| 22901 | Pinnacle Operating Company LLC | Tulsa, OK 74137 | Oil & Gas Operator | Mar 2025 |
| 22902 | Pinnacle Operating Company, Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Jun 2025 |
| 22903 | Pinon Corporation | San Antonio, TX 78266 | Oil & Gas Operator | Jul 2001 |
| 22904 | Pinon Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 22905 | Pinon Petroleum, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Apr 2004 |
| 22906 | Pintail Minerals Corp. | | Gas Operator | Jun 1992 |
| 22907 | Pintail Oil & Gas, LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 22908 | Pintail Petroleu | | Oil & Gas Operator | Dec 1995 |
| 22909 | Pintail Petroleum Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jun 2010 |
| 22910 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2021 |
| 22911 | Pintail Production Co., Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | Jun 2025 |
| 22912 | Pintex Operating Inc. | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Feb 2005 |
| 22913 | Pinto Petroleum | Wichita, KS 67211 | Oil Operator | Nov 2001 |
| 22914 | Pinzok, Michael & Linda | Ripley, NY 14775 | Gas Operator | Dec 2023 |
| 22915 | Pioneer Drilling Co | Payne, OH 45880 | Oil & Gas Operator | Dec 1993 |
| 22916 | Pioneer Energy Corporation | Dallas, TX 75204 | Oil & Gas Operator | Jun 2025 |
| 22917 | Pioneer Exploration Company | Houston, TX 77090 | Oil & Gas Operator | Apr 2025 |
| 22918 | Pioneer Exploration, LLC | Houston, TX 77090 | Oil & Gas Operator | Apr 2025 |
| 22919 | Pioneer Exploration, LTD. | Houston, TX 77090 | Oil & Gas Operator | Sep 2008 |
| 22920 | Pioneer Feedyard, LLC | Oakley, KS 67748 | Oil Operator | Feb 2025 |
| 22921 | Pioneer Gas Pipeline, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Jun 2025 |
| 22922 | Pioneer Natural Res. (GPC), Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1998 |
| 22923 | Pioneer Natural Res. USA, Inc. | Irving, TX 75038 | Oil & Gas Operator | Jun 2025 |
| 22924 | Pioneer Natural Resources Alaska Inc. | | Oil & Gas Operator | Jul 2014 |
| 22925 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Feb 2025 |
| 22926 | Pioneer Of Oklahoma LP | Houston, TX 77090-3655 | Oil & Gas Operator | Jan 2025 |
| 22927 | Pioneer Oil & Gas | South Jordan, UT 84095 | Oil & Gas Operator | Jan 2014 |
| 22928 | Pioneer Oil Company, Inc. | Vincennes, IN 47501 | Oil & Gas Operator | Feb 2025 |
| 22929 | Pioneer Operatio | | Oil & Gas Operator | Mar 1986 |
| 22930 | Pioneer Operations, LLC | Hays, KS 67601 | Oil Operator | Feb 2025 |
| 22931 | Pioneer Prod. Corp. | | Oil & Gas Operator | Jun 1986 |
| 22932 | Pioneer Production Corp-Huggs | | Oil & Gas Operator | Jun 1986 |
| 22933 | Pioneer Prospect LLP | Sioux Falls, SD 57108 | Gas Operator | Dec 2023 |
| 22934 | Pioneer Resources Inc. | Phillipsburg, KS 67661 | Oil & Gas Operator | Oct 2020 |
| 22935 | Pioneer Resources Prod LP | Irving, TX 75039-3745 | Oil & Gas Operator | Feb 2005 |
| 22936 | Pioneer Resources Producing, L.P | Irving, TX 75039 | Oil & Gas Operator | Feb 2001 |
| 22937 | Pioneer Trucking, LLC | | Oil Operator | Apr 2025 |
| 22938 | Pipeline Holdings, Inc | | Gas Operator | Dec 2012 |
| 22939 | Pipeline Management, Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2002 |
| 22940 | Pipeline Oil & Gas, LLC | Phoenix, AZ 85016 | Oil Operator | Feb 2014 |
| 22941 | Piper Operating LLC | Stigler, OK 74462 | Oil & Gas Operator | Apr 2025 |
| 22942 | Pipes Pursie E | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2014 |
| 22943 | Piqua Petro, Inc. | Piqua, KS 66761 | Oil Operator | Feb 2025 |
| 22944 | Piqua Petroleum | | Oil Operator | Dec 1996 |
| 22945 | Pistol Ridge Partners, LLC | | Oil & Gas Operator | Apr 2025 |
| 22946 | Pita Oil & Gas, LLC | | Oil Operator | Jul 2004 |
| 22947 | Pitchfork Investments, LLC | Amarillo, TX 79109 | Oil & Gas Operator | Jun 2025 |
| 22948 | Pitchfork Oil & Gas, Inc. | Orchard, TX 77464 | Oil & Gas Operator | Jun 2025 |
| 22949 | Pitco Investments, LTD. | Scottsdale, AZ 85261 | Oil & Gas Operator | Jan 2013 |
