| Post-Montgomery Unit 1 O-11-60611 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 167 | 7.65M | 861K | Jan 1993 – Apr 2026 |
| Post Estate "A" O-11-1898 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 69 | 3.25M | 333K | Jan 1993 – Apr 2026 |
| Post Estate O-11-1873 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 83 | 3.16M | 621K | Jan 1993 – Apr 2026 |
| West City of Post SA Unit "A" O-11-62303 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 80 | 3.14M | 638K | Jan 1993 – Apr 2026 |
| City of Post San Andres "a" WF1 O-11-60713 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 98 | 2.94M | 643K | Jan 1993 – Apr 2026 |
| Northwest Garza Unit O-11-61053 | RJD Management Co., Inc. only | Garza | Garza | 87 | 2.66M | 3.1M | Jan 1993 – Apr 2026 |
| Southeast Garza Unit O-11-60197 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 131 | 2.61M | 521K | Jan 1993 – Apr 2026 |
| Southwest Garza Unit O-11-61155 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 68 | 2.17M | 349K | Jan 1993 – Apr 2026 |
| Post Estate O-11-1910 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 25 | 1.25M | 132K | Jan 1993 – Apr 2026 |
| Stoker, K. O-11-1876 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 25 | 801K | 134K | Jan 1993 – Apr 2026 |
| Stoker, K. O-11-63129 | Stelzer Drilling Co. Inc. only | Garza | Garza | 15 | 645K | 20 | Jan 1993 – Apr 2026 |
| Post Estate "C" O-11-11908 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 8 | 617K | 118K | Jan 1993 – Apr 2026 |
| Bingham, M. K. "AB" O-11-1958 | Winn Operating, LLC only | Garza | Garza | 6 | 553K | 55.2K | Jan 1993 – Apr 2026 |
| Kennedy O-11-62998 | Texstar Operating Inc. only | Garza | Garza | 14 | 418K | 29K | Jan 1993 – Apr 2026 |
| Bingham O-11-1885 | RJD Management Co., Inc. only | Garza | Garza | 5 | 295K | 162K | Jan 1993 – Apr 2026 |
| Kirkpatrick "A" O-11-64305 | Stelzer Drilling Co. Inc. only | Garza | Garza | 9 | 294K | 20 | Jan 1993 – Apr 2026 |
| Post Estate "C" O-11-10344 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 15 | 279K | 78K | Jan 1993 – Apr 2026 |
| Post Estate "D" O-11-1899 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 12 | 220K | 59.1K | Jan 1993 – Apr 2026 |
| Stoker, K. O-11-1916 | D & D Oil Co. #2 only | Garza | Garza | 14 | 196K | 325 | Jan 1993 – Jan 2026 |
| Stoker "3" O-11-1903 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 3 | 160K | 13.5K | Jan 1993 – Apr 2026 |
| Sullivan "A" O-11-1904 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 5 | 142K | 11.1K | Jan 1993 – Apr 2026 |
| Hair, Jack O-11-64139 | Stelzer Drilling Co. Inc. only | Garza | Garza | 5 | 138K | 20 | Jan 1993 – Apr 2026 |
| Montgomery-Davies O-11-13423 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 3 | 82.8K | 31.1K | Jan 1993 – Apr 2026 |
| Post Estate "C" O-11-61821 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 1 | 74K | 5.55K | Jan 1993 – Apr 2026 |
| Storie, J. F. "A" O-11-1829 | Three R Oil Company only | Garza | Garza | 1 | 73.6K | 4K | Jan 1993 – Apr 2026 |
| Kennedy O-11-63754 | Stelzer Drilling Co. Inc. only | Garza | Garza | 2 | 67.6K | 20 | Jan 1993 – Apr 2026 |
| Kirkpatrick O-11-64067 | Stelzer Drilling Co. Inc. only | Garza | Garza | 2 | 63.1K | 20 | Jan 1993 – Apr 2026 |
| Merrell, R. G. O-11-1828 | Three R Oil Company only | Garza | Garza | 2 | 56.8K | 3.5K | Jan 1993 – Apr 2026 |
| Storie, J. F "B" O-11-1830 | Three R Oil Company only | Garza | Garza | 1 | 55.3K | 3.38K | Jan 1993 – Apr 2026 |
| Post-Montgomery O-11-63252 | Texstar Operating Inc. only | Garza | Garza | 6 | 52.8K | 34 | Jan 1993 – Apr 2026 |
| Ammons, Donald R. Unit O-11-63635 | Three R Oil Company only | Garza | Garza | 1 | 41.1K | 13.4K | Jan 1993 – Apr 2026 |
| Panhandle & Santa FE R. R. Co. O-11-1883 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 2 | 39.7K | 34 | Jan 1993 – Apr 2026 |
| Stoker O-11-65188 | Das Oil Co. L.L.C. only | Garza | Garza | 2 | 39K | 254 | Jan 1993 – Apr 2026 |
| Post-Montgomery "N" O-11-64525 | Texstar Operating Inc. only | Garza | Garza | 2 | 37.8K | 34 | Jan 1993 – Apr 2026 |
| Wilson, C. R. O-11-1911 | D & D Oil Co. #2 only | Garza | Garza | 5 | 25.9K | 106 | Jan 1993 – Sep 2025 |
| Montgomery-Davies "H" O-11-1956 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 3 | 17.6K | 16.6K | Jan 1993 – Apr 2026 |
| Shytles, Powell O-11-9530 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 1 | 17.1K | 5.06K | Jan 1993 – Feb 2021 |
| Post Estate "B" O-11-10345 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 2 | 16.7K | 4.55K | Jan 1993 – Jul 2021 |
| Boy Scouts of America O-11-69655 | Brown, Geo. R Partnership,lp,the only | Garza | Garza | 2 | 15.9K | 32.9K | Jan 2011 – Apr 2026 |
| Sullivan O-11-68433 | Palmer Oil Properties only | Garza | Garza | 1 | 7.35K | 0 | Apr 2002 – Oct 2013 |
| Keeton O-11-69385 | Q Natural Resources, LLC only | Garza | Garza | 4 | 6.37K | 0 | May 2009 – Apr 2026 |
| Printz, Percy O-11-65422 | RJD Management Co., Inc. only | Garza | Garza | 1 | 3.47K | 21 | Jan 1993 – Nov 1998 |
| Post-Montgomery O-11-69710 | D & D Enterprises only | Garza | Garza | 1 | 1.86K | 0 | Dec 2010 – Apr 2026 |
| Post Isd O-11-66367 | Rocker a Operating Company only | Garza | Garza | 1 | 1.78K | 21 | Jan 1993 – Nov 1995 |
| Post O-11-69500 | D & D Enterprises only | Garza | Garza | 1 | 1.7K | 0 | Dec 2009 – Apr 2026 |
| Stoker, K "A" O-11-60379 | Brown, George R. Partnership,the only | Garza | Garza | 2 | 968 | 22 | Jan 1993 – Jan 1995 |
| Monty 1223 O-11-71365 | Discovery Operating, Inc. only | Garza | Garza | 1 | 520 | 0 | Aug 2023 – Aug 2023 |
| Morrow SWD O-11-69574 | Strawn Energy Services, LLC only | Garza | Garza | 1 | 20 | 0 | Sep 2010 – Sep 2010 |
| Stone, J.W. O-11-66863 | Davis Gas Processing, Inc. only | Garza | Garza | 1 | 0 | 0 | — |
| Stone, J. W. O-11-63688 | Brown, George R. Partnership,the only | Garza | Garza | 1 | 0 | 0 | — |