| 801 | Petro-Mac Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2024 |
| 802 | Petro-Management Assoc., Inc. | Edmond, OK 73083-2346 | Oil & Gas Operator | Jun 2007 |
| 803 | Petrojen Production Company Inc | Bakersfield, CA 93311 | Oil Operator | Dec 2024 |
| 804 | Petroleum Capital, L.C. | Dallas, TX 75367 | Oil & Gas Operator | Mar 2025 |
| 805 | Petroleum Explo Prod Inc | Oilton, OK 74052 | Oil & Gas Operator | Jan 2017 |
| 806 | Petroleum Management Prof Inc | Oklahoma City, OK 73120-1848 | Oil & Gas Operator | Apr 2009 |
| 807 | Petroleum Production MGMT., Inc. | Kansas City, MO 64112 | Oil & Gas Operator | Mar 2025 |
| 808 | Petrolia Energy Corporation | Pearland, TX 77581 | Oil Operator | Jan 2024 |
| 809 | Petromark Resources Company | Tulsa, OK 74136 | Oil & Gas Operator | Sep 1993 |
| 810 | Petron Energy Inc | Dallas, TX 75252 | Oil & Gas Operator | Mar 2025 |
| 811 | Phase III Drilling Inc | Wetumka, OK 74883-0333 | Oil & Gas Operator | Dec 2024 |
| 812 | Pilgrim & Smith Inc | Tulsa, OK 74152 | Oil & Gas Operator | Apr 2015 |
| 813 | Pinnacle Corporation (The) | Broken Arrow, OK 74012 | Oil & Gas Operator | Nov 2014 |
| 814 | Pinnacle Exploration & Production Co | Kiefer, OK 74041 | Oil & Gas Operator | Dec 2024 |
| 815 | Pinnacle Operating Company LLC | Tulsa, OK 74137 | Oil & Gas Operator | Dec 2024 |
| 816 | Plains Liquids Transport Inc | Houston, TX 77002 | Oil & Gas Operator | May 1996 |
| 817 | Plains Marketing & Trans Inc | Houston, TX 76002 | Oil & Gas Operator | Oct 1998 |
| 818 | Plains Oil & Gas | Cushing, OK 74023-4819 | Oil & Gas Operator | Jan 2019 |
| 819 | PMD Oil Recovery LLC | Oklahoma City, OK 73129-5241 | Oil & Gas Operator | Jan 2025 |
| 820 | Pole Cat Oil Company | Sapulpa, OK 74067 | Oil Operator | Dec 2024 |
| 821 | Pollard Jr G W | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2015 |
| 822 | Ponder Oil Producers LLC | Kellyville, OK 74039 | Oil & Gas Operator | Nov 2024 |
| 823 | Pool, Lloyd Operating | Sandia Park, NM 87047 | Gas Operator | Dec 2013 |
| 824 | Pope Ted & Karen Dba MP Operating | Bristow, OK 74010 | Oil Operator | Jan 2025 |
| 825 | Portfolio Oil Corporation | Oklahoma City, OK 73119 | Oil & Gas Operator | May 2013 |
| 826 | Potter Hammill & Potter Inc. | Beggs, OK 74421-0038 | Oil Operator | Aug 2013 |
| 827 | Pound Robert M | Bristow, OK 74010 | Oil & Gas Operator | Sep 2014 |
| 828 | Powell Jess L | Sapulpa, OK 74066 | Oil & Gas Operator | Dec 2024 |
| 829 | PRDJ Cockrum Enterprises Inc | Okemah, OK 74859-5126 | Oil & Gas Operator | Mar 2022 |
| 830 | Price J R Inc | Addington, OK 73520-0099 | Oil & Gas Operator | Apr 2015 |
| 831 | Producers Oil Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2007 |
| 832 | Proex Energy Management, L.L.C. | Spring, TX 77386 | Oil & Gas Operator | Mar 2025 |
| 833 | Prosperous Oil & Gas Inc | Okmulgee, OK 74447 | Oil & Gas Operator | Dec 2024 |
| 834 | Proven Reserves Management, Inc. | Dallas, TX 75370 | Oil & Gas Operator | Jan 2025 |
| 835 | Pryor, VIctor W., Jr. | Holdenville, OK 74848 | Oil & Gas Operator | Apr 2017 |
| 836 | Pulliam Dennis L | Mannford, OK 74044-9733 | Oil & Gas Operator | Nov 2001 |
| 837 | Pulliam Ken D | Bristow, OK 74010-8648 | Oil & Gas Operator | Feb 2012 |
| 838 | Pulliam Melvin | Mannford, OK 74044 | Oil & Gas Operator | Jul 2019 |
| 839 | Puma Petroleum Corporation | Tulsa, OK 74152-0129 | Oil Operator | Feb 2004 |
| 840 | Pure Oil Co | | Oil & Gas Operator | Dec 1996 |
| 841 | Quad Operating Company | Bulverde, TX 78163 | Oil & Gas Operator | Dec 2024 |
| 842 | Quanah Company | Tulsa, OK 74159-0469 | Oil & Gas Operator | May 2020 |
| 843 | Quarles Drilling Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2008 |
| 844 | Quinton Rental & Repair Serv Inc | Quinton, OK 74561-0432 | Oil & Gas Operator | Mar 2015 |
| 845 | R & D Oil & Gas | Exeter, CA 93221-9697 | Oil & Gas Operator | Aug 2019 |
| 846 | R D T Properties | Tulsa, OK 74105-7122 | Oil & Gas Operator | Sep 2017 |
| 847 | R E C Tulsa Corporation | Oklahoma City, OK 73107 | Oil & Gas Operator | Apr 2014 |
| 848 | R&R Production Company, LLC | Tulsa, OK 74137 | Oil & Gas Operator | Dec 2024 |
| 849 | Rahmco Oil And Gas Co Inc | Ponca City, OK 74604-5155 | Oil & Gas Operator | Jan 2013 |
| 850 | Rainbow End Ranch | Okemah, OK 74859-9733 | Oil & Gas Operator | Apr 2020 |
| 851 | Rainbow Oilwell Service Inc | Depew, OK 74028 | Oil & Gas Operator | Jul 2024 |
| 852 | Ram Energy LLC | Tulsa, OK 74152 | Oil & Gas Operator | Dec 2024 |
| 853 | Rama Operating Co., Inc. | Stafford, KS 67578 | Oil & Gas Operator | Jan 2025 |
| 854 | Ramey L E SR | Mounds, OK 74047 | Oil Operator | Jan 2000 |
| 855 | Ramey Oil Corporation | Kiefer, OK 74041-0699 | Oil & Gas Operator | Mar 2021 |
| 856 | Ramey Sharp N Glenn SD Unit | Tulsa, OK 74120 | Oil Operator | Nov 1998 |
| 857 | Ramey Wayne | Mounds, OK 74047-0520 | Oil & Gas Operator | Dec 2024 |
| 858 | Rampage Energy Inc | Bristow, OK 74010-6415 | Oil & Gas Operator | Apr 2020 |
| 859 | Randy Inc | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2024 |
| 860 | Raper Brice Oil Company LLC | Yale, OK 74085-6865 | Oil & Gas Operator | Apr 2015 |
| 861 | Ravil Inc | Edmond, OK 73013 | Gas Operator | Nov 1998 |
| 862 | RBC Exploration Company | Tulsa, OK 74114 | Oil & Gas Operator | May 2013 |
| 863 | RCK Oil And Gas LLC | Denton, TX 76207-6803 | Oil & Gas Operator | Dec 2024 |
| 864 | RDH Enterprises, Inc. | El Reno, OK 73036 | Oil & Gas Operator | May 2015 |
| 865 | Red Fork Oil Production Inc | Mannford, OK 74044-0492 | Oil & Gas Operator | Feb 2017 |
| 866 | Red Fork Production, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2024 |
| 867 | Red River Fuels Inc | Bristow, OK 74010-2231 | Oil & Gas Operator | Mar 2008 |
