| 26101 | Schkade, Louis | Albany, TX 76430 | Oil & Gas Operator | Mar 2008 |
| 26102 | Schlachter Operating Corporation | Dallas, TX 75225 | Oil & Gas Operator | Jul 2025 |
| 26103 | Schlachter, David A. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2015 |
| 26104 | Schlachter, David A., Estate Of | Dallas, TX 75225 | Oil & Gas Operator | Jan 2000 |
| 26105 | Schlagal, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2016 |
| 26106 | Schlaikjer A L | | Oil Operator | Feb 1997 |
| 26107 | Schlittler, Willard | Bryson, TX 76427 | Oil & Gas Operator | Jul 2025 |
| 26108 | Schlobohm Starr | | Oil Operator | Dec 1996 |
| 26109 | Schlobohm, Starr F. | Wolfeboro, NH 03894 | Oil Operator | Jul 2004 |
| 26110 | Schlotterbeck Ir | | Oil Operator | Nov 1990 |
| 26111 | Schmeid Ranch, LLC | Hays, KS 67601 | Oil Operator | Jun 2024 |
| 26112 | Schmelzer Mark | Rushville, OH 43150 | Oil & Gas Operator | Dec 2007 |
| 26113 | Schmelzer Maurice | Bremen, OH 43107 | Oil & Gas Operator | Dec 2024 |
| 26114 | Schmelzer Plugging LLC | Bremen, OH 43107 | Oil & Gas Operator | Dec 2024 |
| 26115 | Schmid Properties Inc | Hico, TX 76457 | Oil & Gas Operator | Jul 2025 |
| 26116 | Schmidt Construction Services LLC | | Oil Operator | Mar 2025 |
| 26117 | Schmidt Kermit O | | Oil & Gas Operator | Sep 1995 |
| 26118 | Schmidt Production | Rocky Comfort, MT 64861 | Oil Operator | Sep 2015 |
| 26119 | Schmidt, John T., Jr. | Dunkirk, NY 14048 | Gas Operator | Dec 2024 |
| 26120 | Schmidt, Kermit | | Oil & Gas Operator | Dec 2009 |
| 26121 | Schmidt, Norman D. | Galva, KS 67443 | Gas Operator | Oct 1997 |
| 26122 | Schmidt, Terry D. | McPherson, KS 67460 | Oil Operator | Mar 2025 |
| 26123 | Schmidt, Tracy | McPherson, KS 67460 | Oil Operator | Mar 2025 |
| 26124 | Schmitt Carmen I | | Oil Operator | Dec 1996 |
| 26125 | Schmude And Pangborn Associates | | Oil & Gas Operator | Apr 1993 |
| 26126 | Schmude Oil Co | | Oil & Gas Operator | Mar 2014 |
| 26127 | Schmude Oil Inc | | Oil & Gas Operator | Jun 2025 |
| 26128 | Schneider Edward H | Bridgeville, PA 15017-2165 | Gas Operator | Dec 2024 |
| 26129 | Schneider Energy Services Inc | | Oil & Gas Operator | Apr 2025 |
| 26130 | Schneider Oil Co | | Oil Operator | Oct 1988 |
| 26131 | Schneider Oil Corporation | Broomfield, CO 80020 | Oil & Gas Operator | Aug 2009 |
| 26132 | Schneider, Ernest | Rockdale, TX 76567 | Oil & Gas Operator | Dec 2014 |
| 26133 | Schnell Louis L | | Oil Operator | Dec 2018 |
| 26134 | Schneltz Oil Com | | Oil Operator | May 1992 |
| 26135 | Schonfield Harold Gene | Bristow, OK 74010 | Oil Operator | Mar 2015 |
| 26136 | Schonwald Supply Company | Oklahoma City, OK 73101-1571 | Oil & Gas Operator | May 1999 |
| 26137 | School Creek Corporation | Winfield, KS 67156 | Oil Operator | Jan 2000 |
| 26138 | Schooley Keith A | Enid, OK 73702-0767 | Oil Operator | May 2006 |
| 26139 | Schrader Lawayne | Fort Worth, TX 76135 | Oil Operator | Mar 2019 |
| 26140 | Schrader Willard C | Tionesta, PA 16353-8114 | Oil & Gas Operator | Dec 2024 |
| 26141 | Schrag Oil Co | | Oil & Gas Operator | Jun 2004 |
| 26142 | Schrecengost Fred M | Sligo, PA 16255-0216 | Oil & Gas Operator | Dec 2016 |
| 26143 | Schreiber Oil Co. | | Oil Operator | Dec 2009 |
| 26144 | Schreiber, Donald And Marilyn | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 26145 | Schreiber, Lloyd | Scotland, TX 76379 | Oil & Gas Operator | Dec 2000 |
| 26146 | Schreider & Company, Inc | | Oil & Gas Operator | Jun 2023 |
| 26147 | Schreiner Oil & Gas Inc | Prescott, AZ 86303 | Oil & Gas Operator | Dec 2023 |
| 26148 | Schrimsher Oil & Gas Expl | Orlando, FL 32803 | Oil & Gas Operator | Dec 1992 |
| 26149 | Schroeder Oil Properties | Graham, TX 76450 | Oil & Gas Operator | Jul 2022 |
| 26150 | Schroeder, Donald C | | Oil & Gas Operator | Mar 2025 |
| 26151 | Schuetz, Edna, Ed & Ronald(Deceased) | Coffeyville, KS 67337 | Oil Operator | Nov 2011 |
