| 25101 | Ross Exploration,Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2013 |
| 25102 | Ross Explorations, Inc | Fort Smith, AR 72903 | Gas Operator | Jun 2024 |
| 25103 | Ross Gas And Oil, LTD. Co. | Dripping SPGS, TX 78620 | Oil & Gas Operator | Nov 2024 |
| 25104 | Ross Operating Company | Shreveport, LA 71163 | Oil & Gas Operator | May 1996 |
| 25105 | Ross Prod. - Zwahlen & Raish | | Oil & Gas Operator | Sep 1998 |
| 25106 | Ross Production Co. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2000 |
| 25107 | Ross, Dwight M. DRLG. Co., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Nov 2024 |
| 25108 | Ross, Mike Inc. | Coalton, WV 26257 | Oil & Gas Operator | Dec 2021 |
| 25109 | Ross-Rippy | Tyler, TX 75702 | Oil & Gas Operator | Oct 2002 |
| 25110 | Rossi, Paul | FT Meade, FL 33841 | Oil Operator | Dec 2022 |
| 25111 | Rosson Et Al | | Oil Operator | Aug 1983 |
| 25112 | Rosson Exploration Company | | Oil & Gas Operator | Apr 2005 |
| 25113 | Rosson, Robert K. | Novice, TX 79538 | Oil & Gas Operator | Aug 2003 |
| 25114 | Roswell Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2019 |
| 25115 | Rotation, Incorporated | Houston, TX 77057 | Oil & Gas Operator | Mar 2023 |
| 25116 | Roth Gary E | Tonkawa, OK 74653-2033 | Oil & Gas Operator | Jan 2020 |
| 25117 | Rothschild Oil Co. | | Oil Operator | Dec 1982 |
| 25118 | Rougeot Oil & Gas Corp | Sperry, OK 74073 | Oil & Gas Operator | Aug 2024 |
| 25119 | Rough Creek Exploration, Inc. | Santa Anna, TX 76878 | Oil & Gas Operator | Jan 1996 |
| 25120 | Rough Hollow Ranch Corporation | Dallas, TX 75209 | Oil Operator | Aug 2006 |
| 25121 | Rough Rider Oil LLC | Booker, TX 79005-0427 | Oil & Gas Operator | Aug 2024 |
| 25122 | Roughhouse Operating, LLC | Addison, TX 75001 | Oil & Gas Operator | Sep 2024 |
| 25123 | Roughneck L.L.C. | | Oil Operator | Jul 2024 |
| 25124 | Roule Production Company | Bay City, TX 77414 | Oil & Gas Operator | Feb 1997 |
| 25125 | Roulette Energy LLC | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2023 |
| 25126 | Roulette Oil & Gas LLC | Shinglehouse, PA 16748 | Oil & Gas Operator | Aug 2024 |
| 25127 | Roulston Pat | Konawa, OK 74849-4020 | Oil Operator | Aug 2024 |
| 25128 | Round Rock Resources, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Sep 2012 |
| 25129 | Roundtree & Associates, Inc. | | Oil & Gas Operator | Jun 2024 |
| 25130 | Rountree Productions LLC | | Oil Operator | Sep 2024 |
| 25131 | Rountree/Wright Enterprises LLC | | Oil Operator | Sep 2024 |
| 25132 | Routh Operating, LLC | Dallas, TX 75204 | Oil & Gas Operator | Mar 2011 |
| 25133 | Rouxopco LLC | | Oil Operator | May 2024 |
| 25134 | Rouzer Oil Company | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 25135 | Rover Construction, LLC | | Oil Operator | Dec 2022 |
| 25136 | Rover Operating Company, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2024 |
| 25137 | Rover Operating Inc | Richardson, TX 75080 | Oil & Gas Operator | Apr 2000 |
| 25138 | Rover Operating, LLC | Chicago, IL 60606 | Oil & Gas Operator | Aug 2024 |
| 25139 | Rover Operations Inc | Richardson, TX 75080 | Oil & Gas Operator | Sep 1998 |
| 25140 | Rover Petroleum Operating, LLC | Plano, TX 75075 | Oil & Gas Operator | Nov 2024 |
| 25141 | Rovig Minerals, Inc. | | Oil & Gas Operator | May 2020 |
| 25142 | Rovsek Adolph E | | Oil & Gas Operator | Oct 1991 |
| 25143 | Rowan, Al | Van, TX 75790 | Oil & Gas Operator | Apr 2021 |
| 25144 | Rowan-Ungerecht, Inc. | Van, TX 75790 | Oil & Gas Operator | Sep 1993 |
| 25145 | Rowden Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2023 |
| 25146 | Rowden, John A. | Chanute, KS 66720 | Oil Operator | Oct 1998 |
| 25147 | Rowe Energy | Beggs, OK 74421-0240 | Oil & Gas Operator | Mar 2015 |
| 25148 | Rowe Oil And Gas, Inc. | | Oil & Gas Operator | May 1999 |
| 25149 | Rowe Oil Co. | | Oil Operator | Jan 2002 |
| 25150 | Rowe Stephen Oil Properties LLC | Hunt, TX 78024 | Oil & Gas Operator | Apr 2020 |
| 25151 | Rowe, Inc. | | Oil & Gas Operator | Jun 1992 |
