| 27101 | Stepco Oil, Inc. | Ellinwood, KS 67526 | Oil Operator | Jan 2020 |
| 27102 | Stepco, Inc. | Ellinwood, KS 67526 | Oil Operator | Feb 2005 |
| 27103 | Stephen Debrular Dba Stephen Gas Company | Weston, WV 26452-7396 | Gas Operator | Dec 2021 |
| 27104 | Stephen L Satterfield Production Company | Grantsville, WV 26147-0757 | Oil & Gas Operator | Nov 2021 |
| 27105 | Stephen Michael Inc | Midwest City, OK 73130-5200 | Oil & Gas Operator | Oct 2015 |
| 27106 | Stephen W. Bradford | | Oil Operator | Dec 1996 |
| 27107 | Stephens & Johnson Op Co | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2024 |
| 27108 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2024 |
| 27109 | Stephens Energy Company LLC | | Oil & Gas Operator | Jun 2012 |
| 27110 | Stephens Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Feb 2022 |
| 27111 | Stephens Energy Group LLC | | Oil & Gas Operator | Jan 2024 |
| 27112 | Stephens Exploration, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Feb 2024 |
| 27113 | Stephens Oil Co. | | Oil Operator | Dec 2017 |
| 27114 | Stephens Oil Company, LLC | Stephens, AR 71764 | Oil Operator | Feb 2024 |
| 27115 | Stephens Operating Inc | Ardmore, OK 73401 | Oil & Gas Operator | Sep 2014 |
| 27116 | Stephens Production Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2024 |
| 27117 | Stephens Production Company, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2018 |
| 27118 | Stephens Williston, LLC Dba Seg Williston, LLC | | Oil & Gas Operator | Mar 2024 |
| 27119 | Stephens, Autry C. | Midland, TX 79701 | Oil & Gas Operator | Mar 2023 |
| 27120 | Stephens, Clayton E. | Dallas, TX 75229 | Oil & Gas Operator | Nov 2011 |
| 27121 | Stephens, Glynn | Overton, TX 75684 | Oil & Gas Operator | Oct 2001 |
| 27122 | Stephens, Hayseed Oil Inc. | Weatherford, TX 76087 | Oil & Gas Operator | Mar 2008 |
| 27123 | Stephens, Mickie L. | MC Camey, TX 79752 | Oil & Gas Operator | Aug 1998 |
| 27124 | Stephens, Morris | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
| 27125 | Stephenson Group Natural Gas Co | Smicksburg, PA 16256-1710 | Gas Operator | Dec 2020 |
| 27126 | Stephenson John | | Oil Operator | Dec 1985 |
| 27127 | Stephenson L G & | | Oil Operator | Apr 1987 |
| 27128 | Stephenson Mark M | Smicksburg, PA 16256-1710 | Gas Operator | Dec 2009 |
| 27129 | Stephenson Oil & Gas, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Sep 1999 |
| 27130 | Stephenson W W Pet Corp | Edmond, OK 73003-0014 | Oil & Gas Operator | Jul 2017 |
| 27131 | Stephenson, Light | Whitsett, TX 78075 | Oil & Gas Operator | Nov 2000 |
| 27132 | Sterling Drillin | | Oil & Gas Operator | Mar 1992 |
| 27133 | Sterling Drilling Company | Pratt, KS 67124 | Oil & Gas Operator | Apr 2014 |
| 27134 | Sterling Energy Corp | Denver, CO 80202 | Oil & Gas Operator | Sep 1995 |
| 27135 | Sterling Energy Resources, Inc. | Overland Park, KS 66212 | Oil Operator | May 2019 |
| 27136 | Sterling Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2015 |
| 27137 | Sterling Engine Service, Inc. | Alice, TX 78333 | Oil & Gas Operator | May 2024 |
| 27138 | Sterling Expl. & Prod. Co., LLC | Houston, TX 77057 | Oil & Gas Operator | May 2024 |
| 27139 | Sterling Explora | | Oil & Gas Operator | Jun 1994 |
| 27140 | Sterling Exploration | Lee'S Summit, MO 64082 | Gas Operator | Nov 1997 |
| 27141 | Sterling Inv. Group & Assc., Inc | Baytown, TX 77522 | Oil & Gas Operator | May 2024 |
| 27142 | Sterling Oil & G | | Oil Operator | May 1984 |
| 27143 | Sterling Oil And Gas | Weatherford, TX 76086 | Oil & Gas Operator | May 2024 |
| 27144 | Sterling Oil Co. | Sterling, KS 67579 | Oil Operator | Feb 2000 |
| 27145 | Sterling Oil Of Okla Inc | Tulsa, OK 74170-2163 | Oil & Gas Operator | Nov 2006 |
| 27146 | Sterling Operators Inc | | Oil Operator | Feb 2024 |
| 27147 | Sterling Petrole | | Oil & Gas Operator | Sep 1992 |
| 27148 | Sterling Properties Inc | Lawton, OK 73501-9601 | Oil Operator | Feb 2024 |
| 27149 | Sterlynn Oil & Gas, Inc. | Harper, TX 78631 | Oil Operator | May 2024 |
