| 22901 | Pelican Production Company | New Orleans, LA 70130-2477 | Oil & Gas Operator | Mar 2014 |
| 22902 | Pelican Resource | | Oil Operator | Jan 1991 |
| 22903 | Pelico Pipeline, LLC | | Oil Operator | Dec 2024 |
| 22904 | Pelletter, James J & Weist, Richard M | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 22905 | Pelto Oil Company | Houston, TX 77002 | Oil & Gas Operator | Nov 1998 |
| 22906 | Pemberton, W. C. Oil Co., Inc. | Cameron, TX 76520 | Oil & Gas Operator | Feb 2026 |
| 22907 | Pembroke Central School District | Corfu, NY 14036 | Gas Operator | Dec 2024 |
| 22908 | Pembrook Oil Company | Big Lake, TX 76932 | Oil & Gas Operator | May 1999 |
| 22909 | Pembrooke Oil & Gas Inc | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2025 |
| 22910 | Pemco Gas Inc | Indian Harbor B, FL 32937 | Oil & Gas Operator | Dec 1997 |
| 22911 | Pemco LLC | Skiatook, OK 74070 | Oil Operator | Nov 2025 |
| 22912 | Pemex Inc | Dallas, TX 75367-0249 | Oil & Gas Operator | Nov 2015 |
| 22913 | Pen-Tex Production Co. Inc. | Penwell, TX 79776 | Oil & Gas Operator | Feb 2026 |
| 22914 | Pen-Tex Production Co. L.L.C. | Penwell, TX 79776 | Oil & Gas Operator | Nov 1998 |
| 22915 | Pend Oreille Oil & Gas Company | | Oil & Gas Operator | Sep 1989 |
| 22916 | Pendergraft Oil Co. | Lueders, TX 79533 | Oil & Gas Operator | Jan 1998 |
| 22917 | Pendleton Land & | | Oil Operator | Aug 1985 |
| 22918 | Pendolino Resources, LLC | Dallas, TX 75205 | Gas Operator | Mar 2023 |
| 22919 | Pendragon Energy Partners Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2009 |
| 22920 | Pendragon Oil Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Feb 2026 |
| 22921 | Pendulum Petrole | | Oil & Gas Operator | Dec 1995 |
| 22922 | Pendulum Petroleum, Inc. | Pinedale, WY 82941 | Oil Operator | Aug 1999 |
| 22923 | Penequine Ranch | | Gas Operator | Sep 2019 |
| 22924 | Penergy | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 22925 | Pengo Petroleum Inc | | Oil & Gas Operator | Dec 2013 |
| 22926 | Pengo Petroleum, Inc. & J.W.S. | | Oil & Gas Operator | Jul 1977 |
| 22927 | Pengo Producing Company | | Oil & Gas Operator | Mar 1987 |
| 22928 | Peninsula Group Inc | Peninsula, OH 44264 | Oil & Gas Operator | Dec 1991 |
| 22929 | Peninsula Open Space Trust | | Oil & Gas Operator | Dec 2008 |
| 22930 | Peninsular Oil & Gas Co | Ada, MI 49301 | Oil & Gas Operator | Dec 2001 |
| 22931 | Penn Exploration Corp. | | Gas Operator | Feb 1984 |
| 22932 | Penn Homa Oil & Gas Co | Edmond, OK 73083 | Oil & Gas Operator | Oct 2013 |
| 22933 | Penn Inc. | | Oil & Gas Operator | Dec 2004 |
| 22934 | Penn Jersey Oil & Gas Associates | | Oil & Gas Operator | Sep 2016 |
| 22935 | Penn Production Company Inc | | Oil & Gas Operator | Nov 2014 |
| 22936 | Penn Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Sep 1987 |
| 22937 | Penn VIew Exploration Inc | Blairsville, PA 15717-7961 | Oil & Gas Operator | Dec 2025 |
| 22938 | Penn VIrginia MC Operating Co LLC | Houston, TX 77084-7213 | Oil & Gas Operator | Sep 2025 |
| 22939 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 22940 | Penn VIrginia Oil & Gas, L.P. | Houston, TX 77084 | Oil & Gas Operator | Nov 2022 |
| 22941 | Penn, G. R. Production Co. | McPherson, KS 67460 | Gas Operator | Nov 1997 |
| 22942 | Penn-Ohio Investment Corp. | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2004 |
| 22943 | Pennaco Energy Incorporated | Gillette, WY 82718 | Oil & Gas Operator | Feb 2021 |
| 22944 | Pennant Dev. And Prod., LLC | Midland, TX 79702 | Oil Operator | Feb 2026 |
| 22945 | Pennant Energy LLC | Oklahoma City, OK 73116 | Oil Operator | Dec 2024 |
| 22946 | Pennant Oil & Gas LLC | Oklahma City, OK 73159-6905 | Oil & Gas Operator | Jan 2024 |
| 22947 | Pennant Petroleum Corporation | | Oil Operator | Dec 2002 |
| 22948 | Pennartz Productions, LLC. | Jacksboro, TX 76458 | Oil Operator | Feb 2026 |
| 22949 | Penneco Exploration Company Of Wyo LLC | Delmont, PA 15626 | Oil Operator | Aug 2021 |
| 22950 | Penneco Oil Company, Inc. | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2025 |
