| 27701 | Spellbound Energy LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2025 |
| 27702 | Speller Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 2025 |
| 27703 | Spence Energy Company | Dallas, TX 75360 | Oil & Gas Operator | May 2025 |
| 27704 | Spence, Ralph Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2023 |
| 27705 | Spencer Enterprises Dba Hugh Spencer | Smithburg, WV 26436-0000 | Oil & Gas Operator | Dec 2021 |
| 27706 | Spencer Kevin LLC | Drumright, OK 74030-5825 | Oil & Gas Operator | Sep 2019 |
| 27707 | Spencer Oil Company | Borger, TX 79007 | Oil & Gas Operator | Feb 2025 |
| 27708 | Spencer Oil Company LLC | Bartlesville, OK 74006 | Oil Operator | Jan 2015 |
| 27709 | Spencer Petroleum Corp | Akron, OH 44319 | Oil & Gas Operator | Dec 2000 |
| 27710 | Spencer Resources Inc | Richmond, VA 23225 | Oil & Gas Operator | Dec 1993 |
| 27711 | Spencer-Cloughly Investments Inc | San Marcos, TX 78666 | Oil & Gas Operator | Aug 2002 |
| 27712 | Spenergy Corp. | Midland, TX 79701 | Oil & Gas Operator | Dec 1999 |
| 27713 | Sperry R J | Dallas, TX 75254-8647 | Oil & Gas Operator | Aug 2013 |
| 27714 | Spess Oil Company Inc | Cleveland, OK 74020-4617 | Oil & Gas Operator | Mar 2025 |
| 27715 | Spess Oil Company, A General Partnership | Cleveland, OK 74020 | Oil & Gas Operator | Jan 2025 |
| 27716 | SPH Development, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2022 |
| 27717 | Spheric Petroleum Inc. | Baltimore, MD 21208 | Oil & Gas Operator | Nov 2006 |
| 27718 | Spi Operations LLC | Midland, TX 79710 | Oil & Gas Operator | Jan 2013 |
| 27719 | Spicer Oil Company, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2008 |
| 27720 | Spicewood Operating Company, LLC | Austin, TX 78746 | Oil & Gas Operator | May 2025 |
| 27721 | Spicknall Enterprises | Amarillo, TX 79124 | Oil & Gas Operator | May 1998 |
| 27722 | Spicy Daugx Operators Louisiana LLC | | Oil & Gas Operator | Nov 2024 |
| 27723 | Spike, David C. And Arlene M. | Bloomfield, NY 14469 | Gas Operator | Dec 2023 |
| 27724 | Spikes, Harry | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2000 |
| 27725 | Spiller Oil & Gas Company | Jacksboro, TX 76458 | Oil Operator | May 2025 |
| 27726 | Spiller Operating Co., Inc. | Round Rock, TX 78665 | Oil & Gas Operator | May 2015 |
| 27727 | Spiller, H. G. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1993 |
| 27728 | Spiller, J. A. Company | Austin, TX 78735 | Oil & Gas Operator | Jan 2016 |
| 27729 | Spiller, J.A. | Austin, TX 78735 | Oil & Gas Operator | Jan 2016 |
| 27730 | Spiller, Joseph A. | Austin, TX 78746 | Oil & Gas Operator | Oct 1993 |
| 27731 | Spiller, Robert S. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1995 |
| 27732 | Spillers Petroleum, Inc. | | Gas Operator | Mar 2010 |
| 27733 | Spindletop Drilling Co. | Dallas, TX 75230 | Oil & Gas Operator | May 2025 |
| 27734 | Spindletop Oil & | | Oil Operator | Jun 1993 |
| 27735 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | May 2025 |
| 27736 | Spines Explorati | | Oil & Gas Operator | Dec 1990 |
| 27737 | Spinnaker Exploration Co.,L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Nov 2005 |
| 27738 | Spiral Energy Corp. | Midland, TX 79705 | Oil & Gas Operator | Dec 2019 |
| 27739 | Spire Missouri Inc. | | Oil Operator | May 2022 |
| 27740 | Spire Oil Services LLC | | Oil & Gas Operator | Nov 2020 |
| 27741 | Spirit Energy Inc | Edmond, OK 73034 | Oil & Gas Operator | Apr 1999 |
| 27742 | Spirit Energy L.L.C. | Caddo Mills, TX 75135 | Oil & Gas Operator | Dec 2018 |
| 27743 | Spirit O&G Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | May 2025 |
| 27744 | Spirit Petroleum Company | | Oil & Gas Operator | Apr 1999 |
| 27745 | Spitfire Energy Group LLC | Oklahoma City, OK 73114-7444 | Oil Operator | Apr 2023 |
