| 27001 | Spearpoint Energy LLC | Seminole, OK 74818-1247 | Oil Operator | Jun 2015 |
| 27002 | Spears Terry | Osage, OK 74054 | Oil Operator | Dec 2025 |
| 27003 | Speartex Grain Company | Gruver, TX 79040 | Oil & Gas Operator | Apr 2026 |
| 27004 | Speartip Energy, LLC | Katy, TX 77450 | Oil Operator | Apr 2026 |
| 27005 | Specht Farms | Piqua, KS 66761 | Oil Operator | Nov 2009 |
| 27006 | Specht Oil | Iola, KS 66749 | Oil Operator | Mar 1998 |
| 27007 | Special Energy Corp. | Stillwater, OK 74076 | Oil & Gas Operator | Apr 2026 |
| 27008 | Special JHR Corp | Bridgeville, PA 15017 | Oil & Gas Operator | Apr 2026 |
| 27009 | Specialized Technological Threading, Inc., | | Oil & Gas Operator | Oct 2019 |
| 27010 | Speckle Trout Operating LLC | Houston, TX 77092 | Oil Operator | Apr 2026 |
| 27011 | Speco Oil Company | | Oil & Gas Operator | Feb 1980 |
| 27012 | Spectral Oil & Gas Corporation | Humble, TX 77338 | Oil Operator | Apr 2026 |
| 27013 | Spectrum Energy Inc | Scottsdale, AZ 85257 | Oil & Gas Operator | Oct 2003 |
| 27014 | Spectrum Field Services Inc | Tulsa, OK 74136-3400 | Oil & Gas Operator | Jan 2004 |
| 27015 | Spectrum Oil Company | Irving, TX 75063 | Oil & Gas Operator | May 2013 |
| 27016 | Spectrum Oil Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 27017 | Spectrum Opco LLC | | Oil & Gas Operator | Nov 2024 |
| 27018 | Speed James F | Ada, OK 74821-1221 | Oil & Gas Operator | Nov 2009 |
| 27019 | Speed, F. Michael, Trustee | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Aug 1998 |
| 27020 | Speedy Well Service | | Oil & Gas Operator | Dec 2025 |
| 27021 | Speegle Oil And Gas Company | Longview, TX 75605 | Oil & Gas Operator | Apr 2026 |
| 27022 | Speer Kenneth G | Seminole, OK 74818-1202 | Oil & Gas Operator | Dec 2001 |
| 27023 | Speir R M Operating Company | Walters, OK 73572-3933 | Oil Operator | Dec 2025 |
| 27024 | Spellbound Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 27025 | Speller Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2025 |
| 27026 | Spence Energy Company | Dallas, TX 75360 | Oil & Gas Operator | Apr 2026 |
| 27027 | Spence, Ralph Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2023 |
| 27028 | Spencer Enterprises Dba Hugh Spencer | Smithburg, WV 26436-0000 | Oil & Gas Operator | Dec 2021 |
| 27029 | Spencer Oil Company | Borger, TX 79007 | Oil & Gas Operator | Dec 2025 |
| 27030 | Spencer Oil Company LLC | Bartlesville, OK 74006 | Oil Operator | Jan 2015 |
| 27031 | Spencer Petroleum Corp | Akron, OH 44319 | Oil & Gas Operator | Dec 2000 |
| 27032 | Spencer Resources Inc | Richmond, VA 23225 | Oil & Gas Operator | Dec 1993 |
| 27033 | Spencer-Cloughly Investments Inc | San Marcos, TX 78666 | Oil & Gas Operator | Aug 2002 |
| 27034 | Spenergy Corp. | Midland, TX 79701 | Oil & Gas Operator | Dec 1999 |
| 27035 | Sperry R J | Dallas, TX 75254-8647 | Oil & Gas Operator | Aug 2013 |
| 27036 | Spess Oil Company Inc | Cleveland, OK 74020-4617 | Oil & Gas Operator | Jan 2026 |
| 27037 | Spess Oil Company, A General Partnership | Cleveland, OK 74020 | Oil & Gas Operator | Dec 2025 |
| 27038 | SPH Development, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2022 |
| 27039 | Spheric Petroleum Inc. | Baltimore, MD 21208 | Oil & Gas Operator | Nov 2006 |
| 27040 | Spi Operations LLC | Midland, TX 79710 | Oil & Gas Operator | Jan 2013 |
| 27041 | Spicer Oil Company, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2008 |
| 27042 | Spicewood Operating Company, LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2026 |
| 27043 | Spicy Daugx Operators Louisiana LLC | | Oil & Gas Operator | Nov 2024 |
| 27044 | Spike, David C. And Arlene M. | Bloomfield, NY 14469 | Gas Operator | Dec 2024 |
| 27045 | Spikes, Harry | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2000 |
| 27046 | Spiller Oil & Gas Company | Jacksboro, TX 76458 | Oil Operator | Apr 2026 |
| 27047 | Spiller Operating Co., Inc. | Round Rock, TX 78665 | Oil & Gas Operator | May 2015 |
| 27048 | Spiller, H. G. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1993 |
| 27049 | Spiller, J. A. Company | Austin, TX 78735 | Oil & Gas Operator | Jan 2016 |