| 22950 | Pitco Production Company | Tulsa, OK 74170-2320 | Oil & Gas Operator | May 2013 |
| 22951 | Pitcock, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 22952 | Pitman Creek, Inc. | Burlington, IA 52601 | Oil Operator | Dec 1992 |
| 22953 | Pitman John | | Oil & Gas Operator | Jan 1992 |
| 22954 | Pitman, John Douglas Revocable Trust | Oklahoma City, OK 73118 | Oil Operator | Jan 2025 |
| 22955 | Pitman, John Estate (Deceased) | Oklahoma City, OK 73104 | Oil Operator | May 2000 |
| 22956 | Pittencrieff (Gulf Coast), Inc. | Abilene, TX 79608 | Oil & Gas Operator | Sep 1998 |
| 22957 | Pittencrieff America Inc | Abilene, TX 79608 | Oil & Gas Operator | Feb 2003 |
| 22958 | Pittman Kenneth | | Oil Operator | Mar 1995 |
| 22959 | Pittman, Joe N. | | Oil & Gas Operator | Apr 1985 |
| 22960 | Pittman-Allen Operating LLC | Oklahoma City, OK 73122-1105 | Gas Operator | Feb 2016 |
| 22961 | Pitts Energy Co. | Midland, TX 79707 | Oil & Gas Operator | Jun 2025 |
| 22962 | Pitts Oil Co-Dallas Prod Inc | | Oil & Gas Operator | Jun 1991 |
| 22963 | Pitts, Charles Company | Abilene, TX 79604 | Oil & Gas Operator | Dec 1997 |
| 22964 | Pitts, W. C. | | Oil Operator | Jan 1988 |
| 22965 | Pivonka Investments LLC | | Oil & Gas Operator | Apr 2025 |
| 22966 | Pixley Carlis D | Marlow, OK 73055 | Oil & Gas Operator | Sep 1999 |
| 22967 | PK Gath & Oilfield SVCS, Inc. | Cleburne, TX 76031 | Oil & Gas Operator | Jun 2025 |
| 22968 | PK Petroleum LLC | Pampa, TX 79065 | Oil & Gas Operator | Jun 2025 |
| 22969 | PKS Energy Savers Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 1994 |
| 22970 | Place Oil And Gas Co. | Eastland, TX 76448 | Oil & Gas Operator | Jun 2025 |
| 22971 | Place, Steve | El Dorado, KS 67042 | Oil Operator | Dec 2019 |
| 22972 | Placer Oil Co. | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2008 |
| 22973 | Placid Oil Co., Et Al | | Oil & Gas Operator | Jun 1983 |
| 22974 | Placid Oil Company | Houston, TX 77227 | Oil & Gas Operator | Mar 2008 |
| 22975 | Placid Operating, LLC | Dallas, TX 75230 | Oil & Gas Operator | Jul 2021 |
| 22976 | Plains Exploration & Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Jul 2013 |
| 22977 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 22978 | Plains Oil & Gas | Cushing, OK 74023-4819 | Oil & Gas Operator | Jan 2019 |
| 22979 | Plains Oil Compa | | Oil & Gas Operator | Aug 1988 |
| 22980 | Plains Petroleum | | Gas Operator | Dec 1996 |
| 22981 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 22982 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 22983 | Plains Radio Pet Co | Midland, TX 79703 | Oil & Gas Operator | Apr 2023 |
| 22984 | Plains Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Jul 2008 |
| 22985 | Plainsmen Energy LLC | Enid, OK 73703-5747 | Oil & Gas Operator | Apr 2025 |
| 22986 | Planet Associates Inc | Denver, CO 80218 | Oil Operator | Dec 1994 |
| 22987 | Planet Energy, LLC | | Oil & Gas Operator | Dec 2015 |
| 22988 | Planet Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 22989 | Planet Resource Operating, LLC | | Oil & Gas Operator | Nov 2024 |
| 22990 | Planetierra Three Partnership | Sunray, TX 79086 | Oil & Gas Operator | Jun 2025 |
| 22991 | Plano Corp. | | Oil & Gas Operator | Mar 2005 |
| 22992 | Plano Petroleum | | Oil & Gas Operator | Dec 1994 |
| 22993 | Plano Petroleum Corporation | McKinney, TX 75070 | Oil & Gas Operator | Feb 2025 |
| 22994 | Plano Petroleum LLC | Plano, TX 75093-8773 | Oil & Gas Operator | Apr 2013 |
| 22995 | Plantation Oil Company | | Oil Operator | Dec 2006 |
| 22996 | Plantation Operating Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | Jun 2025 |
| 22997 | Plantation Operating, LLC | Houston, TX 77041 | Oil & Gas Operator | Nov 2011 |
| 22998 | Plants & Goodwin Inc | Bradford, PA 16701-3733 | Oil & Gas Operator | Dec 2018 |
| 22999 | Plateau Energy, LLC | Smyer, TX 79367 | Oil & Gas Operator | Dec 2023 |
| 23000 | Plateau Operating Corporation | Nashville, TN 37205 | Gas Operator | Feb 2025 |