| 22951 | Pennenergy Resources LLC | Pittsburgh, PA 15275-1063 | Oil & Gas Operator | Dec 2025 |
| 22952 | Penner Energy Inc | Oklahoma City, OK 73120-1930 | Oil & Gas Operator | Dec 2025 |
| 22953 | Pennfield Energy LLC | Erie, PA 16510-4760 | Oil & Gas Operator | Dec 2021 |
| 22954 | Pennhills Resources LLC | MT. Jewett, PA 16740 | Oil & Gas Operator | Dec 2025 |
| 22955 | Pennine Resc Inc | | Oil Operator | Sep 1992 |
| 22956 | Pennington Oil & Gas Int, LLC | | Oil & Gas Operator | Dec 2024 |
| 22957 | Pennington Operating Company, LLC | | Oil & Gas Operator | Jul 2020 |
| 22958 | Pennington, W. L., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1996 |
| 22959 | Pennmark Resources Company | Edmond, OK 73013 | Oil & Gas Operator | Nov 2025 |
| 22960 | Penntex Petroleum Corporation | Austin, TX 78731 | Oil & Gas Operator | Feb 2026 |
| 22961 | Penntex Resources, L.P. | State College, PA 16803 | Oil & Gas Operator | Mar 2016 |
| 22962 | Penny, Ralph E. | White Plains, NY 10601 | Oil & Gas Operator | Jul 2023 |
| 22963 | Pennzenergy | Houston, TX 77252 | Oil & Gas Operator | Dec 1986 |
| 22964 | Pennzenergy Exp. & Prod., L.L.C. | Houston, TX 77210 | Oil & Gas Operator | Mar 2000 |
| 22965 | Pennzenergy Explor & Prod LLC | | Oil & Gas Operator | Dec 1999 |
| 22966 | Pennzenergy Exploration And Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2009 |
| 22967 | Pennzoil Company | Midland, TX 79710-0090 | Oil & Gas Operator | Mar 2000 |
| 22968 | Pennzoil E & P & M H Marr | | Oil & Gas Operator | Sep 1993 |
| 22969 | Pennzoil E & P Co - Arco | | Oil & Gas Operator | Dec 1993 |
| 22970 | Pennzoil E & P Co - Clark Oil | | Oil & Gas Operator | Apr 1980 |
| 22971 | Pennzoil E & P Co Et Al | | Oil & Gas Operator | Feb 1999 |
| 22972 | Pennzoil E & P Co-Sohio Et Al | | Oil & Gas Operator | Jun 1991 |
| 22973 | Pennzoil E & P Co-Sohio Petr | | Oil & Gas Operator | Feb 1999 |
| 22974 | Pennzoil Expl & Prod Co -TX | | Oil & Gas Operator | May 1993 |
| 22975 | Pennzoil Expl & Prod Co. -MS | | Oil Operator | Jan 1988 |
| 22976 | Pennzoil Explor & Prod Co | Houston, TX 77002 | Oil & Gas Operator | Mar 2000 |
| 22977 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 22978 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 22979 | Pennzoil Prod Co | Vienna, WV 26105-2141 | Oil & Gas Operator | Dec 2000 |
| 22980 | Pennzoil Producing Company | | Oil & Gas Operator | Oct 1992 |
| 22981 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Dec 2025 |
| 22982 | Penrod Oil Company Of Texas, Inc | Milano, TX 76556 | Oil & Gas Operator | Feb 2026 |
| 22983 | Pense Brothers Drilling | | Oil Operator | Dec 1998 |
| 22984 | Pentad Development Corp. (A) | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 22985 | Pentagon Exploration | | Oil & Gas Operator | Dec 1991 |
| 22986 | Pentagon Petroleum, Inc. | | Oil & Gas Operator | Sep 1991 |
| 22987 | Pentarch Petroleum | | Oil Operator | Dec 2025 |
| 22988 | Pentergy Operating, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Feb 2026 |
| 22989 | Pentex Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 22990 | Pentex Operating Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 1994 |
| 22991 | Penton And Penton | | Oil & Gas Operator | Jan 1983 |
| 22992 | Pentress Gas LLC | Pentress, WV 26544 | Gas Operator | Dec 2021 |
| 22993 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 22994 | Penwell South Operating LLC | Houston, TX 77269 | Oil & Gas Operator | Feb 2026 |
| 22995 | Peoco LLC | | Gas Operator | Nov 2025 |
| 22996 | Peoples Bank & Trust Company | McPherson, KS 67460 | Oil Operator | Jan 2013 |
| 22997 | Peoples Energy Prod.-TX, L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2007 |
| 22998 | Peoples Energy Production-Texas, L.P. | Houston, TX 77010 | Oil & Gas Operator | Oct 2007 |
| 22999 | Peoples Gas Co LLC | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2005 |
| 23000 | Peoples Natural Gas Co LLC | Pittsburgh, PA 15212 | Gas Operator | Dec 2016 |