| Block/Guerra G-4-125090 | Arroyo Los Olmos (Guerra Sand) | Starr | 1 | 89.1K | 2.71M | Jan 1993 – Apr 2026 |
| Walker, Billy L. G-4-153063 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 41K | 3.76M | Jan 1995 – Apr 2026 |
| Block-Guerra G-4-124670 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 26.4K | 3.3M | Jan 1993 – Apr 2026 |
| Ricaby G-4-172075 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 24.6K | 1.07M | May 1998 – Apr 2026 |
| Margo/Pena G-4-121118 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 22.6K | 2.83M | Jan 1993 – Apr 2026 |
| Ringgold Farms 1 G-4-123139 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 22.3K | 1.68M | Jan 1993 – Apr 2026 |
| El Paton G-4-246922 | T Patch (Reklaw Oso) | Zapata | 1 | 22.3K | 1.11M | Jun 2008 – Apr 2026 |
| Walker, Billy L. G-4-185319 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 20.3K | 2.1M | Sep 2001 – Apr 2026 |
| Walker, Billy L G-4-274294 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 19.1K | 880K | Apr 2014 – Apr 2026 |
| Margo/Pena G-4-179853 | Arroyo Los Olmos (Guerra Sand) | Starr | 1 | 18.8K | 1.1M | Oct 2000 – Apr 2026 |
| Wood/Wardner G-4-211972 | Gregg Wood, W. (5530) | Starr | 1 | 15.1K | 1.53M | May 2005 – Apr 2026 |
| El Paton G-4-242315 | T Patch (Reklaw Oso) | Zapata | 1 | 11.4K | 718K | Sep 2008 – Apr 2026 |
| Guerra G-4-215507 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 10.7K | 1.22M | Nov 2005 – Apr 2026 |
| Guerra G-4-151443 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 9.97K | 1.28M | Oct 1994 – Apr 2026 |
| Bowers Trust G-4-251146 | T Patch (Reklaw Oso) | Zapata | 1 | 7.23K | 682K | Jul 2009 – Apr 2026 |
| Bowers Trust G-4-252976 | T Patch (Reklaw Oso) | Zapata | 1 | 7.04K | 1.06M | Oct 2009 – Apr 2026 |
| Wood-Wardner G-4-279548 | Gregg Wood, W. (5530) | Starr | 1 | 6.08K | 712K | Apr 2014 – Apr 2026 |
| Donnell Minerals G-4-229978 | T Patch (Reklaw Oso) | Zapata | 1 | 5.97K | 255K | Aug 2007 – Apr 2026 |
| Wood/Guerra G-4-129867 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 4.18K | 1.01M | Jan 1993 – Apr 2026 |
| Garza G-4-247278 | Roma, East (5650) | Starr | 1 | 2.35K | 423K | Jun 2008 – Apr 2026 |
| Gutierrez G-4-234479 | T Patch (Reklaw Oso) | Starr | 1 | 2.2K | 406K | Jan 2008 – Apr 2026 |
| Guerra, R.R. G-4-219301 | Pedernal (Queen City) | Starr | 1 | 1.37K | 621K | Jul 2006 – Apr 2026 |
| Wood Unit G-4-279335 | Gregg Wood, W. (5530) | Starr | 1 | 1.23K | 153K | Jun 2015 – Apr 2026 |
| Mauricio Gonzalez Unit G-4-233582 | T Patch (Reklaw Oso) | Starr | 1 | 372 | 421K | Aug 2007 – Apr 2026 |
| Guerra G-4-125748 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 327 | 859K | Jan 1993 – Apr 2026 |
| Garza Heirs Unit 2 G-4-275498 | T Patch (Reklaw Oso) | Starr | 1 | 284 | 221K | Mar 2012 – Apr 2026 |
| Lopez, J. G. G-4-270772 | Roadrunner (Basal Queen City) | Jim Hogg | 1 | 5.48K | 650K | Jun 2013 – Oct 2025 |
| Gutierrez G-4-235477 | T Patch (Reklaw Oso) | Starr | 1 | 515 | 215K | Mar 2008 – Sep 2025 |
| Coates/Wright Unit G-4-257197 | Gregg Wood, S. (3950 W.) | Starr | 1 | 28.9K | 311K | Aug 2010 – May 2025 |
| Guerra Mineral Trust G-4-218315 | T Patch (Reklaw Oso) | Starr | 1 | 5.24K | 703K | Mar 2006 – Apr 2021 |
| Guiterrez, J.M. Estate G-4-106783 | Roadrunner (Basal Queen City) | Jim Hogg | 1 | 17K | 1.38M | Jan 1993 – Apr 2019 |
| Rodriguez-State G-4-245245 | T Patch (Reklaw Oso) | Zapata | 1 | 12.8K | 333K | Oct 2008 – Oct 2017 |
| Starr Produce Company G-4-222925 | Garcias Ridge (Queen City) | Starr | 1 | 7.32K | 296K | Oct 2006 – Aug 2017 |
| Guerra Mineral Trust G-4-217404 | T Patch (Reklaw Oso) | Starr | 1 | 6.11K | 276K | Mar 2006 – Jul 2017 |
| Gutierrez G-4-233584 | T Patch (Reklaw Oso) | Starr | 1 | 5.94K | 1.38M | Aug 2007 – Jun 2016 |
| Guerra G-4-225218 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 936 | 102K | Feb 2007 – Aug 2015 |
| Ringgold Farms G-4-124576 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 8 | 216K | Jan 1993 – Aug 2015 |
| Gutierrez, J. M. Estate G-4-256831 | Roadrunner (Basal Queen City) | Jim Hogg | 1 | 8.1K | 776K | Jun 2010 – Jul 2015 |
| Garcia, Salvador "G" G-4-197771 | Volpe (5500) | Zapata | 1 | 126 | 35.3K | Oct 2003 – Mar 2014 |
| Walker, Billy L. G-4-150189 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 2.37K | 268K | Jun 1994 – Jun 2013 |
| Margo/Pena G-4-200161 | Arroyo Los Olmos (Middle Yegua) | Starr | 1 | 7.4K | 233K | Feb 2004 – Nov 2012 |
| F. R. C. - Little, et Al G-2-216122 | Provident City, NE (2100) | Lavaca | 1 | 0 | 137K | Oct 2005 – Sep 2009 |
| Little, F. R. C. et Al G-2-189468 | Provident City, NE (2100) | Lavaca | 1 | 0 | 355K | Mar 2002 – Sep 2009 |
| Wood/Wardner G-4-189026 | Gregg Wood, W. (5530) | Starr | 1 | 6.33K | 336K | Jan 2002 – Jun 2009 |
| Pruett G-4-55118 | Mathis, N. (3810, S) | San Patricio | 1 | 121 | 307K | Jan 1993 – Jan 2008 |
| Hiles/Garza #1 G-4-216708 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 2.84K | 42.3K | Mar 2006 – Feb 2007 |
| Wright G-4-218277 | Ricaby (1200) | Starr | 1 | 0 | 241 | Dec 2005 – Jan 2006 |
| Siecko et al No. 1 G-2-198546 | Morales (3260) | Jackson | 1 | 0 | 246K | Jul 2003 – Mar 2005 |
| Fowler G-4-194297 | Het (2500) | San Patricio | 1 | 744 | 50.9K | Feb 2003 – Feb 2005 |
| Salinas, et Al G-4-168189 | Arroyo Los Olmos (Yegua 25) | Starr | 1 | 76 | 5.36K | Mar 1998 – Oct 2004 |