| 27101 | Sterling Oil Co. | Sterling, KS 67579 | Oil Operator | Feb 2000 |
| 27102 | Sterling Oil Of Okla Inc | Tulsa, OK 74170-2163 | Oil & Gas Operator | Nov 2006 |
| 27103 | Sterling Operators Inc | | Oil Operator | Jan 2024 |
| 27104 | Sterling Petrole | | Oil & Gas Operator | Sep 1992 |
| 27105 | Sterling Properties Inc | Lawton, OK 73501-9601 | Oil Operator | Jan 2024 |
| 27106 | Sterlynn Oil & Gas, Inc. | Harper, TX 78631 | Oil Operator | Apr 2024 |
| 27107 | Stesco Operating Company LLC | Oklahoma City, OK 73156-0100 | Oil & Gas Operator | Dec 2023 |
| 27108 | Stetson Energy Corporation | Duncan, OK 73534-0098 | Oil & Gas Operator | Mar 2015 |
| 27109 | Stetson Petroleum Corp. | Rollins, MT 59931 | Oil & Gas Operator | Apr 2024 |
| 27110 | Steve Burchett Oil Co | | Oil Operator | Dec 2022 |
| 27111 | Steve Smith | | Gas Operator | Dec 1987 |
| 27112 | Steve'S Oilfield | | Oil Operator | Jul 1994 |
| 27113 | Steveco | | Oil Operator | Feb 1984 |
| 27114 | Steven A. Sayce | | Oil Operator | Jan 2021 |
| 27115 | Steven Cornelius | Collinsville, OK 74021 | Oil Operator | Sep 2015 |
| 27116 | Steven D Ruppert | Tesuque, NM 87574 | Oil & Gas Operator | Feb 2022 |
| 27117 | Stevens & Tull, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
| 27118 | Stevens Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 27119 | Stevens Quincy O | Oklahoma City, OK 73116-4102 | Oil & Gas Operator | Dec 2019 |
| 27120 | Stevens, Carole J. & Garry M. | Cherry Creek, NY 14723 | Gas Operator | Dec 2022 |
| 27121 | Stevens, Dale E | Grayson, KY 41143 | Oil Operator | Dec 2022 |
| 27122 | Stevenson Oil Company, Inc. | Lovington, NM 88260 | Oil & Gas Operator | Feb 2024 |
| 27123 | Stevenson, Albert | | Oil & Gas Operator | Jun 1979 |
| 27124 | Stevenson, Ken & Associates, Inc | La Grange, TX 78945 | Oil & Gas Operator | Sep 2002 |
| 27125 | Stevie'S Shale Well LLC | Woodhull, NY 14898 | Gas Operator | Dec 2022 |
| 27126 | Steward Energy II, LLC | Frisco, TX 75034 | Oil & Gas Operator | Apr 2024 |
| 27127 | Steward Energy, LLC | Frisco, TX 75034 | Oil & Gas Operator | Nov 2014 |
| 27128 | Steward Petroleum Company | | Oil & Gas Operator | Nov 1995 |
| 27129 | Stewardship Resources | Roanoke, TX 76262 | Oil & Gas Operator | Jun 2022 |
| 27130 | Stewart & Porter | Mingus, TX 76463 | Oil & Gas Operator | Apr 2002 |
| 27131 | Stewart Construction | Graham, TX 76450 | Oil Operator | Apr 2024 |
| 27132 | Stewart Contract Services | Strawn, TX 76475 | Oil & Gas Operator | Apr 2024 |
| 27133 | Stewart Drilling Co. Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1990 |
| 27134 | Stewart Drilling Program | Home, PA 15747-9801 | Oil & Gas Operator | Dec 2014 |
| 27135 | Stewart Family Holdings LLC | Weatherford, TX 76087 | Oil & Gas Operator | Apr 2024 |
| 27136 | Stewart Inc | Ringling, OK 73456 | Oil & Gas Operator | Jan 2024 |
| 27137 | Stewart K Petroleum Corp | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 27138 | Stewart Morris E Oil Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Jan 2013 |
| 27139 | Stewart Morris E Operating Co LLC | Oklahoma City, OK 73172-0600 | Oil & Gas Operator | Jul 2008 |
| 27140 | Stewart Oil & Gas | Stephenville, TX 76401 | Gas Operator | Apr 2024 |
| 27141 | Stewart Oil & Gas Investments Inc | Porum, OK 74455-4208 | Gas Operator | Dec 2023 |
| 27142 | Stewart Oil Comp | | Oil Operator | Jul 1993 |
| 27143 | Stewart Oil Company | | Oil Operator | Jun 2009 |
| 27144 | Stewart Operating | | Oil Operator | Jul 2019 |
| 27145 | Stewart Petroleum Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Dec 2023 |
| 27146 | Stewart Producers | Lancaster, OH 43130 | Oil & Gas Operator | Dec 1984 |
| 27147 | Stewart Producers, Inc. | Mount Vernon, IL 62864 | Oil & Gas Operator | Dec 2023 |
| 27148 | Stewart W C Oil | | Oil Operator | Jun 1986 |
| 27149 | Stewart, James G. | Graham, TX 76450 | Oil & Gas Operator | Sep 2019 |
| 27150 | Stice Oil Company | | Oil Operator | Dec 2023 |