| 27150 | Stesco Operating Company LLC | Oklahoma City, OK 73156-0100 | Oil & Gas Operator | Jan 2024 |
| 27151 | Stetson Energy Corporation | Duncan, OK 73534-0098 | Oil & Gas Operator | Mar 2015 |
| 27152 | Stetson Petroleum Corp. | Rollins, MT 59931 | Oil & Gas Operator | May 2024 |
| 27153 | Steve Burchett Oil Co | | Oil Operator | Dec 2022 |
| 27154 | Steve Smith | | Gas Operator | Dec 1987 |
| 27155 | Steve'S Oilfield | | Oil Operator | Jul 1994 |
| 27156 | Steveco | | Oil Operator | Feb 1984 |
| 27157 | Steven A. Sayce | | Oil Operator | Jan 2021 |
| 27158 | Steven Cornelius | Collinsville, OK 74021 | Oil Operator | Sep 2015 |
| 27159 | Steven D Ruppert | Tesuque, NM 87574 | Oil & Gas Operator | Feb 2022 |
| 27160 | Stevens & Tull, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
| 27161 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 27162 | Stevens Quincy O | Oklahoma City, OK 73116-4102 | Oil & Gas Operator | Dec 2019 |
| 27163 | Stevens, Carole J. & Garry M. | Cherry Creek, NY 14723 | Gas Operator | Dec 2022 |
| 27164 | Stevens, Dale E | Grayson, KY 41143 | Oil Operator | Dec 2022 |
| 27165 | Stevenson Oil Company | Lovington, NM 88260 | Oil & Gas Operator | Mar 2024 |
| 27166 | Stevenson, Albert | | Oil & Gas Operator | Jun 1979 |
| 27167 | Stevenson, Ken & Associates, Inc | La Grange, TX 78945 | Oil & Gas Operator | Sep 2002 |
| 27168 | Stevie'S Shale Well LLC | Woodhull, NY 14898 | Gas Operator | Dec 2022 |
| 27169 | Steward Energy II, LLC | Frisco, TX 75034 | Oil & Gas Operator | May 2024 |
| 27170 | Steward Energy, LLC | Frisco, TX 75034 | Oil & Gas Operator | Nov 2014 |
| 27171 | Steward Petroleum Company | | Oil & Gas Operator | Nov 1995 |
| 27172 | Stewardship Resources | Roanoke, TX 76262 | Oil & Gas Operator | Jun 2022 |
| 27173 | Stewart & Porter | Mingus, TX 76463 | Oil & Gas Operator | Apr 2002 |
| 27174 | Stewart Construction | Graham, TX 76450 | Oil Operator | May 2024 |
| 27175 | Stewart Contract Services | Strawn, TX 76475 | Oil & Gas Operator | May 2024 |
| 27176 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 27177 | Stewart Drilling Program | Home, PA 15747-9801 | Oil & Gas Operator | Dec 2014 |
| 27178 | Stewart Family Holdings LLC | Weatherford, TX 76087 | Oil & Gas Operator | May 2024 |
| 27179 | Stewart Inc | Ringling, OK 73456 | Oil & Gas Operator | Feb 2024 |
| 27180 | Stewart K Petroleum Corp | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 27181 | Stewart Morris E Oil Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Jan 2013 |
| 27182 | Stewart Morris E Operating Co LLC | Oklahoma City, OK 73172-0600 | Oil & Gas Operator | Jul 2008 |
| 27183 | Stewart Oil & Gas | Stephenville, TX 76401 | Gas Operator | May 2024 |
| 27184 | Stewart Oil Comp | | Oil Operator | Jul 1993 |
| 27185 | Stewart Oil Company | | Oil Operator | Jun 2009 |
| 27186 | Stewart Operating | | Oil Operator | Jul 2019 |
| 27187 | Stewart Petroleum Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Dec 2023 |
| 27188 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 27189 | Stewart Producers, Inc. | Mount Vernon, IL 62864 | Oil & Gas Operator | Dec 2023 |
| 27190 | Stewart W C Oil | | Oil Operator | Jun 1986 |
| 27191 | Stewart, James G. | Graham, TX 76450 | Oil & Gas Operator | Sep 2019 |
| 27192 | Stice Oil Company | | Oil Operator | Dec 2023 |
| 27193 | Stich Oil Company, A General Partnership | Chanute, KS 66720 | Oil Operator | Jul 2014 |
| 27194 | Stickney Oil & Gas, Inc. | Midland, TX 79704 | Oil & Gas Operator | Nov 2014 |
| 27195 | Stickney, F. C., Inc. | Midland, TX 79704 | Oil & Gas Operator | Oct 1998 |
| 27196 | Stidham Bob And Alice F | Sperry, OK 74073 | Oil Operator | Jan 2024 |
| 27197 | Stifter, Ralph E | Rantoul, KS 66079 | Oil Operator | Sep 2001 |
| 27198 | Stiglitz Raymond J | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2013 |
| 27199 | Stiles, Carl W. | West Valley, NY 14171 | Gas Operator | Dec 2022 |
| 27200 | Still A B Wel-Service Inc | Drumright, OK 74030-0787 | Oil & Gas Operator | Jul 2019 |