| 21901 | Patterson Petroleum, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Feb 2000 |
| 21902 | Patterson Production Co. | Phillipsburg, KS 67661 | Oil Operator | Jul 1998 |
| 21903 | Patterson Resources, Inc. | | Oil & Gas Operator | Apr 1984 |
| 21904 | Patterson Russell B | Wewoka, OK 74884-1262 | Oil & Gas Operator | Feb 2020 |
| 21905 | Patterson, Ben M., Jr. | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2003 |
| 21906 | Patteson Brother | | Oil Operator | Feb 1990 |
| 21907 | Patteson Oil | | Oil Operator | Dec 2009 |
| 21908 | Patteson Oil, A General Partnership | Moline, KS 67353 | Oil Operator | Jan 2025 |
| 21909 | Patteson, Thomas Wade | Moline, KS 67353 | Oil Operator | Mar 2025 |
| 21910 | Patteson-Sheel O | | Oil Operator | Oct 1990 |
| 21911 | Pattie Creek Oil | | Oil Operator | May 1995 |
| 21912 | Pattie Creek Oil Company | Madison, KS 66860 | Oil Operator | Feb 2000 |
| 21913 | Patton Coleman Exploration Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jul 2025 |
| 21914 | Patton Dale | Stillwater, OK 74074 | Oil & Gas Operator | Dec 2011 |
| 21915 | Patton Exploration, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jul 2025 |
| 21916 | Patton Oil Compa | | Oil & Gas Operator | Nov 1994 |
| 21917 | Patton Oil Company | Midland, TX 79702 | Oil & Gas Operator | Jun 2007 |
| 21918 | Patton Oil Corp. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Aug 2003 |
| 21919 | Patton Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 1997 |
| 21920 | Patton, Donald L & Jerry | Electra, TX 76360 | Oil & Gas Operator | Aug 2007 |
| 21921 | Patton, E. N. Oil Company, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jul 2025 |
| 21922 | Patton, Lloyd | Fort Worth, TX 76113 | Oil & Gas Operator | Aug 2003 |
| 21923 | Patton, Lloyd J Estate | Fort Worth, TX 76113 | Oil & Gas Operator | Aug 2003 |
| 21924 | Patty Creek Oil LLC | Emporia, KS 66801 | Oil Operator | Mar 2025 |
| 21925 | Paul Bowman Oil | | Oil Operator | Jul 2000 |
| 21926 | Paul Bowman Oil Trust | Codell, KS 67663 | Oil Operator | Mar 2025 |
| 21927 | Paul Burton LLC | Ardmore, OK 73401 | Oil & Gas Operator | May 2025 |
| 21928 | Paul E. Cameron, Jr., Inc. | | Oil & Gas Operator | May 2003 |
| 21929 | Paul Gillham Oil Company | Maud, OK 74854 | Oil & Gas Operator | Apr 2025 |
| 21930 | Paul Gowan-Miss. Ventures | | Gas Operator | Jan 1990 |
| 21931 | Paul Graham Drilling & Service Co. | | Oil & Gas Operator | Dec 2011 |
| 21932 | Paul Guido | | Oil Operator | Oct 1998 |
| 21933 | Paul J. Ross | | Oil Operator | Dec 1986 |
| 21934 | Paul M. Toce | | Oil & Gas Operator | Jul 1984 |
| 21935 | Paul M. Woodward | | Oil Operator | Apr 2025 |
| 21936 | Paul Rankin Inc. | | Oil & Gas Operator | May 2025 |
| 21937 | Pauley Oil | | Oil Operator | Mar 2025 |
| 21938 | Pauley, Joseph E | Spencer, WV 25276-8719 | Oil & Gas Operator | Dec 2021 |
| 21939 | Pauley, Ralph | Sod, WV 25564 | Oil & Gas Operator | Dec 2021 |
| 21940 | Pauley, W.E., Agent | Spencer, WV 25276-0000 | Gas Operator | Dec 2021 |
| 21941 | Paulico Resources, Inc. | Charleston, WV 25301-0000 | Oil & Gas Operator | Dec 2021 |
| 21942 | Pauls Valley Disposal LLC | Pauls Valley, OK 73075 | Oil Operator | Mar 2015 |
| 21943 | Paulsen Petroleu | | Oil Operator | Feb 1994 |
| 21944 | Pautsky, Jimmy | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2025 |
| 21945 | Pautsky, Jimmy Estate Of | Wichita Falls, TX 76308 | Oil Operator | Jan 2022 |
| 21946 | Pavlas Oil & Gas | Rockdale, TX 76567 | Oil & Gas Operator | Jul 2025 |
| 21947 | Paw Oil And Gas LTD | North Canton, OH 44720 | Oil & Gas Operator | Dec 2024 |
| 21948 | Pawnee Oil And Gas, Inc. | Richardson, TX 75083 | Oil & Gas Operator | May 2023 |
| 21949 | Pawnee Oil Corp. | | Oil Operator | May 2003 |
| 21950 | Pawnee Oil, LLC | Overland Park, KS 66221 | Oil Operator | Jan 2025 |
| 21951 | Pawnee Petroleum Company | Seminole, OK 74868-0951 | Oil & Gas Operator | Feb 2023 |
