| 901 | Pennzenergy Exploration & Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2009 |
| 902 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Jan 2024 |
| 903 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
| 904 | Peoples Energy Production-Texas, L.P. | Houston, TX 77010 | Oil & Gas Operator | Oct 2007 |
| 905 | Percussion Petroleum Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2019 |
| 906 | Permex Petroleum Company, LLC | Dallas, TX 75201 | Oil & Gas Operator | Feb 2024 |
| 907 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 908 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 909 | Permok Oil Inc | Shawnee Mission, KS 662082110 | Oil & Gas Operator | Feb 2013 |
| 910 | Pete Mills | Midland, TX 79707 | Oil & Gas Operator | Oct 2012 |
| 911 | Petro Energy Inc | Farmington, NM 87499 | Oil & Gas Operator | Jan 2024 |
| 912 | Petro Mex, LLC | Farmington, NM 87499 | Oil & Gas Operator | Feb 2024 |
| 913 | Petrocorp Incorporated | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2021 |
| 914 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 915 | Petroleum Exploration Company LTD., Limited P | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2024 |
| 916 | Petroleum Production Management, Inc. | Shawnee Mission, KS 66202 | Oil & Gas Operator | Nov 2021 |
| 917 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 918 | Petrolia Energy Corporation | Houston, TX 77024 | Oil Operator | Jan 2024 |
| 919 | Phillips Petroleum Co NW | Farmington, NM 87401 | Oil & Gas Operator | Dec 2002 |
| 920 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 921 | Phoenix Distributing Corp. | Marlboro, NJ 07746 | Oil & Gas Operator | Mar 2003 |
| 922 | Phoenix Hydrocarbons Operating Corp | Midland, TX 79705 | Oil & Gas Operator | Oct 2022 |
| 923 | PHX Energy, LLC | Artesia, NM 882110990 | Oil & Gas Operator | Feb 2024 |
| 924 | Pierce Production Company, LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 925 | Pima Energy, LLC | Knott, TX 79748 | Oil & Gas Operator | Apr 2024 |
| 926 | Pinon Petroleum, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Apr 2004 |
| 927 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Dec 2023 |
| 928 | Pioneer Resources Producing, L.P | Irving, TX 75039 | Oil & Gas Operator | Feb 2001 |
| 929 | Pitts Energy Co. | Midland, TX 79707 | Oil & Gas Operator | Apr 2024 |
| 930 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 931 | Plains Radio Pet Co | Midland, TX 79703 | Oil & Gas Operator | Apr 2023 |
| 932 | Plantation Operating, LLC | Houston, TX 77041 | Oil & Gas Operator | Nov 2011 |
| 933 | Platinum Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 934 | Platinum Oil Properties, LLC | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Aug 2006 |
| 935 | Playa Minerals & Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Nov 2003 |
| 936 | PNL Operating, LLC | Casper, WY 82602 | Gas Operator | Dec 2022 |
| 937 | Poco Resources LLC | Artesia, NM 88210 | Oil & Gas Operator | Oct 2022 |
| 938 | Pogo Oil & Gas Operating, Inc | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2019 |
| 939 | Pogo Producing Company | Houston, TX 77002 | Oil & Gas Operator | Jan 2008 |
| 940 | Pogo Producing Company LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
| 941 | Polaris Production Corp. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 942 | Ponderosa Petroleum Corporation | Alto, NM 88312 | Oil & Gas Operator | Dec 2017 |
| 943 | Pontotoc Oil Corp. | Midland, TX 79702 | Oil & Gas Operator | Feb 1996 |
| 944 | PPC Operating Company LLC | Houston, TX 77279 | Oil & Gas Operator | Jul 2019 |
| 945 | Prairie Sun,Inc. | Roswell, NM 88201 | Oil & Gas Operator | Jun 2003 |
| 946 | Premier Natural Resources, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2024 |
| 947 | Premier Oil & Gas Inc | Richardson, TX 75083 | Oil & Gas Operator | Jan 2024 |
| 948 | Preston Exploration LLC | Spring, TX 77387 | Oil & Gas Operator | Dec 2014 |
| 949 | Pride Energy Company | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2024 |
| 950 | Prima Exploration, Inc. | Denver, CO 80206 | Oil & Gas Operator | Feb 2024 |
