| 21801 | Park William M | Sperry, OK 74073 | Oil & Gas Operator | Jun 2025 |
| 21802 | Parker & Parker Oil & Gas Inc | Los Lunas, NM 87031 | Oil & Gas Operator | Jul 2017 |
| 21803 | Parker & Parsley | | Oil & Gas Operator | Dec 1996 |
| 21804 | Parker & Parsley Acq. Group LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2002 |
| 21805 | Parker & Parsley Dev Co | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
| 21806 | Parker & Parsley Dev LP | Irving, TX 75039-3745 | Oil & Gas Operator | Mar 2015 |
| 21807 | Parker & Parsley Development Co. | Midland, TX 79702 | Oil & Gas Operator | May 1995 |
| 21808 | Parker & Parsley Development L.P | Midland, TX 79702 | Oil & Gas Operator | Oct 2007 |
| 21809 | Parker & Parsley Devpt L P | | Oil & Gas Operator | Oct 1997 |
| 21810 | Parker & Parsley Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Nov 2000 |
| 21811 | Parker & Parsley Petroleum Co. | | Oil & Gas Operator | Dec 1990 |
| 21812 | Parker & Parsley Producing L.P. | Midland, TX 79702 | Oil & Gas Operator | Oct 1997 |
| 21813 | Parker & Parsley, Wpi Agent | Midland, TX 79701 | Oil & Gas Operator | Oct 1997 |
| 21814 | Parker Energy Company | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 21815 | Parker Energy Tech Inc | Salt Lake City, UT 84171 | Oil Operator | Nov 2013 |
| 21816 | Parker Enterprises, Inc. | | Oil & Gas Operator | Jun 1999 |
| 21817 | Parker Gas Company | | Oil & Gas Operator | Aug 2020 |
| 21818 | Parker Hannifin Corporation | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 21819 | Parker James A | Sand Springs, OK 74063 | Oil & Gas Operator | Jun 2025 |
| 21820 | Parker Joe | Talala, OK 74080-3556 | Oil & Gas Operator | Dec 2012 |
| 21821 | Parker Oil Company | Abilene, TX 79601 | Oil & Gas Operator | Feb 2024 |
| 21822 | Parker Operating Co., Inc. | Aledo, TX 76008 | Oil & Gas Operator | Sep 2000 |
| 21823 | Parker Shirley M | Tulsa, OK 74136 | Oil Operator | Jun 2013 |
| 21824 | Parker Trucking And Assoc. | Independence, MO 64052 | Oil Operator | Aug 1996 |
| 21825 | Parker, Robert Production, Inc. | Alice, TX 78333 | Gas Operator | Nov 1996 |
| 21826 | Parkinsol Oil Company | Seminole, OK 74868-1648 | Oil & Gas Operator | Oct 2014 |
| 21827 | Parklan Oil | | Oil Operator | Dec 2016 |
| 21828 | Parko Oil | Los Lunas, NM 87031 | Oil & Gas Operator | Jul 2017 |
| 21829 | Parks Bill M | Seminole, OK 74818-1648 | Oil & Gas Operator | Apr 2014 |
| 21830 | Parks Jack Concrete Co | Hominy, OK 74035 | Oil Operator | Jun 2025 |
| 21831 | Parks James L | Edmond, OK 73034 | Oil & Gas Operator | Aug 2005 |
| 21832 | Parks Tex M Trust | Dallas, TX 75220-3864 | Oil Operator | Aug 2017 |
| 21833 | Parks, Lawrence E | Big Bend, WV 26136-0000 | Oil & Gas Operator | Nov 2013 |
| 21834 | Parks, Rhone Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 21835 | Parkside Pet Of Ohio Inc | Granville, OH 43023 | Oil & Gas Operator | Dec 1987 |
| 21836 | Parkway Petroleum, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Jul 1997 |
| 21837 | Parkwood Production, Inc. | Buna, TX 77612 | Oil Operator | Oct 2025 |
| 21838 | Parlay Oil Company | | Oil Operator | Dec 2002 |
| 21839 | Parmelee, Terrence G. E., Jr. | Chagrin Falls, OH 44023 | Gas Operator | Dec 2024 |
| 21840 | Parmer, I. A. | Abilene, TX 79606 | Oil & Gas Operator | Oct 1993 |
| 21841 | Parnell Operating | Kamay, TX 76369 | Oil & Gas Operator | Oct 2025 |
| 21842 | Parnes Oil Company | | Oil Operator | Jul 1994 |
| 21843 | Paroco DRLG Funds Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 1993 |
| 21844 | Parrish Corporat | | Oil & Gas Operator | Oct 1994 |
| 21845 | Parrish Corporation | Wichita, KS 67202 | Oil & Gas Operator | Jan 2025 |
| 21846 | Parrish Jr W F | Ardmore, OK 73401-2941 | Oil & Gas Operator | Feb 2025 |
| 21847 | Parrish, H Dwane & Rhonda K | Artesia, NM 88210 | Oil & Gas Operator | Apr 2022 |
| 21848 | Parrot Energy Company | Cortland, OH 44410 | Oil & Gas Operator | Dec 2024 |
| 21849 | Parsage Oil Company, L.L.C. | | Oil & Gas Operator | Jun 2025 |
| 21850 | Parsell, R. W. | Whitlash, MT 59545 | Oil & Gas Operator | Jun 2025 |
