| 21801 | Paoli Investors LTD | | Oil & Gas Operator | Aug 1985 |
| 21802 | Pap Oil Company Inc | Cement, OK 73017-0240 | Oil & Gas Operator | Nov 1998 |
| 21803 | Papal Enterprises Inc | Oklahoma City, OK 73154-1555 | Oil & Gas Operator | Apr 2015 |
| 21804 | Papco, Inc. | Warren, PA 16365 | Oil & Gas Operator | Jun 2025 |
| 21805 | Pape Oilfield Service Inc | | Oil & Gas Operator | Jul 2018 |
| 21806 | Papesch Robert J | Waterford, PA 16441-4607 | Gas Operator | Dec 2024 |
| 21807 | Papineau Drilling, Inc | Albany, KY 42602 | Oil Operator | Dec 2014 |
| 21808 | Pappe Court Jr | Kingfisher, OK 73750-0688 | Oil & Gas Operator | Nov 2001 |
| 21809 | Par Development | Midland, TX 79711 | Oil & Gas Operator | Jun 2025 |
| 21810 | Par Expl Co & Taurus Petroleum | | Gas Operator | Mar 1984 |
| 21811 | Par Exploration Co | | Oil & Gas Operator | Oct 1986 |
| 21812 | Par Minerals Corporation | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2025 |
| 21813 | Par Oil Company Inc | Denver, CO 80201 | Oil & Gas Operator | Jun 2003 |
| 21814 | Par Oil Corporation | | Oil & Gas Operator | Sep 1990 |
| 21815 | Par Oil Corporation, Et Al | | Oil & Gas Operator | Dec 1984 |
| 21816 | Par Pacific Holdings Inc | | Oil & Gas Operator | Apr 2015 |
| 21817 | Par Petroleum In | | Oil & Gas Operator | Jun 1993 |
| 21818 | Par Petroleum, Inc. | Liberal, KS 67901 | Gas Operator | Dec 2009 |
| 21819 | Par Producing Company | Snyder, TX 79550 | Oil & Gas Operator | Jun 2017 |
| 21820 | Par, Inc. | Oklahoma City, OK 73111 | Oil Operator | May 2016 |
| 21821 | Par-Co Drilling Inc. | | Oil Operator | Dec 2023 |
| 21822 | Par-Naylor | | Oil Operator | Mar 1985 |
| 21823 | Para Pro Corporation | Sedona, AZ 86336-5745 | Oil & Gas Operator | Jan 2005 |
| 21824 | Parabellum Energy Oper Co, LLC | Houston, TX 77056 | Oil Operator | Dec 2017 |
| 21825 | Paradigm Energy LLC | Lenexa, KS 66227 | Oil & Gas Operator | Dec 2024 |
| 21826 | Paradigm Energy-Mississippi, LLC | | Oil Operator | Apr 2025 |
| 21827 | Paradigm Exploration Company | Dallas, TX 75214 | Oil Operator | Sep 2020 |
| 21828 | Paradigm Exploration, L.P. | La Grange, TX 78945 | Oil Operator | Sep 2008 |
| 21829 | Paradigm Petroleum Corporation | Abilene, TX 79605 | Oil & Gas Operator | Jun 2025 |
| 21830 | Paradigm Twenty LLC | Stillwater, OK 74074-1745 | Oil & Gas Operator | Mar 2025 |
| 21831 | Paradis Investments, L.L.C. | Bellaire, TX 77401 | Oil Operator | Jun 2020 |
| 21832 | Paradise Creek Oil & Gas | Plainville, KS 67663 | Oil Operator | Dec 2024 |
| 21833 | Paradox Petroleum Company | Amarillo, TX 79114-7587 | Oil & Gas Operator | Dec 1998 |
| 21834 | Paradox Upstream, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 21835 | Paragon Corporation | Abilene, TX 79604 | Oil & Gas Operator | Jun 2025 |
| 21836 | Paragon Energy Co | Columbus, OH 43214 | Oil & Gas Operator | Dec 1989 |
| 21837 | Paragon Energy, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Jun 2025 |
| 21838 | Paragon Industries Inc | Sapulpa, OK 74066-6987 | Oil Operator | Mar 2025 |
| 21839 | Paragon Oil & Gas, LLC | Aledo, TX 76008 | Oil & Gas Operator | Jun 2025 |
| 21840 | Paragon Oil Co | | Oil & Gas Operator | Oct 1991 |
| 21841 | Paragon Production Company | Edmond, OK 73013-5051 | Oil & Gas Operator | Feb 2021 |
| 21842 | Paragon Resources, Inc | | Oil & Gas Operator | Nov 1991 |
| 21843 | Paragon Trading Co., LLC | | Oil Operator | Dec 2009 |
| 21844 | Parallel Energy LP | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2015 |
| 21845 | Parallel Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Jan 2010 |
| 21846 | Parallel Petroleum LLC | Midland, TX 79702 | Oil & Gas Operator | Jun 2025 |
| 21847 | Paramore Oil Company | Duncan, OK 73533 | Oil & Gas Operator | Apr 2022 |
| 21848 | Paramount Enterprises Inc | Hays, KS 67601 | Oil Operator | Aug 2000 |
| 21849 | Paramount Petroleum Corp | Dallas, TX 75374 | Oil Operator | Dec 2000 |
| 21850 | Paramount Producing, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Oct 1996 |
| 21851 | Parapetroleum | Kerrville, TX 78028 | Oil & Gas Operator | Feb 1997 |