| 951 | Primal Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2024 |
| 952 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
| 953 | Primero Operating, Inc. | Roswell, NM 88202 | Oil & Gas Operator | Jun 2022 |
| 954 | Primexx Operating Corporation | Dallas, TX 75206 | Oil & Gas Operator | Dec 2023 |
| 955 | Priority Energy LLC | Summerland, CA 93067 | Oil & Gas Operator | Apr 2016 |
| 956 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 957 | Pro NM Energy Inc | Santa Fe, NM 87508 | Oil & Gas Operator | Oct 2015 |
| 958 | Probity Operating, LLC | Midland, TX 79708 | Oil & Gas Operator | Jul 2014 |
| 959 | Producing Royalties Inc | Lubbock, TX BADADDR | Gas Operator | Aug 2004 |
| 960 | Pronghorn Management Corporation | Hobbs, NM 88241 | Oil & Gas Operator | Apr 2024 |
| 961 | Prospective Investment And Trading Co (The) | Tulsa, OK 741702320 | Oil & Gas Operator | Jun 2005 |
| 962 | Proven Petroleum, Inc. | Lakewood, CO 80228 | Oil & Gas Operator | Feb 2024 |
| 963 | Providence Energy Servs Inc.-Kelton Op Corp | Andrews, TX 79714 | Oil & Gas Operator | Feb 2024 |
| 964 | Psa Producers | Hobbs, NM 88241 | Oil & Gas Operator | Jun 1995 |
| 965 | Pueblo Petroleum Inc | Roswell, NM 88202 | Oil & Gas Operator | Feb 1997 |
| 966 | Pumpjak Oil Company, LLC | Weatherford, TX 76088 | Oil & Gas Operator | Jun 2018 |
| 967 | Pure Energy Operating, Inc. | Dallas, TX 75235 | Oil & Gas Operator | Jul 2012 |
| 968 | Pure Resources, L.P. | Midland, TX 79701 | Oil & Gas Operator | Mar 2006 |
| 969 | Purvis Oil Corp | Midland, TX 79702 | Oil & Gas Operator | Jul 1994 |
| 970 | Purvis Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 971 | PXP Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2004 |
| 972 | Pyramid Energy Inc | San Antonio, TX 78216 | Oil & Gas Operator | Feb 2012 |
| 973 | Qep Energy Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2023 |
| 974 | Quality Production Corp | Hobbs, NM BADADDR | Oil Operator | Jan 2002 |
| 975 | Quantum Resources Management LLC | Houston, TX 77010 | Oil & Gas Operator | Dec 2023 |
| 976 | Quatro Osos E&P, LLC | Roswell, NM 88202 | Oil Operator | Feb 2024 |
| 977 | Quay Valley, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2007 |
| 978 | Queen Sand Operating Co. | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 979 | Quintana Petroleum Services Inc | Houston, TX 77253 | Gas Operator | Apr 1996 |
| 980 | R & G Drilling Co Inc | Farmington, NM 87499 | Oil & Gas Operator | Apr 1995 |
| 981 | R & M Energy | Gonzales, TX 78629 | Oil & Gas Operator | Mar 2006 |
| 982 | R & M Oil, LLC | Loco Hills, NM 882550011 | Oil & Gas Operator | Jan 2024 |
| 983 | R C Bennett Co | Midland, TX 79702 | Oil & Gas Operator | Jan 2019 |
| 984 | R E Sitta Jr | Farmington, NM 874991230 | Oil & Gas Operator | Aug 2011 |
| 985 | R J Enterprises | Farmington, NM 874990051 | Oil Operator | Mar 2021 |
| 986 | R S E Partners-I LP | Oklahoma City, OK 731025261 | Oil & Gas Operator | Feb 2000 |
| 987 | Rachael Exploration Corp | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2001 |
| 988 | Ralph C Bruton | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2007 |
| 989 | Ralph E Williamson | San Antonio, TX 78239 | Oil & Gas Operator | Dec 2013 |
| 990 | Ram Energy LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2024 |
| 991 | Rand Oil & Gas Inc. | Midland, TX BAD ADDR | Oil & Gas Operator | Apr 1996 |
| 992 | Rand Paulson Energy Company | Houston, TX 77040 | Oil & Gas Operator | Oct 1999 |
| 993 | Range Operating New Mexico Inc | Tulsa, OK 74135 | Oil & Gas Operator | Mar 2004 |
| 994 | Range Operating New Mexico LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2013 |
| 995 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 996 | Ranger 40 Petroleum, LLC | Fairfield, CT 06824 | Oil & Gas Operator | Apr 2024 |
| 997 | Raptor Resources, Inc. | Austin, TX 78701 | Oil & Gas Operator | Apr 2024 |
| 998 | Raven Operating Group, Inc. | Sedalia, CO 80135 | Oil & Gas Operator | Dec 2010 |
| 999 | Raw Oil & Gas, Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Apr 2024 |
| 1000 | Ray A Pierce | Midland, TX 79702 | Oil & Gas Operator | Dec 2023 |