| 26152 | Schuh And Associates | | Gas Operator | Feb 2000 |
| 26153 | Schulein Company LLC | Denver, CO 80246 | Oil & Gas Operator | Mar 2025 |
| 26154 | Schulein Robert | | Oil & Gas Operator | Dec 1995 |
| 26155 | Schuler Jr Chris C | Cleveland, OK 74020 | Oil Operator | Aug 2013 |
| 26156 | Schuler Oil Properties LLC | Cleveland, OK 74020 | Oil Operator | Apr 2025 |
| 26157 | Schulte Oil | Garnett, KS 66032 | Oil Operator | Mar 2022 |
| 26158 | Schulte Oil - C | | Oil Operator | Dec 1989 |
| 26159 | Schultheis Oil & Gas | Whipple, OH 45780 | Oil & Gas Operator | Dec 2023 |
| 26160 | Schultz Run Gas Company | | Oil & Gas Operator | Dec 2021 |
| 26161 | Schulz Oil & Gas, Inc. | Canton, KS 67428 | Oil & Gas Operator | Dec 2024 |
| 26162 | Schulz Roger A | | Oil & Gas Operator | Dec 1996 |
| 26163 | Schupp, David And Barbara | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 26164 | Schuster Homes Inc | Rangely, CO 81648 | Oil & Gas Operator | Apr 2013 |
| 26165 | Schutz* Richard E | | Oil Operator | May 2025 |
| 26166 | Schwab City Resources | Leggett, TX 77350 | Oil & Gas Operator | Aug 2013 |
| 26167 | Schwanco Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1987 |
| 26168 | Schwartz, Randy L. | West Valley, NY 14171 | Gas Operator | Dec 2024 |
| 26169 | Schweder Richard E | Lakeville, OH 44638 | Oil & Gas Operator | Dec 2009 |
| 26170 | Schweikert, Donna C. | Springville, NY 14141 | Gas Operator | Dec 2024 |
| 26171 | Schwertfeger, Donald E. Oil | Preston, KS 67569 | Oil Operator | Jan 1999 |
| 26172 | Schwien Tank & Lease Service Inc | Bazine, KS 67516 | Oil Operator | May 2000 |
| 26173 | Scimitar Resc Li | | Oil Operator | Oct 1982 |
| 26174 | Scion Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2019 |
| 26175 | Scissortail Energy LLC | Tulsa, OK 74137-3644 | Oil & Gas Operator | Feb 2015 |
| 26176 | Scissortail Exploration And Production LLC | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2025 |
| 26177 | Sco Permian, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Jun 2025 |
| 26178 | Scoggins Oil & Gas Co. | Seabrook, TX 77586 | Oil & Gas Operator | Jun 2000 |
| 26179 | Scoggins Production Company | Cleo Springs, OK 73729-9732 | Oil & Gas Operator | May 2022 |
| 26180 | Scoggins Production LLC | Enid, OK 73703-3002 | Oil & Gas Operator | May 2025 |
| 26181 | Scogin Exploration Inc | | Oil & Gas Operator | Dec 1999 |
| 26182 | Scope Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2003 |
| 26183 | Scorpio Energy Inc | Sheffield, PA 16347-0929 | Oil & Gas Operator | Dec 2024 |
| 26184 | Scorpion Oil & Gas, LLC | Houston, TX 77036 | Oil & Gas Operator | May 2025 |
| 26185 | Scorpion Operating, Inc. | Benavides, TX 78341 | Oil Operator | Jul 2025 |
| 26186 | Scott | Cisco, TX 76437 | Oil & Gas Operator | Jul 2003 |
| 26187 | Scott Banes Scott Family Partnership | | Oil Operator | Mar 2025 |
| 26188 | Scott Branson | Carlsbad, NM 88221 | Oil & Gas Operator | Oct 2017 |
| 26189 | Scott Oil Company | Corsicana, TX 75110 | Oil & Gas Operator | Apr 2011 |
| 26190 | Scott Operating, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jul 2025 |
| 26191 | Scott Petroleum, Inc. | Dallas, TX 75244 | Oil & Gas Operator | May 1995 |
| 26192 | Scott Services LLC | Plainville, KS 67663 | Oil Operator | Mar 2025 |
| 26193 | Scott SR Kermit | Okarche, OK 73762 | Oil & Gas Operator | Mar 2015 |
| 26194 | Scott W. Brumley | | Oil Operator | Apr 2011 |
| 26195 | Scott Wayne Oil Co | Haxton, CO 80731 | Oil & Gas Operator | Apr 2020 |
| 26196 | Scott'S Peek 'N Peak, LLC | Erie, PA 16509 | Gas Operator | Dec 2024 |
| 26197 | Scott'S Production, LLC | Roxbury, KS 67476 | Oil Operator | Mar 2025 |
| 26198 | Scott'S Well Service Inc | Roxbury, KS 67476 | Oil Operator | Nov 2012 |
| 26199 | Scott, Stephen | Olney, TX 76374 | Oil Operator | Oct 2011 |
| 26200 | Scott, Steve Engineering | Midland, TX 79710 | Oil & Gas Operator | Apr 2005 |