| 25152 | Rowland Tank Truck Company | Sherman, TX 75090 | Oil & Gas Operator | Nov 2024 |
| 25153 | Rowland, David M. | East Aurora, NY 14052 | Gas Operator | Dec 2023 |
| 25154 | Rowland, Rex D. | Midland, TX 79701 | Oil & Gas Operator | Dec 2017 |
| 25155 | Rowland, Rex D. Estate Of | Dallas, TX 75252 | Oil & Gas Operator | Nov 2024 |
| 25156 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | Sep 2024 |
| 25157 | Roxana Corporati | | Oil & Gas Operator | Feb 1993 |
| 25158 | Roxanna Acadia, LLC | | Oil & Gas Operator | May 2023 |
| 25159 | Roxanna Nebraska, LLC | | Oil Operator | Dec 2023 |
| 25160 | Roxanna Oil Company | Oklahoma City, OK 73120-2717 | Oil Operator | Aug 2016 |
| 25161 | Roxanna Pipeline, Inc. | Dallas, TX 75206 | Oil & Gas Operator | May 2010 |
| 25162 | Roxi Production | Pampa, TX 79065 | Oil & Gas Operator | Nov 2024 |
| 25163 | Roy D. Gish | | Oil & Gas Operator | Sep 2019 |
| 25164 | Roy E Kimsey Jr | Midland, TX 79701 | Oil & Gas Operator | Jul 2018 |
| 25165 | Roy Farr Heirs | | Oil Operator | Jun 2013 |
| 25166 | Roy G Oil Company | Drumright, OK 74030-1236 | Oil & Gas Operator | Oct 1995 |
| 25167 | Roy L Ashton Oil & Gas Production Inc | Sapulpa, OK 74066 | Oil Operator | Aug 2024 |
| 25168 | Roy M. Huffington, Inc. | | Oil & Gas Operator | Jul 1983 |
| 25169 | Roy M. Teel | | Oil & Gas Operator | Nov 1983 |
| 25170 | Roy Production Co. | Shamrock, TX 79079 | Oil & Gas Operator | Jul 2012 |
| 25171 | Roya Resources LLC | | Oil & Gas Operator | Mar 2022 |
| 25172 | Royal American Oil & Gas | Post, TX 79356 | Oil & Gas Operator | Jan 2019 |
| 25173 | Royal Carolina Producers, LLC | | Oil Operator | Dec 2015 |
| 25174 | Royal Drilling Inc | Russell, KS 67665 | Oil Operator | Jul 2024 |
| 25175 | Royal Energy Resources LTD | Denver, CO 80221 | Oil & Gas Operator | May 2013 |
| 25176 | Royal Energy, Inc. | Dodge City, KS 67801 | Oil Operator | Dec 2019 |
| 25177 | Royal Oaks Petroleum Corp | Fort Worth, TX 76116 | Oil & Gas Operator | Dec 2001 |
| 25178 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
| 25179 | Royal Oil LLC | Flower Mound, TX 75028 | Oil Operator | Dec 2015 |
| 25180 | Royal Oil LTD. Co. | Hobbs, NM 88241 | Oil & Gas Operator | Mar 1996 |
| 25181 | Royal Petroleum | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 25182 | Royal Petroleum Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2024 |
| 25183 | Royal Petroleum Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jul 2024 |
| 25184 | Royal Petroleum Prop Inc | Woodville, OH 43469 | Oil & Gas Operator | Dec 1990 |
| 25185 | Royal Production Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Nov 2024 |
| 25186 | Royal Resources Corporation | | Oil & Gas Operator | Dec 2008 |
| 25187 | Royal Resources Exploration | | Oil & Gas Operator | Mar 1984 |
| 25188 | Royal Seahorse Developments Inc | San Antonio, TX 78209 | Oil & Gas Operator | Oct 1994 |
| 25189 | Royal Texan Energy Co. | Irvine, CA 92618 | Oil & Gas Operator | Nov 2024 |
| 25190 | Royal Texan Resources Co. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2024 |
| 25191 | Royal Texas Petroleum | Lago VIsta, TX 78645 | Oil & Gas Operator | Nov 2024 |
| 25192 | Royale Energy Inc | San Diego, CA 92108-4518 | Oil & Gas Operator | Sep 2024 |
| 25193 | Royale Operating Company | San Diego, CA 92108 | Oil & Gas Operator | Apr 1996 |
| 25194 | Royalton Gas & Oil Co | Brunswick, OH 44212 | Oil & Gas Operator | Dec 1990 |
| 25195 | Royalty Energy Development LLC | Edmond, OK 73003 | Oil & Gas Operator | Sep 2024 |
| 25196 | Royalty Land & Dev. Co., Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Nov 2024 |
| 25197 | Royalty Management & Dev Corp. | | Oil & Gas Operator | Apr 1998 |
| 25198 | Royalty Operating, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Nov 2007 |
| 25199 | Royalty Petroleum Company | Oklahoma City, OK 73120 | Gas Operator | Feb 2002 |
| 25200 | Royalty Resources, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |