| 25901 | Roberts Zetau J Fisk | Moore, OK 73160 | Oil & Gas Operator | Sep 1993 |
| 25902 | Roberts, Charles J. | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 25903 | Roberts, Harry S &/Or McKinley Ray | Paintsville, KY 41240 | Oil & Gas Operator | Dec 2019 |
| 25904 | Roberts, Oliver M | | Oil & Gas Operator | Dec 2021 |
| 25905 | Roberts, Randy | Sedan, KS 67361 | Oil & Gas Operator | Sep 2025 |
| 25906 | Roberts, Robert S. Dba K & R Operating Co. | | Gas Operator | Dec 2021 |
| 25907 | Robertson Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 25908 | Robertson Farms, LLC | Calhoun, KY 42327 | Oil Operator | Dec 2023 |
| 25909 | Robertson Jay Estate | Tulsa, OK 74127-3029 | Oil & Gas Operator | Jul 2013 |
| 25910 | Robertson Johnie J | Okmulgee, OK 74447-8765 | Oil & Gas Operator | Nov 2025 |
| 25911 | Robertson Resources, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Feb 2026 |
| 25912 | Robertson* Dexter | | Gas Operator | Dec 2018 |
| 25913 | Robertson, David | Bowling Green, KY 42103 | Oil Operator | Dec 2023 |
| 25914 | Robertson, French M. Oil Co. | Abilene, TX 79608 | Oil & Gas Operator | Mar 1995 |
| 25915 | Robertson, Gene Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 1998 |
| 25916 | Robertson, Richard | Tulsa, OK 74127 | Gas Operator | Sep 2025 |
| 25917 | Robertson, T. L. Operating Co. | Cross Plains, TX 76443 | Oil & Gas Operator | May 2004 |
| 25918 | Robertson-Bryce Management, LLC | Tyler, TX 75701 | Oil & Gas Operator | Feb 2026 |
| 25919 | Robie A. Bridges III | | Oil Operator | Aug 1993 |
| 25920 | Robin Of Perryton Corporation | Perryton, TX 79070 | Oil & Gas Operator | Feb 2026 |
| 25921 | Robin Of Perryton, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Dec 1995 |
| 25922 | Robin, Jack, Co. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Dec 2017 |
| 25923 | Robinett Resources Inc. | Longview, TX 75601 | Oil & Gas Operator | Dec 1999 |
| 25924 | Robinette Oil Company LLC | Chanute, KS 66720 | Oil Operator | Sep 2025 |
| 25925 | Robinowitz Oil C | | Oil Operator | Dec 1996 |
| 25926 | Robinowitz Oil Company | Tulsa, OK 74136-1429 | Oil & Gas Operator | Feb 2023 |
| 25927 | Robinowitz Oil Company, A General Partnership | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2023 |
| 25928 | Robinson Brothers Drilling Co | | Oil & Gas Operator | Jul 2002 |
| 25929 | Robinson Drilling Of Texas | Big Spring, TX 79721 | Oil & Gas Operator | Oct 1996 |
| 25930 | Robinson Energy & Exploration, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Aug 2008 |
| 25931 | Robinson Engineering & Oil Company, Inc | Evansville, IN 47716 | Oil & Gas Operator | Dec 2022 |
| 25932 | Robinson Oil & Gas, Inc. | Chico, TX 76431 | Oil & Gas Operator | Aug 2003 |
| 25933 | Robinson Oil Co. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 25934 | Robinson Oil Com | | Oil & Gas Operator | Feb 1995 |
| 25935 | Robinson Oil Company, LLC | Billings, MT 59103 | Gas Operator | Dec 2015 |
| 25936 | Robinson Oil Inc | Eunice, NM 88231 | Oil & Gas Operator | Jun 2015 |
| 25937 | Robinson Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Aug 2012 |
| 25938 | Robinson Resource Dev. Co.Inc. | | Oil & Gas Operator | Oct 1982 |
| 25939 | Robinson Tracy D | Duncan, OK 73534 | Oil Operator | Oct 2018 |
| 25940 | Robinson, Beryl A. | Peru, KS 67360 | Oil & Gas Operator | Mar 2012 |
| 25941 | Robinson, Gary D | | Oil Operator | Nov 2025 |
| 25942 | Robinson, Irvin | Abilene, TX 79608 | Oil & Gas Operator | May 1999 |
| 25943 | Robison, J. H. & Assoc. LTD. | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Apr 1996 |
| 25944 | Robison, L. E. Oil | Yates Center, KS 66783 | Oil Operator | Sep 2001 |
| 25945 | Robl-Six, Inc. | Ellinwood, KS 67526 | Oil Operator | Dec 2019 |
| 25946 | Roblyn Oil Inc | Allen, OK 74825-6933 | Oil & Gas Operator | Apr 2025 |
| 25947 | Roblyn Petroleum Corp. | | Oil & Gas Operator | May 1983 |
| 25948 | Robson & Shults Prod Corp | Mannford, OK 74044 | Oil & Gas Operator | Jun 1995 |
| 25949 | Robson Petroleum Company | Tulsa, OK 74104 | Oil & Gas Operator | Jan 1995 |
| 25950 | Robson Resources Inc | Tulsa, OK 74104 | Oil & Gas Operator | May 1998 |
