| Stover, Don O-8-13909 | Southwest Gas Systems, Inc. | Jett (Duffer) | Brown | 1 | 27.2K | 24.9K | by Jan 1993 – Apr 2026 |
| Matson, P. I. "A" O-8-18772 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 4 | 25.1K | 146K | by Jan 1993 – Apr 2026 |
| Eubank, J. B. "A" O-8-16987 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 4 | 21K | 149K | by Jan 1993 – Apr 2026 |
| Griggs, R. L. O-8-18378 | Southwest Gas Systems, Inc. | Mexia Creek (Marble Falls) | Callahan | 1 | 20.5K | 50.6K | by Jan 1993 – Apr 2003 |
| McFarlane O-8-23439 | Southwest Gas Systems, Inc. | Callahan County Regular | Callahan | 1 | 18.4K | 646K | by Jan 1993 – Apr 2026 |
| Eubank, J. B. O-8-16988 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 3 | 17.8K | 155K | by Jan 1993 – Apr 2026 |
| Barr, A.L. O-8-12909 | Southwest Gas Systems, Inc. | Weedon (Marble Falls) | Brown | 1 | 17.8K | 178K | by Jan 1993 – Apr 2026 |
| Weedon, Joe "A" O-8-24185 | Southwest Gas Systems, Inc. | Weedon (Marble Falls) | Brown | 5 | 14.8K | 178K | by Jan 1993 – Apr 2026 |
| Cox, Marion Heirs -A- O-8-240 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 2 | 14.7K | 136K | by Jan 1993 – Apr 2026 |
| Murdoch, K.E. O-8-14073 | Southwest Gas Systems, Inc. | Murdoch (Duffer) | Brown | 1 | 12.5K | 41.8K | by Jan 1993 – Jul 2019 |
| Day,g.a. O-8-16493 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 5 | 10.1K | 73.1K | by Jan 1993 – Apr 2026 |
| Litton O-8-19604 | Southwest Gas Systems, Inc. | Locker (Duffer) | Brown | 4 | 7.65K | 73.1K | Mar 1993 – Apr 2026 |
| Glenn O-8-26019 | Southwest Gas Systems, Inc. | Locker (Duffer) | Brown | 5 | 6.99K | 83.3K | by Jan 1993 – Apr 2026 |
| Moore, J.W. O-8-13264 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 1 | 6.72K | 208K | by Jan 1993 – Apr 2026 |
| Lindley-Wagnon O-8-19714 | Southwest Gas Systems, Inc. | Locker (Duffer) | Brown | 1 | 6.04K | 13.6K | by Jan 1993 – Apr 2026 |
| Stroebel, C.G. O-8-13284 | Southwest Gas Systems, Inc. | Foster (Marble Falls) | Eastland | 19 | 5.67K | 130K | by Jan 1993 – Apr 2026 |
| Sikes, W.E. O-8-15846 | Southwest Gas Systems, Inc. | Thrifty (Marble Falls) | Brown | 1 | 4.6K | 236K | by Jan 1993 – Apr 2026 |
| Ferguson O-8-25524 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 1 | 4.14K | 12.3K | by Jan 1993 – Apr 2026 |
| Nichols, Dorothy O-8-23284 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 1 | 3.26K | 17K | Aug 2000 – Apr 2026 |
| Camp & Parks O-8-15045 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 1 | 3.14K | 51.6K | by Jan 1993 – Apr 2026 |
| Lindley-Wagnon O-8-19592 | Southwest Gas Systems, Inc. | Charlie Campbell (Caddo) | Brown | 1 | 3.13K | 56 | by Jan 1993 – Apr 2026 |
| McBride O-8-19304 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 4 | 3.01K | 314K | by Jan 1993 – Apr 2026 |
| Bucy -C- O-8-13093 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 1 | 2.88K | 20.4K | by Jan 1993 – Apr 2026 |
| Palmore, J.B. O-8-13765 | Southwest Gas Systems, Inc. | Bbb&c, BLK.3 (Marble Falls) | Brown | 2 | 2.82K | 111K | by Jan 1993 – Apr 2026 |
| Moore, Ben H O-8-13502 | Southwest Gas Systems, Inc. | Bbb&c, BLK.3 (Marble Falls) | Brown | 3 | 2.72K | 69.9K | by Jan 1993 – Apr 2026 |
