| 27101 | Sogc, Inc. | Salt Lake Cty, UT 84131 | Oil & Gas Operator | Aug 2025 |
| 27102 | Sogc, LLC | Salt Lake Cty, UT 84131 | Oil & Gas Operator | Nov 2025 |
| 27103 | Sogo III LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2017 |
| 27104 | Sohio Alaska Petroleum Company | | Oil & Gas Operator | Dec 1981 |
| 27105 | Sohio Petr Co-Gulf Oil Corp | | Oil & Gas Operator | Dec 1979 |
| 27106 | Sohio Petroleum Co. | Casper, WY 82602 | Oil & Gas Operator | Apr 1986 |
| 27107 | Sohio Petroleum Co. Et Al | | Oil & Gas Operator | May 1979 |
| 27108 | Sohio-Stand Oil Prod Co | Houston, TX 77210-9928 | Oil & Gas Operator | Jan 1989 |
| 27109 | Soil Energy, Inc. | Imperial, TX 79743 | Oil & Gas Operator | Nov 2025 |
| 27110 | Sois-Osage Inc | | Oil & Gas Operator | Oct 2006 |
| 27111 | Sojitz Energy Venture, Inc. | Houston, TX 77042 | Oil & Gas Operator | Feb 2018 |
| 27112 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | Nov 2025 |
| 27113 | Sokan Operating, LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Jun 2025 |
| 27114 | Sol Oil Co., L.C. | Crane, TX 79731 | Oil Operator | Nov 2025 |
| 27115 | Sola Oil Company, Inc. | | Oil & Gas Operator | Aug 1991 |
| 27116 | Sola Operating, LLC | Trout, LA 71371 | Oil Operator | Nov 2025 |
| 27117 | Solano Gas Processing, Inc. | Austin, TX 78759 | Oil & Gas Operator | Aug 1998 |
| 27118 | Solar Exploration TX LLC | Tulsa, OK 74133 | Oil Operator | Dec 2018 |
| 27119 | Solar Petroleum Inc | | Oil Operator | May 1983 |
| 27120 | Solar Sportsystems, Inc. | East Aurora, NY 14052 | Gas Operator | Dec 2024 |
| 27121 | Solatex | | Oil & Gas Operator | Oct 1978 |
| 27122 | Solatex Resources, LTD | Houston, TX 77257 | Oil & Gas Operator | Nov 2025 |
| 27123 | Soldier Creek Energy, LLC | Edmond, OK 73013 | Oil & Gas Operator | Nov 2025 |
| 27124 | Soldier Operating LLC | | Oil & Gas Operator | Dec 2024 |
| 27125 | Soles Larry - Fe | | Oil Operator | Nov 1986 |
| 27126 | Solid Rock Prod. | | Oil Operator | Nov 1994 |
| 27127 | Solimar Energy LLC | | Oil & Gas Operator | Aug 2025 |
| 27128 | Solis Partners, L.L.C. | Midland, TX 79707 | Oil & Gas Operator | Aug 2025 |
| 27129 | Solomon Exploration Inc. | Havre, MT 59501 | Gas Operator | Jul 2025 |
| 27130 | Solomon Production Corporation | Pullman, WV 26421-0003 | Oil & Gas Operator | Dec 2021 |
| 27131 | Solutions Projects And Consulting, LLC | Houston, TX 77070 | Oil Operator | Nov 2025 |
| 27132 | Somerset Energy | | Oil Operator | Feb 1986 |
| 27133 | Somerset Energy, Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2023 |
| 27134 | Somerset Oil & Gas Company | Portland, TX 78374 | Oil & Gas Operator | Dec 2006 |
| 27135 | Somerset Operating, LLC | Weatherford, TX 76086 | Gas Operator | Nov 2025 |
| 27136 | Somex Energy Company | San Antonio, TX 78230 | Oil & Gas Operator | Mar 2002 |
| 27137 | Sommer Oil LLC | Richmond, KS 66080 | Oil Operator | Jun 2025 |
| 27138 | Somoco Inc | | Oil & Gas Operator | Jun 2025 |
| 27139 | Somont Oil Co., Inc. | Spring, TX 77379 | Oil & Gas Operator | Aug 2025 |
| 27140 | Son-Dad Oil & Gas | | Oil & Gas Operator | Dec 1994 |
| 27141 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 27142 | Sonat Exploration Co. - Houston | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 27143 | Sonat Exploration Co. - Midland | Houston, TX 77251 | Oil & Gas Operator | Mar 1999 |
| 27144 | Sonat Exploration Company -Tyler | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 27145 | Sonat Exploration Company-MCR | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 27146 | Sonat Exploration Gom Inc. | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 27147 | Sonata Oil & Gas Corp Inc | Stratford, OK 74812 | Oil & Gas Operator | Apr 2014 |
| 27148 | Sonerra Resources Corporation | Nacogdoches, TX 75963 | Oil & Gas Operator | Nov 2025 |
| 27149 | Song Production Company | Lindsay, OK 73052-0369 | Oil & Gas Operator | Jun 2015 |
| 27150 | Songer Harriett R | Brookville, PA 15825-5367 | Oil & Gas Operator | Dec 2010 |
| 27151 | Sonkar, Inc. | Sunburst, MT 59482 | Oil Operator | Aug 2025 |
