| 27101 | Space Production Inc. | Monahans, TX 79756 | Oil & Gas Operator | Jul 2026 |
| 27102 | Spacht, James W. & Shelly F | Ripley, NY 14775 | Gas Operator | Dec 2025 |
| 27103 | Spade Energy L.L.C. | Fort Worth, TX 76177 | Oil & Gas Operator | Jul 2026 |
| 27104 | Spain Oil Company | Somerset, TX 78069 | Oil & Gas Operator | Jul 2026 |
| 27105 | Spalding Energy, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jul 2026 |
| 27106 | Spalsbury, Arthur L | Hays, KS 67601 | Oil Operator | Aug 2001 |
| 27107 | Spark'S Energy Inc | Perry, OK 73077 | Oil & Gas Operator | Nov 2014 |
| 27108 | Sparkman Rodger E | Jenks, OK 74037-0267 | Oil Operator | Sep 2018 |
| 27109 | Sparks Daniel M | Chickasha, OK 73023-1435 | Oil & Gas Operator | Apr 2014 |
| 27110 | Sparks Greg | Afton, OK 74331 | Oil & Gas Operator | Apr 2026 |
| 27111 | Sparks Harold | Radnor, OH 43066 | Oil & Gas Operator | Dec 1987 |
| 27112 | Sparks Mick Oil Company Inc | Jennings, OK 74038-0250 | Oil & Gas Operator | Apr 2026 |
| 27113 | Sparks Petroleum Company | Oklahoma City, OK 73128 | Oil & Gas Operator | Mar 1998 |
| 27114 | Sparks Resources Inc | Bristow, OK 74010 | Oil & Gas Operator | May 2026 |
| 27115 | Sparks, Pearlman E | Mazie, KY 41160 | Oil Operator | Dec 2015 |
| 27116 | Sparks, Sidney A., Trustee | Alice, TX 78332 | Oil & Gas Operator | Jun 1996 |
| 27117 | Sparlin J L | Oklahoma City, OK 73156-1446 | Oil Operator | Apr 2026 |
| 27118 | Sparrow Oil & Gas LLC | | Oil & Gas Operator | Jun 2026 |
| 27119 | Sparrow Operating LLC | Comanche, OK 73529-9747 | Oil Operator | Apr 2026 |
| 27120 | Sparta Energy Corp | Oak Brook, IL 60521 | Oil & Gas Operator | Dec 1985 |
| 27121 | Sparta Exploration LLC | Houston, TX 77279 | Oil & Gas Operator | Jul 2026 |
| 27122 | Spartagus Corporation | Grand Saline, TX 75140 | Oil & Gas Operator | Sep 2004 |
| 27123 | Spartan Oil Corporation | Abilene, TX 79601 | Oil & Gas Operator | Aug 2003 |
| 27124 | Spartan Operating Company, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Feb 2013 |
| 27125 | Spartan Petroleum Corporation | Houston, TX 77079 | Oil & Gas Operator | Oct 1987 |
| 27126 | Spartan Resource MGMT Corp | Rural Valley, PA 16249-0326 | Gas Operator | Dec 2025 |
| 27127 | Spartan Resources LLC | Oklahoma City, OK 73116 | Oil & Gas Operator | May 2026 |
| 27128 | Spartan Royalties, LLC | | Oil Operator | Dec 2024 |
| 27129 | SPC Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2024 |
| 27130 | Spear Production Company, Inc. | Shreveport, LA 71161 | Oil Operator | Jul 2026 |
| 27131 | Spearco Oil | Electra, TX 76360 | Oil & Gas Operator | Aug 2003 |
| 27132 | Spearpoint Energy LLC | Seminole, OK 74818-1247 | Oil Operator | Jun 2015 |
| 27133 | Spears Terry | Osage, OK 74054 | Oil Operator | Mar 2026 |
| 27134 | Speartex Grain Company | Gruver, TX 79040 | Oil & Gas Operator | Jul 2026 |
| 27135 | Speartip Energy, LLC | Katy, TX 77450 | Oil Operator | Jul 2026 |
| 27136 | Specht Farms | Piqua, KS 66761 | Oil Operator | Nov 2009 |
| 27137 | Specht Oil | Iola, KS 66749 | Oil Operator | Mar 1998 |
| 27138 | Special Energy Corp. | Stillwater, OK 74076 | Oil & Gas Operator | Jul 2026 |
| 27139 | Special JHR Corp | Bridgeville, PA 15017 | Oil & Gas Operator | Jul 2026 |
| 27140 | Specialized Technological Threading, Inc., | | Oil & Gas Operator | Oct 2019 |
| 27141 | Speckle Trout Operating LLC | Diboll, TX 75941 | Oil Operator | Jul 2026 |
| 27142 | Speco Oil Company | | Oil & Gas Operator | Feb 1980 |
| 27143 | Spectral Oil & Gas Corporation | Humble, TX 77338 | Oil Operator | Jul 2026 |
| 27144 | Spectrum Energy Inc | Scottsdale, AZ 85257 | Oil & Gas Operator | Oct 2003 |
| 27145 | Spectrum Field Services Inc | Tulsa, OK 74136-3400 | Oil & Gas Operator | Jan 2004 |
| 27146 | Spectrum Oil Company | Irving, TX 75063 | Oil & Gas Operator | May 2013 |
| 27147 | Spectrum Oil Corporation | Marietta, OH 45750 | Oil & Gas Operator | Dec 1993 |
| 27148 | Spectrum Opco LLC | | Oil & Gas Operator | Nov 2024 |
| 27149 | Speed James F | Ada, OK 74821-1221 | Oil & Gas Operator | Nov 2009 |
| 27150 | Speed, F. Michael, Trustee | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Aug 1998 |
