| 23801 | R.C.Bertolet & Serio Expl Co | | Oil & Gas Operator | Nov 1992 |
| 23802 | R.C.I. Energy | Alice, TX 78333 | Oil & Gas Operator | Jul 2025 |
| 23803 | R.C.S. Oil, Inc. | Valier, MT 59486 | Oil Operator | Feb 2025 |
| 23804 | R.C.Taylor Companies, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2019 |
| 23805 | R.Chisum, Jr. & L. Shepherd | | Oil & Gas Operator | Nov 2001 |
| 23806 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Jul 2025 |
| 23807 | R.E. McDowell & Dave Gammill | | Oil Operator | May 1978 |
| 23808 | R.E.D. Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Apr 2004 |
| 23809 | R.E.French Oil Company, L.L.C. | Gridley, KS 66852 | Oil Operator | Nov 1999 |
| 23810 | R.E.J.A.S. Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2025 |
| 23811 | R.H.S. Oil Company | | Oil Operator | Nov 2009 |
| 23812 | R.J. Patrick Operating Co. | | Oil & Gas Operator | Jun 2006 |
| 23813 | R.J. Riley Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 23814 | R.K.G. Operations, Inc. | Odessa, TX 79760 | Oil & Gas Operator | Jun 2004 |
| 23815 | R.P.Wilson, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Jan 2011 |
| 23816 | R.S. Glaze Drilling | | Oil Operator | Jan 1998 |
| 23817 | R.T. Enterprises Of Kansas, Inc. | Louisburg, KS 66053 | Oil Operator | Mar 2025 |
| 23818 | R.T.C. Resources, L.P. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 23819 | R/C Holdings, Inc. | | Oil & Gas Operator | Dec 1991 |
| 23820 | R2Q Operating LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Jul 2025 |
| 23821 | R360 Environmental Solutions Of La, LLC | | Oil Operator | Jan 2025 |
| 23822 | R360 Oklahoma LLC | The Woodlands, TX 77381 | Oil Operator | Jul 2021 |
| 23823 | Ra-Jac LLC | Norman, OK 73072 | Oil & Gas Operator | May 2025 |
| 23824 | Raak-Wilson Properties | | Oil & Gas Operator | Dec 1999 |
| 23825 | Rab Oil & Gas LLC | Garrettsville, OH 44231 | Oil & Gas Operator | Dec 2024 |
| 23826 | Rabalais Oil And Gas, Inc. | | Oil & Gas Operator | Sep 2023 |
| 23827 | Rabalais, F.W. Inc. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2023 |
| 23828 | Rabb Contracting Company, L.L.C. | | Oil Operator | Nov 2024 |
| 23829 | Rabb Resources, Limited | | Oil Operator | Dec 2002 |
| 23830 | Rabbitt C Michael | Chicora, PA 16025-1916 | Oil & Gas Operator | Dec 2015 |
| 23831 | Rabco Energy | Amarillo, TX 79120 | Oil & Gas Operator | Apr 2025 |
| 23832 | Rabun Resources | | Gas Operator | Jan 2025 |
| 23833 | Rabwin Oil & Gas, Inc. | | Oil & Gas Operator | Nov 1991 |
| 23834 | Rachael Exploration Corp | Traverse City, MI 49686 | Oil & Gas Operator | Apr 2001 |
| 23835 | Rackley Oil & Gas, LLC | Balko, OK 73931 | Oil & Gas Operator | Apr 2025 |
| 23836 | Rad Oil Company | Snyder, TX 79549 | Oil & Gas Operator | Jul 2025 |
| 23837 | Radco Energy LLC | | Oil Operator | Jan 2025 |
| 23838 | Radco Operations | Sourlake, TX 77659 | Oil Operator | Nov 2002 |
| 23839 | Radco Operations, L.P. | Sourlake, TX 77659 | Oil Operator | Jul 2025 |
| 23840 | Rader Oil Compan | | Oil Operator | May 1987 |
| 23841 | Rader Oil Company | | Oil Operator | Mar 2025 |
| 23842 | Rader, Louis C. | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 23843 | Radford Dale | Konawa, OK 74849 | Oil & Gas Operator | Nov 2024 |
| 23844 | Radiant Oil & Gas Operating Company, Inc | | Oil & Gas Operator | Aug 2015 |
| 23845 | Radius Energy Services, LLC | Montevallo, AL 35115 | Oil & Gas Operator | Dec 2021 |
| 23846 | Radius Operating, LLC | Round Rock, TX 78664 | Oil & Gas Operator | Jul 2025 |
| 23847 | Radke Oil Co., Inc. | | Oil Operator | May 2001 |
| 23848 | Radley Children Trust | El Campo, TX 77437 | Gas Operator | Jul 2007 |
| 23849 | Radley Electric, Inc. | Sourlake, TX 77659 | Oil & Gas Operator | Oct 2001 |
| 23850 | Radley Equipment | Sourlake, TX 77659 | Oil & Gas Operator | May 2000 |
| 23851 | Radley, R. R. | Sourlake, TX 77659 | Oil & Gas Operator | Mar 2008 |
| 23852 | Radley, Terry R., Operator | Sourlake, TX 77659 | Oil & Gas Operator | Apr 2006 |
| 23853 | Radtke, D.E. & Associates, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2004 |
| 23854 | Radzewicz & Assoc-R.C.Bertolet | | Oil Operator | Oct 1985 |
| 23855 | Radzewicz Expl. & DRLG. Corp. | | Oil & Gas Operator | Mar 2011 |
| 23856 | Radzewicz Operating Corp. | | Oil & Gas Operator | Oct 2017 |
| 23857 | Rael Resources LLC | Cowley, WY 82420 | Oil Operator | May 2025 |
| 23858 | Raelee Oil LLC | Plainville, KS 67663 | Oil Operator | Jul 2021 |
| 23859 | Raf Oil Company | Oklahoma City, OK 73120-1944 | Oil & Gas Operator | Jul 2013 |
| 23860 | Rafter H Operating LLC | El Reno, OK 73036 | Oil & Gas Operator | Apr 2025 |
| 23861 | Rafter L Resources, LLC | Bulverde, TX 78163 | Oil Operator | Jul 2025 |
| 23862 | Rafter T Resources LLC | Midland, TX 79705 | Oil & Gas Operator | Jul 2025 |
| 23863 | Ragars Oil & Gas Co. | Austin, TX 78716 | Oil & Gas Operator | Jul 2025 |
| 23864 | Ragnar Exploration, LLC | | Oil & Gas Operator | May 2025 |
| 23865 | Ragsco LLC | Charleston, WV 25314 | Oil & Gas Operator | Dec 2021 |
| 23866 | Rahm Oil Company | Enid, OK 73703 | Oil & Gas Operator | Mar 2011 |
| 23867 | Rahmco Oil And Gas Co Inc | Ponca City, OK 74604-5155 | Oil & Gas Operator | Jan 2013 |
| 23868 | Raida, Junior V. | Neodesha, KS 66757 | Oil Operator | Jul 2013 |
| 23869 | Raider Oil & Gas Company | MC Camey, TX 79752 | Oil & Gas Operator | Jul 2025 |
| 23870 | Railroad Commission Of Texas | Austin, TX 78701 | Oil Operator | Dec 2004 |
| 23871 | Rainbo Service Company | Oklahoma City, OK 73129 | Oil & Gas Operator | Apr 2025 |
| 23872 | Rainbow End Ranch | Okemah, OK 74859-9733 | Oil & Gas Operator | Apr 2020 |
| 23873 | Rainbow Energy Corporation | Midland, TX 79701 | Oil & Gas Operator | Nov 2002 |
| 23874 | Rainbow Energy Inc | | Oil & Gas Operator | Jul 2024 |
| 23875 | Rainbow Oil & Gas | Pawhuska, OK 74056-0056 | Oil Operator | Oct 2010 |
| 23876 | Rainbow Oil & Gas LLC | Coolville, OH 45723 | Oil & Gas Operator | Dec 2024 |
| 23877 | Rainbow Oil And Gas Inc | | Oil & Gas Operator | Jun 2016 |
| 23878 | Rainbow Oil Company | | Oil & Gas Operator | Aug 1999 |
| 23879 | Rainbow Oilwell Service Inc | Depew, OK 74028 | Oil & Gas Operator | Jul 2024 |
| 23880 | Rainbow Producing Company | Dallas, TX 75204 | Oil & Gas Operator | Aug 2003 |
| 23881 | Rainbow Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2007 |
| 23882 | Rainbow Seven Oil & Gas, Inc. | Ranger, TX 76470 | Oil & Gas Operator | Jul 2025 |
| 23883 | Rainer Energy, Inc. | Weatherford, TX 76086 | Oil & Gas Operator | Jul 2025 |
| 23884 | Rainey, Wayne | Sweetwater, TX 79556 | Oil & Gas Operator | Feb 2019 |
| 23885 | Rainmaker Oil & Gas Corp | Oklahoma City, OK 73112-8883 | Oil & Gas Operator | Apr 2015 |
| 23886 | Rains & Williams | | Oil & Gas Operator | Nov 1995 |
| 23887 | Rains And Williamson Oil Co. | Wichita, KS 67277 | Oil & Gas Operator | Mar 2025 |
| 23888 | Rainwater A L | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2013 |
| 23889 | Rainwater, John | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 23890 | Raisa II Operating LLC | | Oil & Gas Operator | Mar 2017 |
| 23891 | Raizen Oil Company | Velma, OK 73091 | Oil & Gas Operator | Feb 2016 |
| 23892 | Raizen Oil LLC | Duncan, OK 73533-4657 | Oil & Gas Operator | Nov 2003 |
| 23893 | Rajoil Inc. | Vernon, TX 76384 | Oil & Gas Operator | Aug 2003 |
| 23894 | Raker Resources LLC | Houston, TX 77042 | Oil & Gas Operator | Jul 2025 |
| 23895 | Rakestraw Bros., L.L.C | El Dorado, KS 67042 | Oil & Gas Operator | Dec 2019 |
| 23896 | Rako Operating Company | Fayetteville, AR 72701 | Oil & Gas Operator | Apr 2025 |
| 23897 | Ralph C Bruton | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2007 |
| 23898 | Ralph Dawson | | Oil Operator | Nov 2005 |
| 23899 | Ralph E Shorts Drilling | Polk, OH 44866 | Oil & Gas Operator | Dec 2024 |
| 23900 | Ralph E Williamson | San Antonio, TX 78239 | Oil & Gas Operator | Dec 2013 |