 – Apr 2026 |
| Doyle, Robert B. G-14-266559 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 59.8K | 644K | Sep 2010 – Apr 2023 |
| Doyle, Robert B G-14-278802 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 58.8K | 596K | Feb 2015 – Apr 2026 |
| Reba N Miller G-14-282340 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 58.8K | 858K | Mar 2017 – Apr 2026 |
| Doyle, Robert B G-14-266469 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 55.4K | 358K | Sep 2011 – Sep 2022 |
| Price, Willis D. G-14-265459 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 54.8K | 646K | Jan 2011 – Nov 2017 |
| Doyle, Robert 'B' G-14-279623 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 52.6K | 782K | Feb 2015 – Apr 2026 |
| Doyle, Robert B G-14-267105 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 49.1K | 118K | Apr 2011 – Sep 2019 |
| Doyle, Robert B G-14-278576 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 45.6K | 492K | Feb 2015 – Apr 2026 |
| Fairway/James Lime/Unit G-6-208429 | Highmark Energy Operating, LLC | Fairway (James Lime) | Anderson | 1 | 45.1K | 2.49M | Feb 2005 – Apr 2025 |
| Harry Parker 697 G-14-281852 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 43.4K | 593K | Nov 2016 – Apr 2026 |
| Keystone Mills Co. G-3-190753 | Highmark Energy Operating, LLC | Conroe (Middle Wilcox Cons.) | Montgomery | 1 | 41.9K | 5.49M | Jan 2002 – Sep 2007 |
| Reba N Miller G-14-282298 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 39.8K | 668K | Mar 2017 – Apr 2026 |
| Harry Parker 697 G-14-281831 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 38.1K | 1.31M | Nov 2016 – Apr 2026 |
| Tyson, D. R. G-14-247369 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 37.1K | 714K | Dec 2008 – Apr 2026 |
| Price, Willis D. G-14-266379 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 37K | 260K | Nov 2011 – Mar 2023 |
| Doyle, J.B. G-14-267714 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 36.7K | 902K | Sep 2012 – Apr 2026 |
| Doyle, J.B. G-14-209619 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 34.5K | 843K | Jan 2005 – Apr 2026 |
| Reba N Miller G-14-266393 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 32.2K | 367K | Jun 2011 – Apr 2026 |
| Doyle, J.B. G-14-266374 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 31K | 282K | Jun 2011 – Aug 2015 |
| Fairway/James Lime/Unit G-6-209848 | Highmark Energy Operating, LLC | Fairway (James Lime) | Henderson | 1 | 28.9K | 2.32M | Mar 2005 – Apr 2026 |
| Price, WD -B- G-14-258033 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 28.8K | 686K | Feb 2010 – Apr 2026 |
| Doyle, Robert B G-14-266454 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 28K | 403K | Jul 2011 – Jan 2016 |
| Doyle, J.B. G-14-206731 | Highmark Energy Operating, LLC | Lipscomb (Morrow) | Lipscomb | 1 | 27.3K | 2.2M | Sep 2004 – Apr 2026 |
| Price, Willis D. G-14-266376 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 26.6K | 407K | Jul 2011 – Jun 2024 |
| Tyson, D.R. G-14-265818 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 26.3K | 505K | Apr 2011 – Apr 2026 |
| Price, Willis D. G-14-224728 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 26.1K | 468K | Nov 2006 – May 2012 |
| William Schultz G-14-266484 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 26K | 390K | Feb 2012 – Feb 2024 |
| Schultz Brothers C G-14-243121 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 25.6K | 490K | Jul 2008 – Feb 2022 |
| Fairway/James Lime/Unit G-6-181718 | Highmark Energy Operating, LLC | Fairway (James Lime) | Henderson | 1 | 24.6K | 2.45M | Mar 2001 – Jun 2025 |
| Doyle, J.B. G-14-219384 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 24.5K | 1.72M | Aug 2006 – Apr 2026 |
| Fairway/James Lime/Unit G-6-208183 | Highmark Energy Operating, LLC | Fairway (James Lime) | Henderson | 1 | 24.2K | 1.81M | Feb 2005 – Apr 2026 |
| Brillhart 820 G-14-212724 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 23.4K | 520K | Oct 2005 – Apr 2018 |
| Schultz 696 G-14-218771 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 23.1K | 456K | Aug 2006 – Apr 2026 |
| Weidner 798 G-14-219432 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 23.1K | 210K | Jun 2006 – Sep 2015 |
| Price, Willis D. G-14-215017 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 23K | 528K | Feb 2006 – Mar 2017 |
| Doyle, Robert B. G-14-266382 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 22.9K | 267K | Jul 2011 – Sep 2019 |
| Brillhart 820 G-14-210553 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 22.1K | 461K | Jun 2005 – Oct 2016 |
| Price, WD -B- G-14-214224 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 22K | 313K | May 2005 – Apr 2026 |
| Price, WD -B- G-14-214226 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 21.7K | 330K | Dec 2005 – Jul 2016 |
| Price, WD -B- G-14-223512 | Highmark Energy Operating, LLC | Lipscomb (Cleveland) | Lipscomb | 1 | 21.5K | 381K | Sep 2006 – Sep 2017 |
| Fairway/James Lime/Unit G-6-221092 | Highmark Energy Operating, LLC | Fairway (James Lime) | Henderson | 1 | 21.5K | 1.69M | Jul 2005 – Apr 2026 |