| 27050 | Spiller, J.A. | Austin, TX 78735 | Oil & Gas Operator | Jan 2016 |
| 27051 | Spiller, Joseph A. | Austin, TX 78746 | Oil & Gas Operator | Oct 1993 |
| 27052 | Spiller, Robert S. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1995 |
| 27053 | Spillers Petroleum, Inc. | | Gas Operator | Mar 2010 |
| 27054 | Spindletop Drilling Co. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2026 |
| 27055 | Spindletop Oil & | | Oil Operator | Jun 1993 |
| 27056 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2026 |
| 27057 | Spines Explorati | | Oil & Gas Operator | Dec 1990 |
| 27058 | Spinnaker Exploration Co.,L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Nov 2005 |
| 27059 | Spiral Energy Corp. | Midland, TX 79705 | Oil & Gas Operator | Dec 2019 |
| 27060 | Spire Asset Management LLC | Lafayette, CO 80026 | Oil & Gas Operator | Jan 2026 |
| 27061 | Spire Missouri Inc. | | Oil Operator | May 2022 |
| 27062 | Spire Oil Services LLC | | Oil & Gas Operator | Nov 2020 |
| 27063 | Spirit Energy Inc | Edmond, OK 73034 | Oil & Gas Operator | Apr 1999 |
| 27064 | Spirit Energy L.L.C. | Caddo Mills, TX 75135 | Oil & Gas Operator | Dec 2018 |
| 27065 | Spirit O&G Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Apr 2026 |
| 27066 | Spirit Petroleum Company | | Oil & Gas Operator | Apr 1999 |
| 27067 | Spitfire Energy Group LLC | Oklahoma City, OK 73114-7444 | Oil Operator | Apr 2023 |
| 27068 | Spitfire Partners, LLC | Dallas, TX 75225 | Oil Operator | Apr 2026 |
| 27069 | Spivey, R. L. | Olney, TX 76374 | Oil Operator | Jul 2005 |
| 27070 | Spivey, William | Hays, KS 67601 | Oil Operator | Jun 1993 |
| 27071 | Splawn & Splawn | Saint Louis, OK 74866-0098 | Oil & Gas Operator | Mar 2025 |
| 27072 | Splechter, Tim | Yates Center, KS 66783 | Oil Operator | Dec 2025 |
| 27073 | SPN Energy, LLC | Guston, KY 40142 | Gas Operator | Dec 2024 |
| 27074 | Spokane Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 27075 | Sponte Operating, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2026 |
| 27076 | Spoonemore Brothers | Spearman, TX 79081 | Oil & Gas Operator | Nov 2019 |
| 27077 | Spooner & Marlin Expl., Inc. | | Oil & Gas Operator | Mar 1990 |
| 27078 | Spooner Petroleum Company | | Oil & Gas Operator | Jan 2026 |
| 27079 | Spotted Hawk Development, LLC | | Oil & Gas Operator | Feb 2026 |
| 27080 | Spradco, Inc. | Towanda, KS 67144 | Oil Operator | Dec 2025 |
| 27081 | Spragins Ed S | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2026 |
| 27082 | Spragins, Ed | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 27083 | Sprague, Gary L. | Versailles, NY 14168 | Gas Operator | Dec 2024 |
| 27084 | Spri Oil & Gas, LLC | Houston, TX 77090 | Oil & Gas Operator | Mar 2020 |
| 27085 | Spring Creek Farm And Oil, LLC | Bixby, OK 74008 | Oil Operator | Jun 2025 |
| 27086 | Spring Industries Inc | Wellington, FL 33414 | Oil & Gas Operator | Dec 2016 |
| 27087 | Spring Operating Company | Edmond, OK 73034 | Oil & Gas Operator | Jan 2026 |
| 27088 | Spring Resources, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2007 |
| 27089 | Spring Tide Petroleum Inc | Broken Arrow, OK 74011-6651 | Oil & Gas Operator | Oct 2025 |
| 27090 | Spring Tree Management LC | Abilene, TX 79604 | Oil Operator | May 2013 |
| 27091 | Spring Valley Development Co LLC | Centennial, CO 80014 | Oil & Gas Operator | Jan 2026 |
| 27092 | Spring Valley Oil & Gas Inc | Drummond, OK 73735 | Oil & Gas Operator | Jan 2026 |
| 27093 | Spring, Harry A. | Ardmore, OK 73401 | Oil Operator | Jul 2012 |
| 27094 | Springer Energy Company, LLC | Akron, OH 44313 | Oil & Gas Operator | Dec 2024 |
| 27095 | Springer, Lee A. | Independence, KS 67301 | Oil Operator | May 2014 |
| 27096 | Springfield Oil Services, Inc. | Mamaroneck, NY 10543 | Oil & Gas Operator | Apr 2026 |
| 27097 | Springs, Jesse | Luling, TX 78648 | Oil & Gas Operator | Jun 1998 |
| 27098 | Springville-Griffith Institute Central School Dist | Springville, NY 14141 | Gas Operator | Dec 2024 |
| 27099 | Sproul, C. R. Inc. | Eldorado, TX 76936 | Oil & Gas Operator | Aug 2000 |
| 27100 | Spruiell Drilling Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | Apr 2026 |