| Stroebel, C.G. "B" O-8-21299 | Southwest Gas Systems, Inc. | Foster (Marble Falls) | Eastland | 3 | 2.67K | 44.5K | by Jan 1993 – Apr 2026 |
| Weedon, Joe O-8-24076 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 1 | 2.51K | 238K | by Jan 1993 – Apr 2026 |
| Bucy -A- O-8-14691 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 2 | 2.5K | 99.8K | by Jan 1993 – Aug 2017 |
| Wendel, W.R. O-8-13745 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 2 | 2.46K | 43.1K | Aug 2000 – Apr 2026 |
| Palmore, W.J. O-8-13241 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 2 | 1.74K | 71.2K | by Jan 1993 – Aug 2023 |
| Weedon, Joe O-8-11883 | Southwest Gas Systems, Inc. | Weedon (Marble Falls) | Brown | 1 | 1.64K | 41.4K | by Jan 1993 – Jul 2024 |
| Winn, Paul O-8-12744 | Southwest Gas Systems, Inc. | Weedon (Marble Falls) | Brown | 2 | 1.5K | 48K | by Jan 1993 – Apr 2026 |
| Griggs, R. L. O-8-29264 | Southwest Gas Systems, Inc. | Callahan County Regular | Callahan | 1 | 1.25K | 11.7K | Jul 2003 – Oct 2017 |
| Woods, Maudie O-8-13794 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 2 | 1.1K | 78.7K | by Jan 1993 – Jul 2024 |
| Fomby, O. B. O-8-119 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 4 | 983 | 42.6K | by Jan 1993 – Jun 2025 |
| Garms O-8-22030 | Southwest Gas Systems, Inc. | Williams (Marble Falls) | Brown | 1 | 844 | 59.9K | by Jan 1993 – Jul 2004 |
| Camp & Parks O-8-21667 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 1 | 725 | 66.6K | by Jan 1993 – Apr 2026 |
| Barton, Scott O-8-17421 | Southwest Gas Systems, Inc. | Mexia Creek (Congl) | Callahan | 1 | 634 | 16.2K | by Jan 1993 – May 2003 |
| Rankin, Ray O-8-13496 | Southwest Gas Systems, Inc. | Bbb&c, BLK.3 (Marble Falls) | Brown | 2 | 558 | 42.7K | by Jan 1993 – Jul 2017 |
| Litton O-8-20701 | Southwest Gas Systems, Inc. | Heidenreich (Upper Marble Falls) | Brown | 1 | 512 | 5.48K | Mar 1993 – Mar 2023 |
| Alford, Glenn O-8-26028 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 1 | 436 | 37.6K | by Jan 1993 – Oct 2013 |
| Nichols, Gladys "A" O-8-16128 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 3 | 433 | 15.7K | Feb 1993 – Jul 2011 |
| Seider, A.H. O-8-22433 | Southwest Gas Systems, Inc. | Carter-Bishop (Duffer) | Brown | 1 | 261 | 1.39K | by Jan 1993 – Mar 2000 |
| Seider, A. H. O-8-22843 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 2 | 250 | 1.35K | by Jan 1993 – Feb 1999 |
| Wheeler, T. B. & W. L. O-8-12083 | Southwest Gas Systems, Inc. | May-Grant (Marble Falls) | Brown | 1 | 241 | 8.16K | by Jan 1993 – Mar 2000 |
| White, C.M. O-8-28101 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 1 | 172 | 41.7K | Mar 1997 – Jul 2010 |
| Boyd Young O-8-25518 | Southwest Gas Systems, Inc. | Janet (Gray 2600) | Coleman | 1 | 172 | 3.62K | by Jan 1993 – Jul 2000 |
| Stroebel, C.G. "A" O-8-17013 | Southwest Gas Systems, Inc. | Foster (Marble Falls) | Eastland | 4 | 142 | 14.9K | by Jan 1993 – May 2017 |
| Matson, P.I. O-8-20904 | Southwest Gas Systems, Inc. | Brown County Regular | Brown | 2 | 4 | 496 | Sep 2007 – Jun 2009 |
| Gregory "6" O-8-23109 | Southwest Gas Systems, Inc. | Heidenreich (Upper Marble Falls) | Brown | 1 | 0 | 0 | — |