| 25951 | Robuck Petroleum, LLC | Nacogdoches, TX 75965 | Oil & Gas Operator | Feb 2026 |
| 25952 | Roc Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Feb 2013 |
| 25953 | Roc Operating, Inc. | Plano, TX 75093 | Oil & Gas Operator | Oct 2008 |
| 25954 | Roca Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 25955 | Roca Production, Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Feb 2026 |
| 25956 | Roca Resource Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 25957 | Rocanville Corporation | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 25958 | Rocc Oil & Gas, L.P. | Houston, TX 77084 | Oil & Gas Operator | Apr 2024 |
| 25959 | Rocc Operating, LLC | Houston, TX 77084 | Oil & Gas Operator | Feb 2026 |
| 25960 | Roche, E. Michael | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 25961 | Rochelle Oil & Gas | Gillette, WY 82717 | Oil & Gas Operator | Mar 2024 |
| 25962 | Rochez, Mary B. | East Amherst, NY 14051 | Gas Operator | Dec 2024 |
| 25963 | Rocinante | Houston, TX 77058 | Oil Operator | Feb 2026 |
| 25964 | Rock Bottom Oil LLC | | Oil Operator | Dec 2024 |
| 25965 | Rock Bottom Oil, GP, L.L.C. | Nacogdoches, TX 75963 | Oil & Gas Operator | Feb 2026 |
| 25966 | Rock Creek Crude, LLC | Morrill, KS 66515 | Oil Operator | Sep 2025 |
| 25967 | Rock Creek Energy Co | Ada, OK 74820-5725 | Oil Operator | Jul 2022 |
| 25968 | Rock Creek Oil Co. | Iowa Park, TX 76367 | Oil Operator | Mar 2008 |
| 25969 | Rock Creek Oil, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Nov 2019 |
| 25970 | Rock Creek Resources LLC | Englewood, CO 80112 | Oil & Gas Operator | Dec 2021 |
| 25971 | Rock Energy Operating Company | | Oil & Gas Operator | Nov 2008 |
| 25972 | Rock Energy Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Feb 2026 |
| 25973 | Rock Energy, Inc. | | Oil & Gas Operator | Sep 1992 |
| 25974 | Rock Fish Operating LLC | McKinney, TX 75070 | Oil & Gas Operator | Feb 2026 |
| 25975 | Rock Hill Operating | Burkburnett, TX 76354 | Oil & Gas Operator | Feb 2026 |
| 25976 | Rock Oil Company | Broken Arrow, OK 74014-6106 | Oil & Gas Operator | Nov 2025 |
| 25977 | Rock Oil Corporation | Lawrence, KS 66046 | Oil Operator | Oct 2004 |
| 25978 | Rock Oil Resources LLC | Titusville, PA 16354 | Oil Operator | Dec 2025 |
| 25979 | Rock Oil, Inc. | | Oil Operator | Nov 1989 |
| 25980 | Rock Operating | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 25981 | Rock Petroleum, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2025 |
| 25982 | Rock Resources, Inc. | Corpus Chrsti, TX 78414 | Oil & Gas Operator | Feb 2026 |
| 25983 | Rock River Operating Inc | Laramie, WY 82070 | Oil & Gas Operator | Nov 2025 |
| 25984 | Rock Solid Operating, LLC | Southlake, TX 76092 | Oil Operator | Sep 2021 |
| 25985 | Rock Well Petroleum (U.S.), Inc. | Canada, 00100 | Oil & Gas Operator | Sep 2014 |
| 25986 | Rockbridge Oil & Gas | Houston, TX 77027 | Oil & Gas Operator | Mar 1990 |
| 25987 | Rockbridge Oil And Gas, Inc. | Houston, TX 77227 | Oil & Gas Operator | Nov 1997 |
| 25988 | Rockcliff Energy Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 25989 | Rockcliff Operating La LLC | | Oil & Gas Operator | Jul 2022 |
| 25990 | Rockcliff Operating New Mexico LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2018 |
| 25991 | Rockdale Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2020 |
| 25992 | Rockdale Marcellus LLC | Canonsburg, PA 15317 | Gas Operator | Apr 2022 |
| 25993 | Rockdale Resources Corporation | Houston, TX 77024 | Oil Operator | Jul 2016 |
| 25994 | Rockefeller Hughes (USA) LLC | Houston, TX 77027 | Oil & Gas Operator | Jul 2015 |
| 25995 | Rocker A Operating Company | Post, TX 79356 | Oil & Gas Operator | Aug 2022 |
| 25996 | Rocker B Production, L.L.C. | Graham, TX 76450 | Gas Operator | Aug 2025 |
| 25997 | Rocket Energy Corporation | Muskogee, OK 74402-1665 | Oil & Gas Operator | Dec 2003 |
| 25998 | Rocket Oil Company | Duncan, OK 73534 | Oil & Gas Operator | Apr 2015 |
| 25999 | Rockford CBM LLC | Tulsa, OK 74103-4335 | Oil & Gas Operator | Jan 2013 |
| 26000 | Rockford Energy Partners II, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2007 |