| 25001 | Rockcliff Energy Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 25002 | Rockcliff Operating La LLC | | Oil & Gas Operator | Jul 2022 |
| 25003 | Rockcliff Operating New Mexico LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2018 |
| 25004 | Rockdale Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2020 |
| 25005 | Rockdale Marcellus LLC | Canonsburg, PA 15317 | Gas Operator | Apr 2022 |
| 25006 | Rockdale Resources Corporation | Houston, TX 77024 | Oil Operator | Jul 2016 |
| 25007 | Rockefeller Hughes (USA) LLC | Houston, TX 77027 | Oil & Gas Operator | Jul 2015 |
| 25008 | Rocker A Operating Company | Post, TX 79356 | Oil & Gas Operator | Aug 2022 |
| 25009 | Rocker B Production, L.L.C. | Graham, TX 76450 | Gas Operator | Aug 2025 |
| 25010 | Rocket Energy Corporation | Muskogee, OK 74402-1665 | Oil & Gas Operator | Dec 2003 |
| 25011 | Rocket Oil Company | Duncan, OK 73534 | Oil & Gas Operator | Apr 2015 |
| 25012 | Rockford CBM LLC | Tulsa, OK 74103-4335 | Oil & Gas Operator | Jan 2013 |
| 25013 | Rockford Energy Partners II, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2007 |
| 25014 | Rockford Energy Partners III,LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2012 |
| 25015 | Rockford Panhandle, LLC | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2008 |
| 25016 | Rockhound Petroleum, LLC | St. John, KS 67576 | Oil & Gas Operator | Jun 2025 |
| 25017 | Rockies Resources Holdings LLC | Lakewood, CO 80228 | Oil & Gas Operator | Aug 2025 |
| 25018 | Rockies Standard Oil Company | Provo, UT 84604 | Oil & Gas Operator | Oct 2020 |
| 25019 | Rockin 'A' Oil | | Oil Operator | May 2025 |
| 25020 | Rockin 9 Oil And Gas, LLC | Auburndale, FL 33823 | Gas Operator | Jun 2025 |
| 25021 | Rockin Bar Nothin Ranch, Inc. | Independence, KS 67301 | Oil Operator | Jun 2025 |
| 25022 | Rockin C Production, L.L.C. | Nocona, TX 76255 | Oil Operator | May 2025 |
| 25023 | Rockin D Resources LLC | Bristow, OK 74010-4162 | Oil Operator | Jul 2025 |
| 25024 | Rockin G. Energy, LLC | Weatherford, TX 76087 | Gas Operator | Sep 2020 |
| 25025 | Rockin K Enterprises LLC | Riverside, MO 64168 | Oil Operator | May 2025 |
| 25026 | Rockin S Field Service LLC | Stigler, OK 74462 | Gas Operator | Jul 2025 |
| 25027 | Rockin' D, LLC | Big Spring, TX 79720 | Oil & Gas Operator | Mar 2024 |
| 25028 | Rocking Lazy Little B Ranch Oil | Cedar Creek, TX 78612 | Oil Operator | Apr 2011 |
| 25029 | Rocking R Investments, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2025 |
| 25030 | Rocking, R, Drilling & Prod Co. | Bowie, TX 76230 | Oil & Gas Operator | Nov 2025 |
| 25031 | Rockland Oil Company | Addison, TX 75001 | Oil & Gas Operator | Jul 2025 |
| 25032 | Rockleigh K. Thurman | | Oil & Gas Operator | Jan 2025 |
| 25033 | Rockoil Energy Of Texas, Inc. | Weatherford, TX 76086 | Oil & Gas Operator | Nov 2025 |
| 25034 | Rockport Energy Solutions LLC | Austin, TX 78730 | Oil & Gas Operator | Nov 2025 |
| 25035 | Rockport Georgetown Holdings,LP | Bellaire, TX 77401 | Oil & Gas Operator | Nov 2007 |
| 25036 | Rocksauce Opr LLC | Canonsburg, PA 15317-3906 | Oil & Gas Operator | Dec 2024 |
| 25037 | Rocksprings Energy Company LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 1997 |
| 25038 | Rockstar Production, LLC | Graham, TX 76450 | Oil Operator | Nov 2025 |
| 25039 | Rockstar Resources, LLC | Sourlake, TX 77659 | Oil & Gas Operator | Nov 2025 |
| 25040 | Rockwall Energy LLC | Colony, KS 66015 | Oil Operator | May 2025 |
| 25041 | Rockwall Marketing Corporation | Benbrook, TX 76126 | Oil & Gas Operator | Dec 2007 |
| 25042 | Rockwell Drilling Company | New York, NY 10013 | Oil & Gas Operator | Dec 2005 |
| 25043 | Rockwell Energy Corporation | Tulsa, OK 74105 | Oil & Gas Operator | Apr 2014 |
| 25044 | Rockwell Energy, LLC | Spring, TX 77386 | Oil & Gas Operator | Sep 2014 |
| 25045 | Rockwell Resources Inc | New Matamoras, OH 45767 | Oil & Gas Operator | Dec 2024 |
| 25046 | Rockwood Petrole | | Oil Operator | Aug 1985 |
| 25047 | Rockwood Resources Inc | Coleman, TX 76834 | Oil & Gas Operator | Nov 2025 |
| 25048 | Rocky Creek Resources, LLC | Houston, TX 77055 | Oil & Gas Operator | Mar 2025 |
