| 24901 | Robert-Gay Energ | | Oil & Gas Operator | Jun 1992 |
| 24902 | Robert-Gay Energy Enterprises | Hutchinson, KS 67501 | Oil Operator | Nov 1999 |
| 24903 | Roberta Hutton/Robert Hutton | Iola, KS 66749 | Oil Operator | Oct 2007 |
| 24904 | Roberts & Bunch Resources | | Oil & Gas Operator | Dec 1993 |
| 24905 | Roberts & Hammack, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Nov 2025 |
| 24906 | Roberts & Murphy | | Oil & Gas Operator | Sep 1995 |
| 24907 | Roberts & Murphy, Inc. | Shreveport, LA 71137 | Oil & Gas Operator | Apr 2016 |
| 24908 | Roberts & Roberts Enterprise,Inc | Levelland, TX 79336 | Oil & Gas Operator | Jun 1996 |
| 24909 | Roberts Brothers | | Oil Operator | Oct 1993 |
| 24910 | Roberts Herman | Henderson, NV 89014 | Oil Operator | Jul 2023 |
| 24911 | Roberts Oil Corp. | | Oil & Gas Operator | Sep 1982 |
| 24912 | Roberts Resources, Inc. | Wichita, KS 67275 | Oil & Gas Operator | Jun 2025 |
| 24913 | Roberts Zetau J Fisk | Moore, OK 73160 | Oil & Gas Operator | Sep 1993 |
| 24914 | Roberts, Charles J. | Alden, NY 14004 | Gas Operator | Dec 2024 |
| 24915 | Roberts, Harry S &/Or McKinley Ray | Paintsville, KY 41240 | Oil & Gas Operator | Dec 2019 |
| 24916 | Roberts, Jeffrey L | Glenville, WV 26351-0000 | Gas Operator | Dec 2021 |
| 24917 | Roberts, Oliver M | | Oil & Gas Operator | Dec 2021 |
| 24918 | Roberts, Randy | Sedan, KS 67361 | Oil & Gas Operator | Jun 2025 |
| 24919 | Roberts, Robert S. Dba K & R Operating Co. | | Gas Operator | Dec 2021 |
| 24920 | Roberts, Wayne & Janet | | Oil & Gas Operator | Dec 2021 |
| 24921 | Robertson Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 24922 | Robertson Farms, LLC | Calhoun, KY 42327 | Oil Operator | Dec 2023 |
| 24923 | Robertson Jay Estate | Tulsa, OK 74127-3029 | Oil & Gas Operator | Jul 2013 |
| 24924 | Robertson Johnie J | Okmulgee, OK 74447-8765 | Oil & Gas Operator | Jul 2025 |
| 24925 | Robertson Resources, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Nov 2025 |
| 24926 | Robertson* Dexter | | Gas Operator | Dec 2018 |
| 24927 | Robertson, David | Bowling Green, KY 42103 | Oil Operator | Dec 2023 |
| 24928 | Robertson, French M. Oil Co. | Abilene, TX 79608 | Oil & Gas Operator | Mar 1995 |
| 24929 | Robertson, Gene Oil Co. | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 1998 |
| 24930 | Robertson, Richard | Tulsa, OK 74127 | Gas Operator | Jun 2025 |
| 24931 | Robertson, T. L. Operating Co. | Cross Plains, TX 76443 | Oil & Gas Operator | May 2004 |
| 24932 | Robertson-Bryce Management, LLC | Tyler, TX 75701 | Oil & Gas Operator | Nov 2025 |
| 24933 | Robie A. Bridges III | | Oil Operator | Aug 1993 |
| 24934 | Robin Of Perryton Corporation | Perryton, TX 79070 | Oil & Gas Operator | Nov 2025 |
| 24935 | Robin Of Perryton, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Dec 1995 |
| 24936 | Robin, Jack, Co. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Dec 2017 |
| 24937 | Robinett Resources Inc. | Longview, TX 75601 | Oil & Gas Operator | Dec 1999 |
| 24938 | Robinette Oil Company LLC | Chanute, KS 66720 | Oil Operator | Jun 2025 |
| 24939 | Robinowitz Oil C | | Oil Operator | Dec 1996 |
| 24940 | Robinowitz Oil Company | Tulsa, OK 74136-1429 | Oil & Gas Operator | Feb 2023 |
| 24941 | Robinowitz Oil Company, A General Partnership | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2023 |
| 24942 | Robinson Brothers Drilling Co | | Oil & Gas Operator | Jul 2002 |
| 24943 | Robinson Drilling Of Texas | Big Spring, TX 79721 | Oil & Gas Operator | Oct 1996 |
| 24944 | Robinson Energy & Exploration, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Aug 2008 |
| 24945 | Robinson Engineering & Oil Company, Inc | Evansville, IN 47716 | Oil & Gas Operator | Dec 2022 |
| 24946 | Robinson Oil & Gas, Inc. | Chico, TX 76431 | Oil & Gas Operator | Aug 2003 |
| 24947 | Robinson Oil Co. | Graham, TX 76450 | Oil & Gas Operator | Nov 2025 |
| 24948 | Robinson Oil Com | | Oil & Gas Operator | Feb 1995 |
| 24949 | Robinson Oil Company, LLC | Billings, MT 59103 | Gas Operator | Dec 2015 |
| 24950 | Robinson Oil Inc | Eunice, NM 88231 | Oil & Gas Operator | Jun 2015 |
