| J. D. Nabers G-8-17449 | Nabers, Lynn only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 12.4K | Oct 1996 – Mar 2003 |
| McClellan, Pat N. G-8-17458 | Cedar Ridge Energy, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 23.9K | Jan 1993 – Feb 2024 |
| Sikes, Ernest G-8-17459 | Cedar Ridge Energy, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 14.2K | Jan 1993 – Feb 2024 |
| Thompson, Walter M. G-8-30599 | Nabers, Lynn, the Estate Of only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 2.37K | Apr 1994 – Jan 2005 |
| Gentry, D. S. G-8-36108 | R & D Operating, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 12.8K | Jan 1993 – Nov 2010 |
| Moore, H. B. -A- G-8-41140 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 15.7K | Jan 1993 – Feb 2005 |
| Neal, L. E. G-8-41141 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 30.2K | Jan 1993 – Mar 2015 |
| Moore, H. B., -A- G-8-41332 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 17.5K | Jan 1993 – Dec 2005 |
| Moore, H. B., -C- G-8-41333 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 28.3K | Jan 1993 – Dec 2015 |
| Moore, H. B. G-8-41413 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 46.7K | Jan 1993 – Dec 2015 |
| Adams, B. J., -A- G-8-42571 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 14.6K | Jan 1993 – Oct 2015 |
| Nabers Ima Lou G-8-60100 | Brown Industrial Gas, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 12.5K | Jan 1993 – Dec 2005 |
| Wilson H.E. G-8-60898 | Wilson, H. E. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Wilson W.W G-8-60899 | Brown Industrial Gas, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 11.4K | Jan 1993 – Aug 2005 |
| Rice I. G. G-8-61027 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 20.3K | Jan 1993 – Dec 2015 |
| Nabers Ima Lou G-8-67434 | Nabers, Lynn only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 11.1K | Jan 1993 – Jul 2003 |
| Turnbow Gas Unit G-8-67992 | Brown Industrial Gas, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 12.7K | Jan 1993 – May 2005 |
| McClellen P.N. G-8-69177 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 34.7K | Jan 1993 – Dec 2015 |
| Nabers, Ima Lou & Lynn G-8-69805 | G.& S. Landscaping, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 11 | Apr 1996 – Apr 1996 |
| Hewgley, Otis G-8-70944 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 7.4K | Jan 1993 – Feb 2007 |
| Adams, Wesley G-8-71386 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 35.1K | Jan 1993 – Dec 2015 |
| Wilson, Georgia Bailey G-8-73371 | Dillard, N. L. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Nabers, Ima Lou & Lynn G-8-74682 | G.& S. Landscaping, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 19K | Jan 1993 – Mar 2021 |
| Adams, Wesley -A- G-8-75432 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 9.19K | Jan 1993 – Oct 2015 |
| Nabers, Ima Lou & Lynn G-8-80763 | Nabers, Lynn only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 13.4K | Jan 1993 – Mar 2003 |
| Clark, Bobby G-8-83611 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 50.5K | Jan 1993 – Dec 2015 |
| Clay O. Miller -B- G-8-97372 | Brown Industrial Gas, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 1.74K | Jan 1993 – Jul 1994 |
| Miller Clay,o "A" G-8-97436 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 23.8K | Jan 1993 – Dec 2015 |
| Baugh, Sudie G-8-99053 | Young, L. M. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Clark, Bobby G-8-99055 | Brown Industrial Gas OP, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 37K | Jan 1993 – Dec 2015 |
| Wilson, H. E. "159" G-8-106508 | Wilson, H. E. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Wilson, H. E. "159" G-8-111489 | Wilson Ranch only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 368 | Feb 1993 – Jul 1994 |
| Wilson, H.E. "159" G-8-111490 | Wilson, H. E. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Wilson, H. E. "159" G-8-112337 | Wilson Ranch only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 367 | Feb 1993 – Jul 1994 |
| Nabers,ima Lou & Lynn G-8-119329 | G.& S. Landscaping, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 17.7K | Jan 1993 – Feb 2014 |
| Nabers,ima Lou & Lynn G-8-119689 | G.& S. Landscaping, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 79.5K | Jan 1993 – Apr 2011 |
| McLellan G-8-120112 | R & D Operating, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 29.8K | Jan 1993 – Feb 2018 |
| Woodward G-8-120113 | Young, L. M. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 0 | — |
| Nabers,ima Lou & Lynn G-8-120869 | G.& S. Landscaping, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 13.5K | Jan 1993 – Dec 2015 |
| Nabers, Imalou & Lynn G-8-122694 | G.& S. Landscaping, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 42.4K | Jan 1993 – Feb 2021 |
| Nabers,ima Lou & Lynn G-8-123296 | G.& S. Landscaping, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 119K | Jan 1993 – Mar 2021 |
| Nabers, Ima Lou & Lynn G-8-134068 | G.& S. Landscaping, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 130K | Jan 1993 – Mar 2021 |
| Davis, Arlie E. G-8-208502 | Subsurface Production, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 16.3K | Apr 2005 – Dec 2022 |
| Arlie E. Davis G-8-215286 | Subsurface Production, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 6.05K | Dec 2005 – Dec 2022 |
| Arlie E. Davis G-8-218729 | Subsurface Production, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 6.31K | Mar 2006 – Dec 2022 |
| Davis, Arlie E. G-8-222465 | Subsurface Production, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 13K | Jun 2005 – Dec 2022 |
| Nabers, Ima Lou & Lynn G-8-234134 | G.& S. Landscaping, Inc. only | Brownwood, South (Marble Falls) | Brown | 1 | 0 | 3.28K | Jan 2005 – Apr 2011 |