| 27151 | Speedy Well Service | | Oil & Gas Operator | Mar 2026 |
| 27152 | Speegle Oil And Gas Company | Longview, TX 75605 | Oil & Gas Operator | Jul 2026 |
| 27153 | Speer Kenneth G | Seminole, OK 74818-1202 | Oil & Gas Operator | Dec 2001 |
| 27154 | Speir R M Operating Company | Walters, OK 73572-3933 | Oil Operator | Apr 2026 |
| 27155 | Spellbound Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Apr 2026 |
| 27156 | Speller Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Apr 2026 |
| 27157 | Spence Energy Company | Dallas, TX 75360 | Oil & Gas Operator | Jul 2026 |
| 27158 | Spence, Ralph Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2023 |
| 27159 | Spencer Enterprises Dba Hugh Spencer | Smithburg, WV 26436-0000 | Oil & Gas Operator | Dec 2021 |
| 27160 | Spencer Oil Company | Borger, TX 79007 | Oil & Gas Operator | Apr 2026 |
| 27161 | Spencer Oil Company LLC | Bartlesville, OK 74006 | Oil Operator | Jan 2015 |
| 27162 | Spencer Petroleum Corp | Akron, OH 44319 | Oil & Gas Operator | Dec 2000 |
| 27163 | Spencer Resources Inc | Richmond, VA 23225 | Oil & Gas Operator | Dec 1993 |
| 27164 | Spencer-Cloughly Investments Inc | San Marcos, TX 78666 | Oil & Gas Operator | Aug 2002 |
| 27165 | Spenergy Corp. | Midland, TX 79701 | Oil & Gas Operator | Dec 1999 |
| 27166 | Sperry R J | Dallas, TX 75254-8647 | Oil & Gas Operator | Aug 2013 |
| 27167 | Spess Oil Company Inc | Cleveland, OK 74020-4617 | Oil & Gas Operator | May 2026 |
| 27168 | Spess Oil Company, A General Partnership | Cleveland, OK 74020 | Oil & Gas Operator | Mar 2026 |
| 27169 | SPH Development, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2022 |
| 27170 | Spheric Petroleum Inc. | Pikesville, MD 21208 | Oil & Gas Operator | Nov 2006 |
| 27171 | Spi Operations LLC | Midland, TX 79710 | Oil & Gas Operator | Jan 2013 |
| 27172 | Spicer Oil Company, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2008 |
| 27173 | Spicewood Operating Company, LLC | Austin, TX 78746 | Oil & Gas Operator | Jul 2026 |
| 27174 | Spicy Daugx Operators Louisiana LLC | | Oil & Gas Operator | Nov 2024 |
| 27175 | Spike, David C. And Arlene M. | Bloomfield, NY 14469 | Gas Operator | Dec 2025 |
| 27176 | Spikes, Harry | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2000 |
| 27177 | Spiller Oil & Gas Company | Jacksboro, TX 76458 | Oil Operator | Jul 2026 |
| 27178 | Spiller Operating Co., Inc. | Round Rock, TX 78665 | Oil & Gas Operator | May 2015 |
| 27179 | Spiller, H. G. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1993 |
| 27180 | Spiller, J. A. Company | Austin, TX 78735 | Oil & Gas Operator | Jan 2016 |
| 27181 | Spiller, J.A. | Austin, TX 78735 | Oil & Gas Operator | Jan 2016 |
| 27182 | Spiller, Joseph A. | Austin, TX 78746 | Oil & Gas Operator | Oct 1993 |
| 27183 | Spiller, Robert S. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1995 |
| 27184 | Spillers Petroleum, Inc. | | Gas Operator | Mar 2010 |
| 27185 | Spindletop Drilling Co. | Dallas, TX 75230 | Oil & Gas Operator | Jul 2026 |
| 27186 | Spindletop Oil & | | Oil Operator | Jun 1993 |
| 27187 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Jul 2026 |
| 27188 | Spines Explorati | | Oil & Gas Operator | Dec 1990 |
| 27189 | Spinnaker Exploration Co.,L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Nov 2005 |
| 27190 | Spiral Energy Corp. | Midland, TX 79705 | Oil & Gas Operator | Dec 2019 |
| 27191 | Spire Asset Management LLC | Lafayette, CO 80026 | Oil & Gas Operator | May 2026 |
| 27192 | Spire Missouri Inc. | | Oil Operator | May 2022 |
| 27193 | Spire Oil Services LLC | | Oil & Gas Operator | Nov 2020 |
| 27194 | Spirit Energy Inc | Edmond, OK 73034 | Oil & Gas Operator | Apr 1999 |
| 27195 | Spirit Energy L.L.C. | Caddo Mills, TX 75135 | Oil & Gas Operator | Dec 2018 |
| 27196 | Spirit O&G Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Jul 2026 |
| 27197 | Spirit Petroleum Company | | Oil & Gas Operator | Apr 1999 |
| 27198 | Spitfire Energy Group LLC | Oklahoma City, OK 73114-7444 | Oil Operator | Apr 2023 |
| 27199 | Spitfire Partners, LLC | Dallas, TX 75225 | Oil Operator | Jul 2026 |
| 27200 | Spivey, R. L. | Olney, TX 76374 | Oil Operator | Jul 2005 |