| 26101 | Seven To One Oil & Gas LLC | Magnolia, OH 44643 | Oil & Gas Operator | Dec 2025 |
| 26102 | Seven Wells Oil & Gas Expl. | Abilene, TX 79601 | Oil & Gas Operator | Jun 2014 |
| 26103 | Seventh Corporation The | Oklahoma City, OK 73107 | Oil & Gas Operator | May 2006 |
| 26104 | Seventy Oil Co. | Freer, TX 78357 | Oil & Gas Operator | Mar 2002 |
| 26105 | Sevenx, LLC | Iowa Park, TX 76367 | Oil Operator | Jul 2026 |
| 26106 | Severtson, James C. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2025 |
| 26107 | Sevitski & Associates Inc | Pryor, OK 74361 | Oil & Gas Operator | Dec 2000 |
| 26108 | Sexton Oil Company | Camden, AR 71701 | Oil Operator | Jan 2025 |
| 26109 | Seydell, E. Morris | Wichita Falls, TX 76307 | Oil Operator | Feb 1993 |
| 26110 | Seymour Oil Co Inc | Edmond, OK 73025 | Oil & Gas Operator | Jul 2011 |
| 26111 | Seymour, James & Lorraine | Cut Bank, MT 59427 | Oil Operator | Jul 2022 |
| 26112 | SF Resources Inc | Houston, TX 77040 | Oil Operator | Jul 2026 |
| 26113 | Sfeop | Midland, TX 79701 | Oil & Gas Operator | Mar 1994 |
| 26114 | SFJV Enterprises, Inc. | Berclair, TX 78107 | Gas Operator | Aug 1998 |
| 26115 | SFM Holdings, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jul 1995 |
| 26116 | SG Interests I LTD | Houston, TX 77007 | Oil & Gas Operator | May 2026 |
| 26117 | SG Interests, Inc. | Houston, TX 77010 | Oil & Gas Operator | Jun 2007 |
| 26118 | SGB Oil LLC | Luling, TX 78648 | Oil Operator | Jul 2026 |
| 26119 | SGP Operating LLC | Dallas, TX 75205 | Oil & Gas Operator | Jul 2026 |
| 26120 | SH Oil Operations LLC | Wichita, KS 67277 | Oil & Gas Operator | Mar 2026 |
| 26121 | Sha Stephens, Incorporated | Weatherford, TX 76087 | Oil & Gas Operator | Apr 2006 |
| 26122 | Sha-Jam Operating Corp. | Midland, TX 79701 | Oil & Gas Operator | Jul 2026 |
| 26123 | Shack, Bill | Albany, TX 76430 | Oil & Gas Operator | Apr 2006 |
| 26124 | Shackelford Oil Co | Midland, TX 79707 | Oil & Gas Operator | May 2026 |
| 26125 | Shackelford,Frank Oil Properties | Midland, TX 79701 | Oil & Gas Operator | Aug 1997 |
| 26126 | Shadawn Corporation | Wichita Falls, TX 76310 | Oil & Gas Operator | Mar 2005 |
| 26127 | Shadco | Worland, WY 82401 | Oil & Gas Operator | Aug 2025 |
| 26128 | Shade Tree Oil C | | Oil Operator | Oct 1987 |
| 26129 | Shadow Wolf Energy LLC | | Oil Operator | May 2026 |
| 26130 | Shadow-Del Oil Company | Kiefer, OK 74041-0453 | Oil & Gas Operator | Jul 2015 |
| 26131 | Shadowpeak Operating LLC | Oklahoma City, OK 73159-6905 | Oil & Gas Operator | Apr 2026 |
| 26132 | Shadrack Production Company | | Gas Operator | Dec 1982 |
| 26133 | Shady Oil Co. | Brownwood, TX 76801 | Oil & Gas Operator | Jul 2026 |
| 26134 | Shafer Berman J | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 26135 | Shafer David Oil Prod Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2000 |
| 26136 | Shaffer Oil Co., Inc. | Burlington, KS 66839 | Oil & Gas Operator | Jul 2001 |
| 26137 | Shaffer Oil Leas | | Oil Operator | May 1993 |
| 26138 | Shag Bark Land And Cattle Co. LLC | Olean, NY 14760 | Oil & Gas Operator | Dec 2021 |
| 26139 | Shahan, Donald Allan | Abilene, TX 79602 | Oil Operator | Jul 2026 |
| 26140 | Shahara Oil LLC | Carlsbad, NM 88220 | Oil & Gas Operator | Oct 2000 |
| 26141 | Shaida, John H. | Wichita, KS 67226 | Oil & Gas Operator | Jul 2026 |
| 26142 | Shakespeare Oil Co Inc | Salem, IL 62881 | Oil & Gas Operator | May 2026 |
| 26143 | Shale Energy International, LLC | | Oil & Gas Operator | Nov 2024 |
| 26144 | Shale Energy LLC | Jeffersonville, KY 40337 | Oil Operator | Dec 2018 |
| 26145 | Shale Gas Production, LLC | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 26146 | Shale Hunter, LLC | Irving, TX 75039 | Oil & Gas Operator | Jan 2016 |
| 26147 | Shale Oil Co., Inc. | Liberty, TX 77575 | Oil & Gas Operator | Jul 2026 |
| 26148 | Shale Operating Co. | Dallas, TX 75356 | Oil & Gas Operator | Jul 2026 |
| 26149 | Shale Properties LLC | Kingfisher, OK 73750 | Oil Operator | Aug 2023 |
| 26150 | Shale Service, Inc. | | Oil & Gas Operator | Apr 2019 |
| 26151 | Shallow Energy Inc | South Dennis, MA 2660 | Oil & Gas Operator | Feb 2025 |
| 26152 | Shallow Production Oper, LLC | Austin, TX 78738 | Oil Operator | Jul 2026 |
| 26153 | Shamrock Minerals Corporation | Merkel, TX 79536 | Oil & Gas Operator | Nov 1998 |
| 26154 | Shamrock Oil Co. | Sugar Land, TX 77478 | Oil & Gas Operator | Mar 2008 |
| 26155 | Shamrock Operating Company LLC | Cleveland, OK 74020 | Oil Operator | Aug 2022 |
| 26156 | Shamrock Texas Partners L.P. | San Angelo, TX 76904 | Oil & Gas Operator | Jul 2026 |
| 26157 | Shamrock Well Operations LLC | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | Apr 2026 |
| 26158 | Shana Petroleum Company | Dallas, TX 75206 | Oil & Gas Operator | Aug 2002 |
| 26159 | Shanafelt Oil Operating, LLC | Jacksboro, TX 76458 | Oil Operator | Jul 2026 |
| 26160 | Shanafelt, Arthur | Jacksboro, TX 76458 | Oil & Gas Operator | May 2003 |
| 26161 | Shanahan Donald P | Ridgedale, MO 65739 | Oil & Gas Operator | Dec 1990 |
| 26162 | Shaner W G | Longmont, CO 80503 | Gas Operator | Dec 2021 |
| 26163 | Shanghai Energy Corporation | Houston, TX 77027 | Oil & Gas Operator | Apr 2003 |
| 26164 | Shanks Drilling & Production Company LLC | Bixby, OK 74008 | Oil & Gas Operator | May 2026 |
| 26165 | Shanks Robert "Bob" | Haskell, OK 74436-8809 | Oil & Gas Operator | Jun 2023 |
| 26166 | Shanks, Bob | Haskell, OK 74436 | Oil Operator | Sep 2002 |
| 26167 | Shannon Corporation Inc | Okmulgee, OK 74447-1323 | Oil & Gas Operator | Mar 2015 |
| 26168 | Shannon Energy | Liberal, KS 67901 | Oil & Gas Operator | Feb 1999 |
| 26169 | Shannon Petroleum Inc | Tulsa, OK 74136-4603 | Oil & Gas Operator | Oct 2016 |
| 26170 | Shannon Williams | | Oil Operator | Jan 1993 |
| 26171 | Shappell Oil Company | Holliday, TX 76366 | Oil & Gas Operator | Sep 2012 |
| 26172 | Shappell Oil Company, L.L.C. | Harrisonburg, LA 71340 | Oil & Gas Operator | Jul 2026 |
| 26173 | Shar Alan Oil Company | | Oil & Gas Operator | Oct 2005 |
| 26174 | Sharber Billy Jack Operating | Konawa, OK 74849-0071 | Oil & Gas Operator | Mar 2015 |
| 26175 | Sharber Don E | Okemah, OK 74859-0322 | Oil Operator | Dec 2018 |
| 26176 | Sharber Production Inc | Konawa, OK 74849 | Oil & Gas Operator | Dec 2024 |
| 26177 | Share Petroleum Corp. | Mabank, TX 75147 | Oil Operator | Jul 2026 |
| 26178 | Sharkey Well Service Inc | | Oil Operator | Dec 2023 |
| 26179 | Sharoco Corporation | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 1996 |
| 26180 | Sharon Hunter Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Sep 2012 |
| 26181 | Sharon Resources | | Oil Operator | Sep 1995 |
| 26182 | Sharon Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Aug 2010 |
| 26183 | Sharp Anthony G | Shawnee, OK 74802-1701 | Oil & Gas Operator | Jul 2003 |
| 26184 | Sharp Engineerin | | Oil Operator | Aug 1995 |
| 26185 | Sharp Image Energy, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Jul 2026 |
| 26186 | Sharp, Cherry L | Jacksboro, TX 76458 | Oil Operator | Jul 2026 |
| 26187 | Sharp, Harry D. | Leawood, KS 66209 | Oil Operator | May 1997 |
| 26188 | Sharp, John T. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2014 |
| 26189 | Sharp, Robert L. &/Or Cindy | | Oil Operator | Nov 2019 |
| 26190 | Sharpe Energy Company | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 26191 | Sharples Phillip T Trust | Denver, CO 80264 | Oil & Gas Operator | Nov 2020 |
| 26192 | Shattuck SWD LLC | Shattuck, OK 73858-0848 | Oil Operator | Mar 2022 |
| 26193 | Shattuck, Frank E. & Carol D. | Eden, NY 14057 | Gas Operator | Dec 2025 |
| 26194 | Shaver Tommy L | Kingfisher, OK 73750-9612 | Oil & Gas Operator | Apr 2015 |
| 26195 | Shaw George R | | Oil & Gas Operator | Mar 1992 |
| 26196 | Shaw Robert Lesl | | Oil Operator | Oct 1989 |
| 26197 | Shaw Thomas P | Tulsa, OK 74105-7327 | Oil & Gas Operator | Mar 2015 |
| 26198 | Shaw, George R. (Deceased) | Wichita, KS 67202 | Gas Operator | Dec 2009 |
| 26199 | Shaw, T. G. Oil Company, LTD. | Fort Worth, TX 76113 | Oil & Gas Operator | Jul 2026 |
| 26200 | Shaw-Laird, LLC | | Oil & Gas Operator | Jan 2017 |