| 27152 | Sonny King | | Oil & Gas Operator | Jan 2025 |
| 27153 | Sonny King Production | | Oil & Gas Operator | Jan 2025 |
| 27154 | Sonny'S Tank Trucks Inc | Ratliff City, OK 73481 | Oil Operator | Jul 2025 |
| 27155 | Sonoble Operating, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jun 2003 |
| 27156 | Sonoma Energy Corporation | Park City, UT 84068 | Oil & Gas Operator | Feb 2010 |
| 27157 | Sonoma Resources LLC | Andover, KS 67002 | Oil & Gas Operator | Jun 2025 |
| 27158 | Sonora Petroleum Corp. | Austin, TX 78734 | Oil & Gas Operator | Nov 2025 |
| 27159 | Sonora Producing, Inc. | | Oil & Gas Operator | May 2006 |
| 27160 | Sonoran Energy Inc. | Addison, TX 75001 | Oil & Gas Operator | Nov 2025 |
| 27161 | Sonterra Energy LLC | Wichita, KS 67226 | Oil & Gas Operator | Jul 2022 |
| 27162 | Sonterra Oil & Gas, Inc. | Wichita, KS 67217 | Oil & Gas Operator | Nov 2025 |
| 27163 | Sonterra Operating, Inc. | Houston, TX 77060 | Oil & Gas Operator | Nov 2025 |
| 27164 | Sooner Acquisition Corp | Wichita, KS 67206 | Oil & Gas Operator | Sep 1993 |
| 27165 | Sooner Corp | | Oil & Gas Operator | Oct 1990 |
| 27166 | Sooner Crude Inc | Tulsa, OK 74136-9107 | Oil & Gas Operator | Sep 2008 |
| 27167 | Sooner Drilling Inc | Shawnee, OK 74802-0037 | Oil & Gas Operator | Jan 2005 |
| 27168 | Sooner Energy LLC | Norman, OK 73069 | Oil & Gas Operator | Sep 2005 |
| 27169 | Sooner Exploration & Development Co Inc | Enid, OK 73702-3525 | Oil & Gas Operator | Oct 2023 |
| 27170 | Sooner Oil & Gas LLC | Fairview, OK 73737-1806 | Oil & Gas Operator | Aug 2025 |
| 27171 | Sooner Oil & Gas Management Inc | Crescent, OK 73028 | Oil & Gas Operator | Jul 2025 |
| 27172 | Sooner Oilfield Services Inc | Piedmont, OK 73078-0810 | Oil & Gas Operator | May 2024 |
| 27173 | Sooner Operating Co Inc | Casper, WY 83602 | Oil Operator | Sep 2025 |
| 27174 | Sooner Pipe & Supply Corp | | Oil & Gas Operator | Nov 2004 |
| 27175 | Sooner Resources, Inc. | | Oil & Gas Operator | Mar 1987 |
| 27176 | Sooner Trend Exploration Inc | Kingfisher, OK 73750-4752 | Oil & Gas Operator | Dec 2015 |
| 27177 | Sopac Exploration Inc | Drumright, OK 74030 | Oil & Gas Operator | Jun 1993 |
| 27178 | Soper Production | | Oil & Gas Operator | Dec 2011 |
| 27179 | Sorensen, Kim A. | Abbyville, KS 67510 | Oil Operator | Mar 2025 |
| 27180 | Sorrels J R Dba Cheyenne Oil Properties | Ponca City, OK 74601 | Oil & Gas Operator | Jul 2022 |
| 27181 | Sorto, Peters God | Somerset, TX 78069 | Oil Operator | Nov 2025 |
| 27182 | Soto Inc. | Ozona, TX 76943 | Oil & Gas Operator | Aug 2020 |
| 27183 | Sotol Energy, Inc. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2025 |
| 27184 | Sotrana-Texas Corp. | | Oil & Gas Operator | Oct 1984 |
| 27185 | Sotta, Donald E. | McCune, KS 66753 | Oil Operator | Dec 2024 |
| 27186 | Soule, Gilbert A. | Madison, KS 66860 | Oil Operator | Jan 2002 |
| 27187 | Soule, Richard A. | Eureka, KS 67045 | Oil Operator | Sep 2019 |
| 27188 | Sound Energy Co Inc | Dover, OH 44622 | Oil & Gas Operator | Jun 2025 |
| 27189 | Sound Resources Corporation | | Oil & Gas Operator | Dec 2003 |
| 27190 | Sounion Petroleum Incorporated | Baltimore, MD 21218 | Oil & Gas Operator | Aug 1994 |
| 27191 | Source Energy Corp. | | Gas Operator | Aug 2022 |
| 27192 | Source Energy Midcon LLC | Highlands Ranch, CO 80129 | Oil Operator | Jul 2015 |
| 27193 | Source Petroleum | Wichita, KS 67202 | Oil & Gas Operator | Oct 1993 |
| 27194 | Source Petroleum Inc. | San Antonio, TX 78265 | Oil & Gas Operator | Nov 2025 |
| 27195 | Sours Thomas J | Sharon Center, OH 44274 | Oil & Gas Operator | Dec 2022 |
| 27196 | South Bay Oil Corporation | Wichita, KS 67202 | Oil Operator | Dec 2019 |
| 27197 | South Bay Resources, L.L.C. | San Antonio, TX 78209 | Oil & Gas Operator | Nov 2025 |
| 27198 | South Burbank Petroleum Corporation | Midland, TX 79707-9027 | Oil Operator | Feb 2010 |
| 27199 | South Carlton Operating Company, LLC | Natchez, MS 39121 | Oil Operator | Jul 2025 |
| 27200 | South Central Oil And Gas | | Oil & Gas Operator | Feb 2014 |