| 24951 | Robinson Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Aug 2012 |
| 24952 | Robinson Resource Dev. Co.Inc. | | Oil & Gas Operator | Oct 1982 |
| 24953 | Robinson Tracy D | Duncan, OK 73534 | Oil Operator | Oct 2018 |
| 24954 | Robinson, Beryl A. | Peru, KS 67360 | Oil & Gas Operator | Mar 2012 |
| 24955 | Robinson, Gary D | | Oil Operator | Feb 2025 |
| 24956 | Robinson, Irvin | Abilene, TX 79608 | Oil & Gas Operator | May 1999 |
| 24957 | Robison, J. H. & Assoc. LTD. | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Apr 1996 |
| 24958 | Robison, L. E. Oil | Yates Center, KS 66783 | Oil Operator | Sep 2001 |
| 24959 | Robl-Six, Inc. | Ellinwood, KS 67526 | Oil Operator | Dec 2019 |
| 24960 | Roblyn Oil Inc | Allen, OK 74825-6933 | Oil & Gas Operator | Apr 2025 |
| 24961 | Roblyn Petroleum Corp. | | Oil & Gas Operator | May 1983 |
| 24962 | Robson & Shults Prod Corp | Mannford, OK 74044 | Oil & Gas Operator | Jun 1995 |
| 24963 | Robson Petroleum Company | Tulsa, OK 74104 | Oil & Gas Operator | Jan 1995 |
| 24964 | Robson Resources Inc | Tulsa, OK 74104 | Oil & Gas Operator | May 1998 |
| 24965 | Robuck Petroleum, LLC | Nacogdoches, TX 75965 | Oil & Gas Operator | Nov 2025 |
| 24966 | Roc Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Feb 2013 |
| 24967 | Roc Operating, Inc. | Plano, TX 75093 | Oil & Gas Operator | Oct 2008 |
| 24968 | Roca Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2025 |
| 24969 | Roca Production, Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2025 |
| 24970 | Roca Resource Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 24971 | Rocanville Corporation | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 24972 | Rocc Oil & Gas, L.P. | Houston, TX 77084 | Oil & Gas Operator | Apr 2024 |
| 24973 | Rocc Operating, LLC | Houston, TX 77084 | Oil & Gas Operator | Nov 2025 |
| 24974 | Roche, E. Michael | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 24975 | Rochelle Oil & Gas | Gillette, WY 82717 | Oil & Gas Operator | Mar 2024 |
| 24976 | Rochez, Mary B. | East Amherst, NY 14051 | Gas Operator | Dec 2024 |
| 24977 | Rocinante | Houston, TX 77058 | Oil Operator | Nov 2025 |
| 24978 | Rock Bottom Oil LLC | | Oil Operator | Dec 2024 |
| 24979 | Rock Bottom Oil, GP, L.L.C. | Nacogdoches, TX 75963 | Oil & Gas Operator | Nov 2025 |
| 24980 | Rock Creek Crude, LLC | Morrill, KS 66515 | Oil Operator | Jun 2025 |
| 24981 | Rock Creek Energy Co | Ada, OK 74820-5725 | Oil Operator | Jul 2022 |
| 24982 | Rock Creek Oil Co. | Iowa Park, TX 76367 | Oil Operator | Mar 2008 |
| 24983 | Rock Creek Oil, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Nov 2019 |
| 24984 | Rock Creek Resources LLC | Englewood, CO 80112 | Oil & Gas Operator | Dec 2021 |
| 24985 | Rock Energy Operating Company | | Oil & Gas Operator | Nov 2008 |
| 24986 | Rock Energy Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Nov 2025 |
| 24987 | Rock Energy, Inc. | | Oil & Gas Operator | Sep 1992 |
| 24988 | Rock Fish Operating LLC | McKinney, TX 75070 | Oil & Gas Operator | Nov 2025 |
| 24989 | Rock Hill Operating | Burkburnett, TX 76354 | Oil & Gas Operator | Nov 2025 |
| 24990 | Rock Oil Company | Broken Arrow, OK 74014-6106 | Oil & Gas Operator | Jun 2025 |
| 24991 | Rock Oil Corporation | Lawrence, KS 66046 | Oil Operator | Oct 2004 |
| 24992 | Rock Oil, Inc. | | Oil Operator | Nov 1989 |
| 24993 | Rock Operating | Abilene, TX 79608 | Oil & Gas Operator | Nov 2025 |
| 24994 | Rock Petroleum, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2024 |
| 24995 | Rock Resources, Inc. | Corpus Chrsti, TX 78414 | Oil & Gas Operator | Nov 2025 |
| 24996 | Rock River Operating Inc | Laramie, WY 82070 | Oil & Gas Operator | Aug 2025 |
| 24997 | Rock Solid Operating, LLC | Southlake, TX 76092 | Oil Operator | Sep 2021 |
| 24998 | Rock Well Petroleum (U.S.), Inc. | Canada, 00100 | Oil & Gas Operator | Sep 2014 |
| 24999 | Rockbridge Oil & Gas | Houston, TX 77027 | Oil & Gas Operator | Mar 1990 |
| 25000 | Rockbridge Oil And Gas, Inc. | Houston, TX 77227 | Oil & Gas Operator | Nov 1997 |