| 2101 | PVR Gas Processing LLC | Irving, TN 75039 | Oil & Gas Operator | Feb 2015 |
| 2102 | PWR Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Feb 2025 |
| 2103 | PXP Gulf Coast Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 2104 | PXP Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2004 |
| 2105 | PXP Louisiana L.L.C. | | Oil & Gas Operator | Nov 2010 |
| 2106 | PXP Texas Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2007 |
| 2107 | Pybas Robert | Wanette, OK 74878 | Oil Operator | Apr 2014 |
| 2108 | Pyle Petroleum | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 1996 |
| 2109 | Pyle Petroleum, Inc. | Tyler, TX 75703 | Oil & Gas Operator | Feb 2025 |
| 2110 | Pyote Disposal Company | Pyote, TX 79777 | Oil Operator | Feb 2025 |
| 2111 | Pyramid Corporat | | Oil & Gas Operator | Aug 1995 |
| 2112 | Pyramid Energy Inc | San Antonio, TX 78216 | Oil & Gas Operator | Feb 2012 |
| 2113 | Pyramid Enterprises | Muenster, TX 76252 | Oil & Gas Operator | Feb 2025 |
| 2114 | Pyramid Exploration | Houston, TX 77241 | Oil & Gas Operator | Sep 1995 |
| 2115 | Pyramid Gas Co | Midland, TX 79707 | Oil Operator | Feb 2025 |
| 2116 | Pyramid Oil & Ga | | Oil & Gas Operator | Sep 1987 |
| 2117 | Pyramid Oil Co. | Litchfield PK, AZ 85340 | Oil & Gas Operator | Jan 2018 |
| 2118 | Pyramid Oil Of America, Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Nov 2024 |
| 2119 | Pyramid Petroleum, Inc. | | Oil & Gas Operator | May 1992 |
| 2120 | Pyramid Petroleum, Inc.-La Div | | Oil Operator | Jun 1997 |
| 2121 | Pyramid Production Co. | Abilene, TX 79608 | Oil & Gas Operator | Jun 1994 |
| 2122 | Pyro Energy Corp | Kingwood, TX 77339-2102 | Oil & Gas Operator | Mar 1998 |
| 2123 | Pywell Venture A | | Oil Operator | Apr 1988 |