| 868 | Red Stone Resources LLC | Edmond, OK 73013 | Oil Operator | Jun 2023 |
| 869 | Reddy Oil & Gas Corporation | Tulsa, OK 74108-5105 | Oil & Gas Operator | Dec 2024 |
| 870 | Redland Resources, LLC | Oklahoma City, OK 73127 | Oil & Gas Operator | Jan 2025 |
| 871 | Redrock Exploration, Inc | Plano, TX 75025 | Oil Operator | Jul 2014 |
| 872 | Redtail Investments LLC | Oklahoma City, OK 73179 | Oil & Gas Operator | Jan 2025 |
| 873 | Regency Petroleum Inc | Jones, OK 73049-8724 | Oil & Gas Operator | Mar 1999 |
| 874 | Reliable Oil Industries Inc | Tulsa, OK 74133 | Oil & Gas Operator | Jul 2024 |
| 875 | Remco Energy Corporation | Independence, MO 64055 | Oil & Gas Operator | Nov 2009 |
| 876 | Reserve Exploration Co. | Tulsa, OK 74135 | Oil & Gas Operator | Dec 2007 |
| 877 | Reserve Management, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Mar 2025 |
| 878 | Revelation Resources | Cypress, TX 77410-2578 | Oil & Gas Operator | Dec 2024 |
| 879 | Revilo Exploration, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Jul 2021 |
| 880 | Reynolds J W & Associates | Sapulpa, OK 74066 | Oil & Gas Operator | Dec 2000 |
| 881 | Rhoades Oil Co | Tulsa, OK 74136-5575 | Oil & Gas Operator | Aug 2013 |
| 882 | Rhodes-Fielding Corporation | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2024 |
| 883 | Ric Petroleum, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2003 |
| 884 | Richardson Lloyd | | Oil & Gas Operator | Oct 2014 |
| 885 | Richart Oil Company Inc | Oklahoma City, OK 73154-0631 | Oil & Gas Operator | Aug 1995 |
| 886 | Richland Resources Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2025 |
| 887 | Rick Pulliam Oil & Gas Inc | Bristow, OK 74010 | Oil & Gas Operator | Dec 2024 |
| 888 | Rivendell Group LLC | Pebble Beach, CA 93953-1479 | Oil Operator | Sep 2018 |
| 889 | Riviera Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2025 |
| 890 | Roberson, Joe | Vernon, TX 76385 | Oil & Gas Operator | Feb 2015 |
| 891 | Robinowitz Oil Company | Tulsa, OK 74136-1429 | Oil & Gas Operator | Feb 2023 |
| 892 | Robson & Shults Prod Corp | Mannford, OK 74044 | Oil & Gas Operator | Jun 1995 |
| 893 | Rock Oil Company | Broken Arrow, OK 74014-6106 | Oil & Gas Operator | Dec 2024 |
| 894 | Rockbridge Petroleum LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2009 |
| 895 | Rocky Roads Operating LLC | Tulsa, OK 74103-4048 | Oil & Gas Operator | Jan 2025 |
| 896 | Roe Oil Company | Cushing, OK 74023-0086 | Oil & Gas Operator | Jun 2024 |
| 897 | Rogers Jerry L | Cushing, OK 74023-0911 | Oil & Gas Operator | Mar 2017 |
| 898 | Ron & Dan'S Oil LTD | Barnsdall, OK 74002-0628 | Oil & Gas Operator | May 2011 |
| 899 | Rongey Ira E | Sapulpa, OK 74066-9317 | Oil & Gas Operator | May 2013 |
| 900 | Rongey Oil | Jenks, OK 74037-3621 | Oil & Gas Operator | Jan 2013 |