| 21952 | Pax Energy LLC | Oklahoma City, OK 73112-7371 | Oil Operator | Sep 2021 |
| 21953 | Pax Energy LTD | Elmhurst, IL 60126 | Oil & Gas Operator | Dec 1998 |
| 21954 | Pax Petroleum Corporation | La Jolla, CA 92037 | Oil & Gas Operator | Mar 2008 |
| 21955 | Paxco, Inc. | Hays, KS 67601 | Oil & Gas Operator | Mar 2025 |
| 21956 | Paxton Oil Company | | Oil & Gas Operator | Dec 2024 |
| 21957 | Paxton Petroleum, LTD. | | Oil & Gas Operator | May 1989 |
| 21958 | Paxton Resources LLC | | Oil & Gas Operator | May 2025 |
| 21959 | Pay Oil, L. L. C. | | Oil & Gas Operator | Jan 2025 |
| 21960 | Pay Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 21961 | Pay Ventures, L.L.C. | | Oil Operator | Dec 2024 |
| 21962 | Payne Charlie D | Lawton, OK 73505 | Oil & Gas Operator | May 2001 |
| 21963 | Payne Exploration Company | Crescent, OK 73028 | Oil & Gas Operator | Apr 2025 |
| 21964 | Payne Petroleum | Abilene, TX 79604 | Oil & Gas Operator | Jul 2025 |
| 21965 | Payne Producing Co. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jun 2008 |
| 21966 | Payne W C Family Trust | Oklahoma City, OK 73116-9044 | Oil & Gas Operator | Mar 2015 |
| 21967 | Payne, B.R. Oil & Gas, Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Feb 2006 |
| 21968 | Payne, Frank O | | Oil Operator | Aug 1999 |
| 21969 | Payne, George A | Newburgh, IN 47629 | Oil Operator | Dec 2023 |
| 21970 | Payne, H Jennings Dba Payne Bros | Newburgh, IN 47630 | Oil Operator | Dec 2023 |
| 21971 | Payne, Lawrence R Dba Payne DRLG Co | Philpot, KY 42366 | Oil Operator | Dec 2022 |
| 21972 | Payne, Richard N & Lynn M | Henderson, KY 42420 | Oil Operator | Dec 2023 |
| 21973 | Payne, Robert E | Buckhannon, WV 26201 | Oil & Gas Operator | Dec 2021 |
| 21974 | Payne, Sean And Heather | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 21975 | Payne, W. C. | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2005 |
| 21976 | Payne-Johnston | Tyler, TX 75702 | Oil & Gas Operator | Nov 1996 |
| 21977 | Payne-Johnston & Byars | Tyler, TX 75702 | Oil & Gas Operator | Jun 1997 |
| 21978 | Payneco Pipeline Company | Yale, OK 74085 | Oil & Gas Operator | Dec 2000 |
| 21979 | Payola Productions | Athens, TX 75751 | Oil & Gas Operator | Nov 1994 |
| 21980 | Payrock Energy LLC | Oklahoma City, OK 73134-2612 | Oil & Gas Operator | Feb 2023 |
| 21981 | Payrock II, LLC | Houston, TX 77007 | Oil & Gas Operator | Dec 2020 |
| 21982 | Payson Operating, LLC | Argyle, TX 76226 | Oil & Gas Operator | Mar 2018 |
| 21983 | Paystone Oil Corporation | Tulsa, OK 74105 | Oil Operator | Mar 2009 |
| 21984 | PB Oil Company | Vernon, TX 76385 | Oil & Gas Operator | Oct 2023 |
| 21985 | Pbex Operations, LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 21986 | PBT Enterprises Inc | Garber, OK 73738 | Oil & Gas Operator | May 2023 |
| 21987 | PCL Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | Apr 2025 |
| 21988 | Pcore Exploration & Prod II LLC | Golden, CO 80401 | Oil & Gas Operator | Jun 2020 |
| 21989 | PCR Operating LLC | | Oil & Gas Operator | Jul 2024 |
| 21990 | PD Valentine Oil & Gas LLC | Newport, OH 45768 | Oil & Gas Operator | Dec 2024 |
| 21991 | PDC Corporation | | Oil & Gas Operator | Jan 2011 |
| 21992 | PDC Energy | Denver, CO 80203 | Oil & Gas Operator | Nov 2012 |
| 21993 | PDC Energy Inc | Denver, CO 80203 | Oil & Gas Operator | May 2025 |
| 21994 | PDC Mountaineer LLC | Bridgeport, WV 26330-9665 | Oil & Gas Operator | Dec 2017 |
| 21995 | PDC Permian, Inc. | Midland, TX 79706 | Oil & Gas Operator | Jul 2025 |
| 21996 | PDC-WV-Co Corporation | Denver, CO 80203 | Oil & Gas Operator | Aug 2010 |
| 21997 | Pdeh LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2025 |
| 21998 | PDG Production LLC | Stroud, OK 74079 | Oil & Gas Operator | Mar 2025 |
| 21999 | PDH Enterprises | Pittsburg, TX 75686 | Oil & Gas Operator | Apr 2019 |
| 22000 | PDQ Oil & Gas LLC | The Plains, OH 45780 | Oil & Gas Operator | Dec 2022 |