| 21852 | Parawon Operating LLC | Mobile, AL 36602 | Oil Operator | Oct 2011 |
| 21853 | Pardee Production Co. | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2021 |
| 21854 | Pardue Energy Inc. | Dallas, TX 75230 | Oil & Gas Operator | Dec 2015 |
| 21855 | Pardue Oil | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2006 |
| 21856 | Pardue Oil, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 21857 | Pardue, William M., III | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 1996 |
| 21858 | Pardus Oil & Gas Operating, LP | Tulsa, OK 74114 | Oil & Gas Operator | Apr 2022 |
| 21859 | Parham Edith | Beggs, OK 74421-2436 | Oil Operator | Oct 2024 |
| 21860 | Paris Valley Petroleum | | Oil Operator | Dec 2004 |
| 21861 | Parish Operating LLC | | Oil Operator | Oct 2024 |
| 21862 | Parish Petroleum Company | Tulsa, OK 74137 | Oil & Gas Operator | Feb 2025 |
| 21863 | Parish, John R. | Andrews, TX 79714 | Oil & Gas Operator | Jun 2025 |
| 21864 | Park & Park Oil Co. | Allen, TX 75002 | Oil & Gas Operator | Jun 2025 |
| 21865 | Park Avenue Exploration Corp | Oklahoma City, OK 73102-5604 | Oil & Gas Operator | Sep 2011 |
| 21866 | Park Avenue Resources, Inc. | San Antonio, TX 78212 | Oil Operator | Jun 2025 |
| 21867 | Park Exploration Inc | | Oil & Gas Operator | Nov 2012 |
| 21868 | Park Kenneth Y | Skiatook, OK 74070-6060 | Oil & Gas Operator | Mar 2025 |
| 21869 | Park Oil Properties LLC | Plano, TX 75025 | Oil Operator | Oct 2019 |
| 21870 | Park Robert E | | Oil Operator | May 1983 |
| 21871 | Park William M | Sperry, OK 74073 | Oil & Gas Operator | Mar 2025 |
| 21872 | Parker & Parker Oil & Gas Inc | Los Lunas, NM 87031 | Oil & Gas Operator | Jul 2017 |
| 21873 | Parker & Parsley | | Oil & Gas Operator | Dec 1996 |
| 21874 | Parker & Parsley Acq. Group LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2002 |
| 21875 | Parker & Parsley Dev Co | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 21876 | Parker & Parsley Dev LP | Irving, TX 75039-3745 | Oil & Gas Operator | Mar 2015 |
| 21877 | Parker & Parsley Development Co. | Midland, TX 79702 | Oil & Gas Operator | May 1995 |
| 21878 | Parker & Parsley Development L.P | Midland, TX 79702 | Oil & Gas Operator | Oct 2007 |
| 21879 | Parker & Parsley Devpt L P | | Oil & Gas Operator | Oct 1997 |
| 21880 | Parker & Parsley Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2000 |
| 21881 | Parker & Parsley Petroleum Co. | | Oil & Gas Operator | Dec 1990 |
| 21882 | Parker & Parsley Producing LP | Midland, TX 79702 | Oil & Gas Operator | Oct 1997 |
| 21883 | Parker & Parsley, Wpi Agent | Midland, TX 79701 | Oil & Gas Operator | Oct 1997 |
| 21884 | Parker Energy Company | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 21885 | Parker Energy Tech Inc | Salt Lake City, UT 84171 | Oil Operator | Nov 2013 |
| 21886 | Parker Enterprises, Inc. | | Oil & Gas Operator | Jun 1999 |
| 21887 | Parker Gas Company | | Oil & Gas Operator | Aug 2020 |
| 21888 | Parker Hannifin Corporation | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 21889 | Parker James A | Sand Springs, OK 74063 | Oil & Gas Operator | Mar 2025 |
| 21890 | Parker Joe | Talala, OK 74080-3556 | Oil & Gas Operator | Dec 2012 |
| 21891 | Parker Oil Company | Abilene, TX 79601 | Oil & Gas Operator | Feb 2024 |
| 21892 | Parker Operating Co., Inc. | Aledo, TX 76008 | Oil & Gas Operator | Sep 2000 |
| 21893 | Parker Shirley M | Tulsa, OK 74136 | Oil Operator | Jun 2013 |
| 21894 | Parker Trucking And Assoc. | Independence, MO 64052 | Oil Operator | Aug 1996 |
| 21895 | Parker, Robert Production, Inc. | Alice, TX 78333 | Gas Operator | Nov 1996 |
| 21896 | Parkinsol Oil Company | Seminole, OK 74868-1648 | Oil & Gas Operator | Oct 2014 |
| 21897 | Parklan Oil | | Oil Operator | Dec 2016 |
| 21898 | Parko Oil | Los Lunas, NM 87031 | Oil & Gas Operator | Jul 2017 |
| 21899 | Parks Bill M | Seminole, OK 74818-1648 | Oil & Gas Operator | Apr 2014 |
| 21900 | Parks Jack Concrete Co | Hominy, OK 74035 | Oil Operator | Mar 2025 |