| 21851 | Parsell, RF Partnership | Bellevue, WA 98004 | Oil Operator | Jul 2025 |
| 21852 | Parsley Energy Operations, LLC | Irving, TX 75038 | Oil & Gas Operator | Jan 2021 |
| 21853 | Parsley, Amos | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2008 |
| 21854 | Parsons Engineering Corporation | Tulsa, OK 74137-7505 | Oil & Gas Operator | Oct 2017 |
| 21855 | Partech Investments LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 21856 | Partee Drilling Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Oct 2025 |
| 21857 | Parten Oil Co. | Houston, TX 77060 | Oil & Gas Operator | Jan 1994 |
| 21858 | Parten Operating Inc. | Houston, TX 77069 | Oil & Gas Operator | Oct 2025 |
| 21859 | Parten, Kenneth N. | St John, KS 67576 | Oil & Gas Operator | May 2009 |
| 21860 | Partin, Charles | Atascosa, TX 78002 | Oil & Gas Operator | Aug 2005 |
| 21861 | Partners In Crude, Inc. | Ponca City, OK 74602 | Oil & Gas Operator | Dec 1997 |
| 21862 | Partners Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Aug 1995 |
| 21863 | Partners Petrole | | Oil Operator | Oct 1992 |
| 21864 | Partners Petroleum Inc | Independence, OH 44131 | Oil & Gas Operator | Dec 1988 |
| 21865 | Partners Production, Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Oct 2025 |
| 21866 | Partyka, Joseph | Forestville, NY 14062 | Gas Operator | Dec 2024 |
| 21867 | Parwest Land Exploration, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Jun 2025 |
| 21868 | Pasadena Oil And Gas Corp | | Oil & Gas Operator | Dec 2001 |
| 21869 | Paschal Petroleum, Inc. | Dallas, TX 75380 | Oil & Gas Operator | Apr 1994 |
| 21870 | Paschal, Phil A. | Kilgore, TX 75662 | Oil Operator | Aug 2021 |
| 21871 | Paschal, Shannon | Kilgore, TX 75663 | Oil Operator | Oct 2025 |
| 21872 | Pasco Oil Company | Oklahoma City, OK 73172-0454 | Oil & Gas Operator | Aug 2000 |
| 21873 | Pash Energy, Inc. | Borger, TX 79008 | Oil & Gas Operator | Oct 2025 |
| 21874 | Pasnik, Joshua | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |
| 21875 | Pasnik, Matthew J., Pasnik, Linda H. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 21876 | Passmore Robert W | Ada, OK 74820-5501 | Oil & Gas Operator | May 2022 |
| 21877 | Passmore, Mike F. | Monahans, TX 79756 | Oil & Gas Operator | Oct 2025 |
| 21878 | Pasture Production Company | Bryan, TX 77808 | Oil & Gas Operator | Apr 2005 |
| 21879 | Patalon Robert E | Erie, PA 16505-0444 | Gas Operator | Dec 2024 |
| 21880 | Patara Andover I LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2014 |
| 21881 | Patara Oil & Gas LLC | Dallas, TX 75219 | Oil & Gas Operator | Mar 2018 |
| 21882 | Patchwork Oil & Gas LLC | Davisville, WV 26142 | Oil & Gas Operator | Dec 2021 |
| 21883 | Patco Investments Inc | Seminole, OK 74868 | Oil Operator | Nov 2007 |
| 21884 | Pate, L. T. | Austin, TX 78701 | Oil & Gas Operator | Aug 1994 |
| 21885 | Pate-Dombaugh Pe | | Oil Operator | Sep 1991 |
| 21886 | Pathex Petroleum, Inc | | Gas Operator | Dec 2013 |
| 21887 | Pathfinder Capital L.C. | Dallas, TX 75219 | Oil Operator | Mar 2008 |
| 21888 | Pathfinder Exploration LLC | Norman, OK 73069-8516 | Gas Operator | Aug 2003 |
| 21889 | Patina Oil & Gas Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2016 |
| 21890 | Patina Oklahoma Corp | Duncan, OK 73533-9523 | Oil & Gas Operator | Nov 2014 |
| 21891 | Patina San Juan Incorporated | Farmington, NM 87402 | Oil & Gas Operator | Dec 2007 |
| 21892 | Patkim Production Inc. | | Oil Operator | Jan 2025 |
| 21893 | Patno Oil & Gas Company | Zapata, TX 78076 | Oil & Gas Operator | Oct 2025 |
| 21894 | Patoil Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Aug 2003 |
| 21895 | Patricia Oil Company | Tuleta, TX 78162 | Oil Operator | Sep 2008 |
| 21896 | Patrick & Hadley | Nocona, TX 76255 | Oil & Gas Operator | Jul 1999 |
| 21897 | Patrick & Vaughn | Oklahoma City, OK 73154 | Oil & Gas Operator | Sep 2005 |
| 21898 | Patrick Development Corporation | Leawood, KS 66206 | Oil Operator | Jun 2025 |
| 21899 | Patrick Exploration Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
| 21900 | Patrick Pet. Corp. Of Michigan | Houston, TX 77227 | Oil & Gas Operator | Aug 1995 |