| 27151 | Stich Oil Company, A General Partnership | Chanute, KS 66720 | Oil Operator | Jul 2014 |
| 27152 | Stickney Oil & Gas, Inc. | Midland, TX 79704 | Oil & Gas Operator | Nov 2014 |
| 27153 | Stickney, F. C., Inc. | Midland, TX 79704 | Oil & Gas Operator | Oct 1998 |
| 27154 | Stidham Bob And Alice F | Sperry, OK 74073 | Oil Operator | Jan 2024 |
| 27155 | Stifter, Ralph E | Rantoul, KS 66079 | Oil Operator | Sep 2001 |
| 27156 | Stigler Gas Company | Stigler, OK 74462-0635 | Gas Operator | Dec 2023 |
| 27157 | Stiglitz Raymond J | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2013 |
| 27158 | Stiles, Carl W. | West Valley, NY 14171 | Gas Operator | Dec 2022 |
| 27159 | Still A B Wel-Service Inc | Drumright, OK 74030-0787 | Oil & Gas Operator | Jul 2019 |
| 27160 | Still Alex B Estate Of | Sagle, ID 83860-0644 | Oil & Gas Operator | Nov 2018 |
| 27161 | Stillwater Oil & Gas | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 27162 | Stillwater Petroleum Company | College Sta, TX 77845 | Oil & Gas Operator | Nov 1997 |
| 27163 | Stine Massie Oil, LLC | Mansfield, TX 76063 | Oil Operator | Apr 2024 |
| 27164 | Stine Oil Company | Mansfield, TX 76063 | Oil Operator | Mar 2016 |
| 27165 | Stine, Ward L.Oil Company | Windthorst, TX 76389 | Oil & Gas Operator | Oct 1999 |
| 27166 | Stine-Hawkins | Mansfield, TX 76063 | Gas Operator | Apr 2024 |
| 27167 | Sting Exploration Company | Tulsa, OK 74120 | Oil Operator | Sep 2004 |
| 27168 | Stinger Oil & Gas Inc. | Sherman Oaks, CA 91403 | Oil & Gas Operator | Oct 2013 |
| 27169 | Stingray Oil Company, Inc. | Mullin, TX 76864 | Oil Operator | Apr 2024 |
| 27170 | Stinhall Corporation | | Oil & Gas Operator | Apr 1989 |
| 27171 | Stinn-Tex, Inc. | Borger, TX 79008 | Oil & Gas Operator | Sep 2016 |
| 27172 | Stinnett Oil Company | | Oil Operator | Dec 1997 |
| 27173 | Stinson Gas Company, L.L.C. | | Gas Operator | Jul 2018 |
| 27174 | Stinson, Ernest Dba Logsdon Valley Oil | Horse Cave, KY 42749 | Oil Operator | Dec 2021 |
| 27175 | Stinson, Jan | | Oil Operator | May 1984 |
| 27176 | Stivers Inc | Graham, TX 76450 | Oil & Gas Operator | May 2003 |
| 27177 | Stivers Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 1995 |
| 27178 | Stiverson, R G Co, Inc | | Oil Operator | Dec 2011 |
| 27179 | Stixon Petroleum | | Oil Operator | Dec 1996 |
| 27180 | STL Oil & Gas LLC | Skiatook, OK 74070 | Oil & Gas Operator | Mar 2016 |
| 27181 | STL Resources LLC | Wexford, PA 15090-8380 | Gas Operator | Jan 2024 |
| 27182 | Sto Operating Company | San Antonio, TX 78258 | Oil & Gas Operator | Apr 2024 |
| 27183 | Stobaugh G B Trust | Oklahoma City, OK 73124 | Oil Operator | Jul 2023 |
| 27184 | Stober Oil And Gas Services, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2024 |
| 27185 | Stockdale Energy Co. | | Gas Operator | Dec 1992 |
| 27186 | Stockdale Oil & Gas Inc. | | Oil & Gas Operator | Dec 2001 |
| 27187 | Stocker & Sitler Inc | Columbus, OH 43214-0981-0981 | Oil & Gas Operator | Dec 2002 |
| 27188 | Stoeppelwerth DR | | Oil Operator | May 1993 |
| 27189 | Stokes Donna L | Blanchard, OK 73010-0364 | Oil & Gas Operator | Jun 2023 |
| 27190 | Stoll, James G | Eden, NY 14057 | Gas Operator | Dec 2022 |
| 27191 | Stoltz Wagner & Brown | | Oil Operator | Nov 1998 |
| 27192 | Stoltz, Deane H. | Midland, TX 79710 | Oil & Gas Operator | Oct 2000 |
| 27193 | Stone & Webster Oil Company, Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 1995 |
| 27194 | Stone & Williams Oil&Gas Co.,Inc | Holliday, TX 76366 | Oil Operator | Apr 2013 |
| 27195 | Stone & Wolf LLC | Sheridan, WY 82801 | Oil & Gas Operator | Dec 2006 |
| 27196 | Stone Cabin Resources LLC | | Oil & Gas Operator | Dec 2023 |
| 27197 | Stone Creek Operating, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2024 |
| 27198 | Stone Edge Energy, LLC | Georgetown, TX 78633 | Oil & Gas Operator | Apr 2024 |
| 27199 | Stone Energy Corporation | Denver, CO 80202-2828 | Oil & Gas Operator | Oct 2014 |
| 27200 | Stone Energy LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |