| Flewellen G-6-98005 | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 22.8K | 1.72M | Jul 1993 – Apr 2026 |
| Culpepper G-6-86669 | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 19.2K | 1.46M | Jan 1993 – Apr 2026 |
| Flewellen G-6-294209 | Willow Springs (Travis Peak) | Gregg | 1 | 9.83K | 357K | Feb 2023 – Apr 2026 |
| Castleberry G-6-283273 | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 5.4K | 570K | Oct 2017 – Apr 2026 |
| Culpepper G-6-16890 | Willow Springs (Rodessa) | Gregg | 1 | 5.33K | 1.16M | Feb 1993 – Apr 2026 |
| Castleberry G-6-154908 | Willow Springs (Cotton Valley) | Gregg | 1 | 5.21K | 1.22M | May 1995 – Apr 2026 |
| Castleberry G-6-163187 | Willow Springs (Cotton Valley) | Gregg | 1 | 5.15K | 1.03M | Apr 1997 – Apr 2026 |
| Culpepper, E. P. G-6-16853 | Willow Springs (Henderson) | Gregg | 1 | 3.52K | 715K | Jul 1993 – Apr 2026 |
| Castleberry G-6-287276 | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 3.32K | 183K | Jun 2019 – Apr 2026 |
| Flewellen G-6-283329 | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 2.73K | 396K | Jun 2017 – Apr 2026 |
| Culpepper G-6-166631 | Willow Springs (Cotton Valley) | Gregg | 1 | 2.49K | 778K | Dec 1997 – Apr 2026 |
| Denson G-6-154486 | Willow Springs (Cotton Valley) | Gregg | 1 | 2.42K | 1.3M | Apr 1995 – Apr 2026 |
| Flewellen G-6-284681 | Willow Springs (Travis Peak) | Gregg | 1 | 1.26K | 161K | Jun 2018 – Apr 2026 |
| Castleberry G-6-291450 | Willow Springs (Travis Peak) | Gregg | 1 | 663 | 33.9K | Jan 2022 – Apr 2026 |
| McGrede G-6-283968 | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 327 | 61K | Feb 2018 – Apr 2026 |
| Flewellen G-6-293273 | Willow Springs (Travis Peak) | Gregg | 1 | 0 | 44.2K | Aug 2022 – Apr 2026 |
| Flewellen G-6-90394 | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 6.98K | 764K | Jan 1993 – Apr 2023 |
| Culpepper G-6-180654 | Willow Springs (T.peak Trans.) | Gregg | 1 | 1.77K | 222K | Dec 2000 – Feb 2023 |
| Flewellen G-6-145525 | Willow Springs (Cotton Valley) | Gregg | 1 | 7.03K | 1.2M | Apr 1993 – Jan 2023 |
| Castleberry G-6-93294 | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 3.06K | 784K | Jan 1993 – Jan 2023 |
| Culpepper G-6-284646 | Willow Springs-Mackey (Tr. Pk.) | Gregg | 1 | 36 | 20 | Sep 2018 – Feb 2021 |
| Castleberry G-6-156890 | Willow Springs (Cotton Valley) | Gregg | 1 | 5.64K | 1.12M | Nov 1995 – May 2019 |
| McGrede G-6-152649 | Willow Springs (Cotton Valley) | Gregg | 1 | 5.15K | 1.63M | Nov 1994 – Dec 2017 |
| Flewellen G-6-167233 | Willow Springs (Cotton Valley) | Gregg | 1 | 5.48K | 1.13M | Jan 1998 – Aug 2017 |
| Denson G-6-140658 | Willow Springs (Cotton Valley) | Gregg | 1 | 7.05K | 2.24M | Jan 1993 – May 2017 |
| Flewellen G-6-172550 | Willow Springs (Cotton Valley) | Gregg | 1 | 5.14K | 785K | Dec 1998 – Feb 2017 |
| Castleberry G-6-147362 | Willow Springs (Cotton Valley) | Gregg | 1 | 5.15K | 1.22M | Nov 1993 – Dec 2015 |
| Castleberry G-6-155636 | Willow Springs (Cotton Valley) | Gregg | 1 | 5.97K | 1.32M | Jun 1995 – Nov 2015 |
| Culpepper G-6-149312 | Willow Springs (Cotton Valley) | Gregg | 1 | 9.45K | 1.32M | Mar 1994 – Sep 2015 |
| Flewellen G-6-171658 | Willow Springs (Cotton Valley) | Gregg | 1 | 4.12K | 1.01M | Nov 1998 – May 2015 |