| 26301 | Schievelbein, Bryan O. | Seguin, TX 78155 | Oil & Gas Operator | Dec 2025 |
| 26302 | Schiff & Jackson Oil Producers | Dallas, TX 75206 | Oil & Gas Operator | Aug 2025 |
| 26303 | Schiff, H. G. & Co. | Dallas, TX 75206 | Oil & Gas Operator | Jul 1993 |
| 26304 | Schindler Oil | | Oil Operator | Dec 2009 |
| 26305 | Schindler Oil, LLC | Madison, KS 66860 | Oil Operator | Jun 2025 |
| 26306 | Schindler, Joe | Madison, KS 66860 | Oil Operator | Jun 2025 |
| 26307 | Schippers Oilfield Services, LLC | Hoxie, KS 67740 | Oil Operator | Jun 2025 |
| 26308 | Schiralli, Bradley L. | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 26309 | Schiralli, Bradley L. And Paffie, Ronald | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 26310 | Schkade & Bullock | San Angelo, TX 76901 | Oil & Gas Operator | Aug 2003 |
| 26311 | Schkade Bros. Operating Company | Abilene, TX 79604 | Oil & Gas Operator | Oct 2021 |
| 26312 | Schkade Exploration | San Angelo, TX 76901 | Oil & Gas Operator | Dec 2025 |
| 26313 | Schkade Production Co. | Abilene, TX 79604 | Oil & Gas Operator | Jul 2020 |
| 26314 | Schkade, Carl E. | Albany, TX 76430 | Oil & Gas Operator | Sep 2009 |
| 26315 | Schkade, Harold | Albany, TX 76430 | Oil & Gas Operator | Aug 2024 |
| 26316 | Schkade, Louis | Albany, TX 76430 | Oil & Gas Operator | Mar 2008 |
| 26317 | Schlachter Operating Corporation | Dallas, TX 75225 | Oil & Gas Operator | Dec 2025 |
| 26318 | Schlachter, David A. | Dallas, TX 75225 | Oil & Gas Operator | Apr 2015 |
| 26319 | Schlachter, David A., Estate Of | Dallas, TX 75225 | Oil & Gas Operator | Jan 2000 |
| 26320 | Schlagal, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2016 |
| 26321 | Schlaikjer A L | | Oil Operator | Feb 1997 |
| 26322 | Schlittler, Willard | Bryson, TX 76427 | Oil & Gas Operator | Dec 2025 |
| 26323 | Schlobohm Starr | | Oil Operator | Dec 1996 |
| 26324 | Schlobohm, Starr F. | Wolfeboro, NH 03894 | Oil Operator | Jul 2004 |
| 26325 | Schlotterbeck Ir | | Oil Operator | Nov 1990 |
| 26326 | Schmeid Ranch, LLC | Hays, KS 67601 | Oil Operator | Jun 2024 |
| 26327 | Schmelzer Mark | Rushville, OH 43150 | Oil & Gas Operator | Dec 2007 |
| 26328 | Schmelzer Maurice | Bremen, OH 43107 | Oil & Gas Operator | Dec 2024 |
| 26329 | Schmelzer Plugging LLC | Bremen, OH 43107 | Oil & Gas Operator | Dec 2024 |
| 26330 | Schmid Properties, Inc. | Hico, TX 76457 | Oil & Gas Operator | Dec 2025 |
| 26331 | Schmidt Construction Services LLC | | Oil Operator | Jun 2025 |
| 26332 | Schmidt Kermit O | | Oil & Gas Operator | Sep 1995 |
| 26333 | Schmidt Production | Rocky Comfort, MT 64861 | Oil Operator | Sep 2015 |
| 26334 | Schmidt, John T., Jr. | Dunkirk, NY 14048 | Gas Operator | Dec 2024 |
| 26335 | Schmidt, Kermit | | Oil & Gas Operator | Dec 2009 |
| 26336 | Schmidt, Norman D. | Galva, KS 67443 | Gas Operator | Oct 1997 |
| 26337 | Schmidt, Terry D. | McPherson, KS 67460 | Oil Operator | Jun 2025 |
| 26338 | Schmidt, Tracy | McPherson, KS 67460 | Oil Operator | Jun 2025 |
| 26339 | Schmitt Carmen I | | Oil Operator | Dec 1996 |
| 26340 | Schmitz, Michael E. | Sherman, NY 14781 | Gas Operator | Dec 2024 |
| 26341 | Schmude And Pangborn Associates | | Oil & Gas Operator | Apr 1993 |
| 26342 | Schmude Oil Co | | Oil & Gas Operator | Mar 2014 |
| 26343 | Schmude Oil Inc | | Oil & Gas Operator | Oct 2025 |
| 26344 | Schneider Edward H | Bridgeville, PA 15017-2165 | Gas Operator | Dec 2024 |
| 26345 | Schneider Energy Services Inc | | Oil & Gas Operator | Jul 2025 |
| 26346 | Schneider Oil Co | | Oil Operator | Oct 1988 |
| 26347 | Schneider Oil Corporation | Broomfield, CO 80020 | Oil & Gas Operator | Aug 2009 |
| 26348 | Schneider, Ernest | Rockdale, TX 76567 | Oil & Gas Operator | Dec 2014 |
| 26349 | Schnell Louis L | | Oil Operator | Dec 2018 |
| 26350 | Schneltz Oil Com | | Oil Operator | May 1992 |
| 26351 | Schonfield Harold Gene | Bristow, OK 74010 | Oil Operator | Mar 2015 |
| 26352 | Schonwald Supply Company | Oklahoma City, OK 73101-1571 | Oil & Gas Operator | May 1999 |
| 26353 | School Creek Corporation | Winfield, KS 67156 | Oil Operator | Jan 2000 |
| 26354 | Schooley Keith A | Enid, OK 73702-0767 | Oil Operator | May 2006 |
| 26355 | Schrader Lawayne | Fort Worth, TX 76135 | Oil Operator | Mar 2019 |
| 26356 | Schrader Willard C | Tionesta, PA 16353-8114 | Oil & Gas Operator | Dec 2024 |
| 26357 | Schrag Oil Co | | Oil & Gas Operator | Jun 2004 |
| 26358 | Schrecengost Fred M | Sligo, PA 16255-0216 | Oil & Gas Operator | Dec 2016 |
| 26359 | Schreiber Oil Co. | | Oil Operator | Dec 2009 |
| 26360 | Schreiber, Donald And Marilyn | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 26361 | Schreiber, Lloyd | Scotland, TX 76379 | Oil & Gas Operator | Dec 2000 |
| 26362 | Schreider & Company, Inc | | Oil & Gas Operator | Jun 2023 |
| 26363 | Schreiner Oil & Gas Inc | Prescott, AZ 86303 | Oil & Gas Operator | Dec 2023 |
| 26364 | Schrimsher Oil & Gas Expl | Orlando, FL 32803 | Oil & Gas Operator | Dec 1992 |
| 26365 | Schroeder Oil Properties | Graham, TX 76450 | Oil & Gas Operator | Jul 2022 |
| 26366 | Schroeder, Donald C | | Oil & Gas Operator | Aug 2025 |
| 26367 | Schuetz, Edna, Ed & Ronald(Deceased) | Coffeyville, KS 67337 | Oil Operator | Nov 2011 |
| 26368 | Schulein Company LLC | Denver, CO 80246 | Oil & Gas Operator | Jun 2025 |
| 26369 | Schulein Robert | | Oil & Gas Operator | Dec 1995 |
| 26370 | Schuler Jr Chris C | Cleveland, OK 74020 | Oil Operator | Aug 2013 |
| 26371 | Schuler Oil Properties LLC | Cleveland, OK 74020 | Oil Operator | Aug 2025 |
| 26372 | Schulte Oil | Garnett, KS 66032 | Oil Operator | Mar 2022 |
| 26373 | Schulte Oil - C | | Oil Operator | Dec 1989 |
| 26374 | Schultheis Oil & Gas | Whipple, OH 45780 | Oil & Gas Operator | Dec 2023 |
| 26375 | Schultz Run Gas Company | | Oil & Gas Operator | Dec 2021 |
| 26376 | Schulz Oil & Gas, Inc. | Canton, KS 67428 | Oil & Gas Operator | Dec 2024 |
| 26377 | Schulz Roger A | | Oil & Gas Operator | Dec 1996 |
| 26378 | Schupp, David And Barbara | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 26379 | Schuster Homes Inc | Rangely, CO 81648 | Oil & Gas Operator | Apr 2013 |
| 26380 | Schutz* Richard E | | Oil Operator | Sep 2025 |
| 26381 | Schwab City Resources | Leggett, TX 77350 | Oil & Gas Operator | Aug 2013 |
| 26382 | Schwanco Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1987 |
| 26383 | Schwartz, Randy L. | West Valley, NY 14171 | Gas Operator | Dec 2024 |
| 26384 | Schweder Richard E | Lakeville, OH 44638 | Oil & Gas Operator | Dec 2009 |
| 26385 | Schweikert, Donna C. | Springville, NY 14141 | Gas Operator | Dec 2024 |
| 26386 | Schwertfeger, Donald E. Oil | Preston, KS 67569 | Oil Operator | Jan 1999 |
| 26387 | Schwien Tank & Lease Service Inc | Bazine, KS 67516 | Oil Operator | May 2000 |
| 26388 | Scimitar Resc Li | | Oil Operator | Oct 1982 |
| 26389 | Scion Energy Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2019 |
| 26390 | Scissortail Energy LLC | Tulsa, OK 74137-3644 | Oil & Gas Operator | Aug 2025 |
| 26391 | Scissortail Exploration And Production LLC | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2025 |
| 26392 | Sco Permian, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Oct 2025 |
| 26393 | Scoggins Oil & Gas Co. | Seabrook, TX 77586 | Oil & Gas Operator | Jun 2000 |
| 26394 | Scoggins Production Company | Cleo Springs, OK 73729-9732 | Oil & Gas Operator | May 2022 |
| 26395 | Scoggins Production LLC | Enid, OK 73703-3002 | Oil & Gas Operator | Sep 2025 |
| 26396 | Scogin Exploration Inc | | Oil & Gas Operator | Dec 1999 |
| 26397 | Scope Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2003 |
| 26398 | Scorpio Energy Inc | Sheffield, PA 16347-0929 | Oil & Gas Operator | Dec 2024 |
| 26399 | Scorpion Oil & Gas, LLC | Houston, TX 77036 | Oil & Gas Operator | May 2025 |
| 26400 | Scorpion Operating, Inc. | Benavides, TX 78341 | Oil Operator | Dec 2025 |