| Pittsburg Unit O-6-3286 | HD Operating Co, LLC only | Pittsburg | Camp | 73 | 3.02M | 436K | by Jan 1993 – Mar 2026 |
| Stewart, Curtis O-6-11525 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 5 | 453K | 21 | by Jan 1993 – Mar 2026 |
| Riddle, Mary Belle, Oil Unit O-6-4908 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 4 | 317K | 21 | by Jan 1993 – Jul 2026 |
| Newsome Unit O-6-14931 | Linder, John Operating Co., LLC only | Newsome (Pittsburg 8200) | Camp | 13 | 285K | 0 | Jan 2010 – Aug 2026 |
| Stewart, Curtis "A" O-6-13568 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 3 | 189K | 0 | Sep 1996 – Jul 2023 |
| Champion, James M., et Al O-6-4189 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 6 | 182K | 21 | by Jan 1993 – Jul 2026 |
| Garrett, C. C. O-6-11208 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 4 | 181K | 21 | by Jan 1993 – Apr 2026 |
| Boyce, L. E. O-6-3064 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 2 | 181K | 20 | by Jan 1993 – Jul 2026 |
| Florence, J. B., Est. O-6-2863 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 6 | 177K | 20 | by Jan 1993 – Jan 2026 |
| Boyce, Etal Unit O-6-2928 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 3 | 170K | 13 | by Jan 1993 – Aug 2025 |
| Messer, L. O-6-1141 | Pride Energy Company only | Newsome (Sub-Clarksville) | Camp | 1 | 169K | 52 | by Jan 1993 – Aug 2026 |
| Brison Heirs O-6-10726 | Iron Jaw Operating LLC only | Pittsburg | Camp | 1 | 166K | 20 | by Jan 1993 – Jan 2025 |
| Ramsdale, Sam O-6-3001 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 5 | 166K | 11 | by Jan 1993 – Jul 2026 |
| Steenson Unit O-6-4746 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville -B-) | Camp | 1 | 158K | 21 | by Jan 1993 – Jul 2026 |
| Wilson, J. Wesley, Heirs O-6-5062 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 4 | 132K | 21 | by Jan 1993 – Jul 2026 |
| Isom, Gilbert, Unit O-6-5057 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville -B-) | Camp | 2 | 117K | 21 | by Jan 1993 – Jul 2026 |
| Puckett, N. O. O-6-10927 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 3 | 117K | 21 | by Jan 1993 – Jul 2026 |
| Lockett, Roy B. O-6-4753 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 1 | 102K | 21 | by Jan 1993 – Jul 2026 |
| Miller, T. H. O-6-5819 | Pride Energy Company only | Newsome (Sub-Clarksville) | Camp | 2 | 100K | 52 | by Jan 1993 – Aug 2026 |
| Burke, Royal O-6-5376 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 2 | 99.3K | 10 | by Jan 1993 – Jul 2026 |
| Wilson, Wesley Etal O-6-11351 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 4 | 93.2K | 0 | Feb 1998 – Jul 2026 |
| Perkins, Asalee, Unit O-6-5069 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville -B-) | Camp | 1 | 92.2K | 21 | by Jan 1993 – Jul 2026 |
| Florence, L. C. -B- O-6-1135 | Pride Energy Company only | Newsome (Sub-Clarksville) | Camp | 2 | 92.2K | 49 | by Jan 1993 – Aug 2026 |
| Johnson O-6-11016 | Fairway Resources Operating, LLC only | Newsome (Pittsburg 8200) | Camp | 1 | 92K | 21 | by Jan 1993 – Dec 2009 |
| Hurliman O-6-13654 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 3 | 81.8K | 0 | Mar 1997 – May 2023 |
| Boyce, B.E., Est. O-6-10103 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 2 | 67.7K | 11 | by Jan 1993 – Jul 2023 |
| Florence, J. B., Heirs O-6-5034 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville -B-) | Camp | 3 | 66.7K | 0 | Sep 1995 – Jul 2026 |
| McKenzie, J. F. O-6-2865 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 4 | 65.8K | 7 | by Jan 1993 – Aug 2025 |
| Hagen Unit No. 2 O-6-4892 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 2 | 62.3K | 20 | by Jan 1993 – Jul 2026 |
| Hagen Unit No. 1 O-6-4893 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 1 | 61.4K | 19 | by Jan 1993 – Jul 2026 |
| Miller "A" O-6-10734 | Fairway Resources Operating, LLC only | Newsome (Pittsburg 8200) | Camp | 1 | 58.7K | 21 | by Jan 1993 – Dec 2009 |
| Lockett, R. F. Unit O-6-11216 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 1 | 58.4K | 21 | by Jan 1993 – Jul 2026 |
| Ferndale Club "E" O-6-14119 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 1 | 57.5K | 0 | Sep 2001 – Apr 2023 |
| Burk, Eugene Dale O-6-4940 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 1 | 56K | 21 | by Jan 1993 – Jul 2026 |
| Cason, Lillie, Unit O-6-2784 | Pride Energy Company only | Newsome (Sub-Clarksville) | Camp | 1 | 54.6K | 51 | by Jan 1993 – Aug 2026 |
| Merit-Venters "A" O-6-13835 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 3 | 49K | 0 | May 1998 – Jul 2026 |
| Ferndale Club "F" O-6-13820 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 1 | 47.4K | 0 | May 1998 – Oct 2025 |
| Johnson, R. L. O-6-13550 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 2 | 46.6K | 0 | Jun 1996 – Jul 2026 |
| Messer "B" O-6-11893 | Bishop Petroleum Inc. only | Newsome (Pittsburg 8200) | Camp | 1 | 45.6K | 20 | by Jan 1993 – Feb 1999 |
| Barron, Sovilla, Etal O-6-1133 | Pride Energy Company only | Newsome (Sub-Clarksville) | Camp | 1 | 44.2K | 51 | by Jan 1993 – Aug 2026 |
| Fieldon O-6-12729 | Southwest Operating, Inc.-Tyler only | Pittsburg (Sub-Clarksville -B-) | Camp | 1 | 43.6K | 2.34K | by Jan 1993 – Sep 2025 |
| Messer "A" O-6-11406 | Fairway Resources Operating, LLC only | Newsome (Pittsburg 8200) | Camp | 1 | 42.1K | 21 | by Jan 1993 – Dec 2009 |
| Chance, E. A. O-6-2806 | Krog Partners, LLC only | Pittsburg (Sub-Clarksville) | Camp | 2 | 35.2K | 36 | by Jan 1993 – May 2016 |
| Venters, A. S. O-6-11871 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 1 | 34.6K | 24 | by Jan 1993 – Apr 2026 |
| Turner, W. M. Heirs -A- O-6-4496 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville -B-) | Camp | 2 | 29.6K | 20 | by Jan 1993 – Jul 2026 |
| Boyce O-6-2999 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 1 | 29.2K | 10 | Feb 1993 – Mar 2025 |
| Chance, P. C. & E. A. O-6-2849 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 2 | 26.9K | 20 | by Jan 1993 – Jul 2026 |
| Barron O-6-10887 | Fairway Resources Operating, LLC only | Newsome (Pittsburg 8200) | Camp | 1 | 26.1K | 21 | by Jan 1993 – Dec 2009 |
| Vaiden "A" O-6-11103 | Fairway Resources Operating, LLC only | Newsome (Pittsburg 8200) | Camp | 2 | 26.1K | 19 | by Jan 1993 – Dec 2009 |
| McGlothin, W. C. O-6-11450 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 2 | 24.7K | 10 | by Jan 1993 – Mar 2025 |