| 25049 | Rocky Mount Gas Gathering,LLC | | Oil Operator | Apr 2001 |
| 25050 | Rocky Mountain Gas Inc | Sheridan, WY 82801 | Gas Operator | Nov 2009 |
| 25051 | Rocky Point Oil, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2025 |
| 25052 | Rocky Road Oil Company | | Oil Operator | May 2024 |
| 25053 | Rocky Roads Operating LLC | Tulsa, OK 74103-4048 | Oil & Gas Operator | Aug 2025 |
| 25054 | Rocky Top Energy LLC | Bartlesville, OK 74003 | Oil & Gas Operator | Sep 2024 |
| 25055 | Roco Petroleum, Incorporated | Abilene, TX 79605 | Oil & Gas Operator | Nov 2025 |
| 25056 | Rocoso Resources, LLC | Albany, TX 76430 | Oil & Gas Operator | Nov 2025 |
| 25057 | Rod Johnson Operations | Miramar Beach, FL 32550 | Oil & Gas Operator | Dec 2015 |
| 25058 | Rod Oil & Gas LTD. | Houston, TX 77261 | Oil & Gas Operator | Jun 1995 |
| 25059 | Rod, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Mar 2008 |
| 25060 | Rodan, Inc. | Wink, TX 79789 | Oil & Gas Operator | Nov 2025 |
| 25061 | Roddy Production Company Inc | Farmington, NM 87401 | Oil & Gas Operator | Aug 2025 |
| 25062 | Rodel Oil & Gas Company | Houston, TX 77218 | Oil & Gas Operator | Nov 2025 |
| 25063 | Roden Oil Company | Midland, TX 79702 | Oil & Gas Operator | Feb 2008 |
| 25064 | Rodenberg, Laura Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Nov 2025 |
| 25065 | Rodeo Resources | | Oil Operator | Jul 1986 |
| 25066 | Rodeo Resources, L.L.C. | Houston, TX 77079 | Oil & Gas Operator | Dec 2024 |
| 25067 | Rodessa Management, Inc. | Longview, TX 75606 | Oil & Gas Operator | May 1995 |
| 25068 | Rodessa Operating Company | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Nov 2025 |
| 25069 | Rodgers Donald E Jr | Ripley, OK 74062 | Oil & Gas Operator | Mar 2011 |
| 25070 | Rodgers, Clyde B. | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 25071 | Rodgers, Murray | Sedan, KS 67361 | Oil Operator | Oct 1996 |
| 25072 | Rodgers, William L. | Fort Worth, TX 76147 | Oil & Gas Operator | Jan 1995 |
| 25073 | Rodline Petroleum LLC | Adolphus, KY 42120 | Oil Operator | Dec 2023 |
| 25074 | Rodman George Inc | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 1992 |
| 25075 | Rodman Petroleum Corp. | Odessa, TX 79768 | Oil & Gas Operator | Jul 2023 |
| 25076 | Rodney B Webb Dba Webb Oil Co | Artesia, NM 88210 | Oil & Gas Operator | Jun 2005 |
| 25077 | Rodriguez, Everado | Paola, KS 66071 | Oil Operator | Mar 2021 |
| 25078 | Roe Oil Company | Cushing, OK 74023-0086 | Oil & Gas Operator | Feb 2025 |
| 25079 | Roemer Oil Company | Denver, CO 80202 | Oil & Gas Operator | Nov 1998 |
| 25080 | Roemer, David E. | Somerset, TX 78069 | Oil Operator | Nov 2025 |
| 25081 | Roff Operating Company LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 25082 | Rog Enterprises, Inc. | Lake Dallas, TX 75065 | Oil Operator | May 2014 |
| 25083 | Rog Enterprises, LLC | Burkburnett, TX 76354 | Oil Operator | Nov 2025 |
| 25084 | Roger K Dunham | Sheffield, PA 16347-0145 | Oil Operator | Dec 2016 |
| 25085 | Roger Slayton Dba Escudilla Oil Company | Roswell, NM 88202 | Oil Operator | Sep 2020 |
| 25086 | Roger Wilson | | Oil Operator | Apr 2002 |
| 25087 | Roger Wilson, Inc. | | Oil Operator | Jul 2019 |
| 25088 | Roger'S Properties LLC | Harrisville, WV 26362 | Oil & Gas Operator | Dec 2021 |
| 25089 | Rogers & Son | | Oil & Gas Operator | Dec 2008 |
| 25090 | Rogers County Coal Seam LLC | Ridgeland, MS 39157-8635 | Oil & Gas Operator | Mar 2015 |
| 25091 | Rogers Dan R | Okemah, OK 74847 | Oil & Gas Operator | Apr 2020 |
| 25092 | Rogers Drilling Co. | Olney, TX 76374 | Oil & Gas Operator | Nov 2025 |
| 25093 | Rogers Jerry L | Cushing, OK 74023-0911 | Oil & Gas Operator | Mar 2017 |
| 25094 | Rogers Merlin D | | Oil Operator | Feb 2001 |
| 25095 | Rogers Oil Co. | Bronson, KS 66716 | Oil & Gas Operator | Sep 1995 |
| 25096 | Rogers Oil Compa | | Oil Operator | Apr 1993 |
| 25097 | Rogers Oilfield Op, Corp. | Granbury, TX 76048 | Oil & Gas Operator | Jul 2019 |
| 25098 | Rogers Well Service Inc | Ponca City, OK 74601 | Oil & Gas Operator | Apr 2014 |
| 25099 | Rogers, Clyde | Zellwood, FL 32798 | Oil Operator | Dec 2023 |
| 25100 | Rogers, Cora L | | Oil Operator | Jul 2025 |