| 27746 | Spitfire Partners, LLC | Dallas, TX 75225 | Oil Operator | May 2025 |
| 27747 | Spivey, R. L. | Olney, TX 76374 | Oil Operator | Jul 2005 |
| 27748 | Spivey, William | Hays, KS 67601 | Oil Operator | Jun 1993 |
| 27749 | Splawn & Splawn | Saint Louis, OK 74866-0098 | Oil & Gas Operator | Mar 2025 |
| 27750 | Splechter, Tim | Yates Center, KS 66783 | Oil Operator | Jan 2025 |
| 27751 | SPN Energy, LLC | Guston, KY 40142 | Gas Operator | Dec 2023 |
| 27752 | Spokane Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 27753 | Sponte Operating, Inc. | Dallas, TX 75313 | Oil & Gas Operator | May 2025 |
| 27754 | Spoonemore Brothers | Spearman, TX 79081 | Oil & Gas Operator | Nov 2019 |
| 27755 | Spooner & Marlin Expl., Inc. | | Oil & Gas Operator | Mar 1990 |
| 27756 | Spooner Petroleum Company | | Oil & Gas Operator | Feb 2025 |
| 27757 | Sportsman Oil, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Nov 1998 |
| 27758 | Spotted Hawk Development, LLC | | Oil & Gas Operator | Mar 2025 |
| 27759 | Spradco, Inc. | Towanda, KS 67144 | Oil Operator | Jan 2025 |
| 27760 | Spragins Ed S | Wichita Falls, TX 76308 | Oil & Gas Operator | Mar 2025 |
| 27761 | Spragins, Ed | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2025 |
| 27762 | Sprague, Gary L. | Versailles, NY 14168 | Gas Operator | Dec 2023 |
| 27763 | Spri Oil & Gas, LLC | Houston, TX 77090 | Oil & Gas Operator | Mar 2020 |
| 27764 | Spring Creek Farm And Oil, LLC | Bixby, OK 74008 | Oil Operator | Sep 2022 |
| 27765 | Spring Industries Inc | Wellington, FL 33414 | Oil & Gas Operator | Dec 2016 |
| 27766 | Spring Operating Company | Edmond, OK 73034 | Oil & Gas Operator | Mar 2025 |
| 27767 | Spring Resources, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2007 |
| 27768 | Spring Tide Petroleum Inc | Broken Arrow, OK 74011-6651 | Oil & Gas Operator | Nov 2024 |
| 27769 | Spring Tree Management LC | Abilene, TX 79604 | Oil Operator | May 2013 |
| 27770 | Spring Valley Development Co LLC | Centennial, CO 80014 | Oil & Gas Operator | Feb 2025 |
| 27771 | Spring Valley Oil & Gas Inc | Drummond, OK 73735 | Oil & Gas Operator | Mar 2025 |
| 27772 | Spring, Harry A. | Ardmore, OK 73401 | Oil Operator | Jul 2012 |
| 27773 | Springer Energy Company, LLC | Akron, OH 44313 | Oil & Gas Operator | Dec 2024 |
| 27774 | Springer, Lee A. | Independence, KS 67301 | Oil Operator | May 2014 |
| 27775 | Springfield Oil Services, Inc. | Mamaroneck, NY 10543 | Oil & Gas Operator | May 2025 |
| 27776 | Springs, Jesse | Luling, TX 78648 | Oil & Gas Operator | Jun 1998 |
| 27777 | Springville-Griffith Institute Central School Dist | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 27778 | Sproul, C. R. Inc. | Eldorado, TX 76936 | Oil & Gas Operator | Aug 2000 |
| 27779 | Spruiell Drilling Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | May 2025 |
| 27780 | SPS, Inc. | Cheney, KS 67025 | Oil & Gas Operator | Jan 2025 |
| 27781 | Spur Energy | Midland, TX 79708 | Oil & Gas Operator | Mar 1996 |
| 27782 | Spur Energy Partners LLC | Houston, TX 77024 | Oil & Gas Operator | Mar 2025 |
| 27783 | Spur Operating Co. | Austin, TX 78701 | Oil & Gas Operator | May 2025 |
| 27784 | Spurgeon William Allan | Nowata, OK 74048-9713 | Oil Operator | Feb 2010 |
| 27785 | Spurgeon William C & Tammy D | Hominy, OK 74035 | Oil & Gas Operator | Feb 2025 |
| 27786 | Spyglass Cedar Creek, LP | | Gas Operator | Jul 2012 |
| 27787 | Spyglass Oil & Gas LLC | | Oil & Gas Operator | Dec 2024 |
| 27788 | Square Mile Energy, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | May 2025 |
| 27789 | Square One Corporation | Giddings, TX 78942 | Oil & Gas Operator | Dec 2012 |
| 27790 | Square One Energy, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Oct 2015 |
| 27791 | Squaw Mountain Oil, LLC | Jacksboro, TX 76458 | Oil Operator | May 2025 |
| 27792 | Squirrel Oil & Gas Inc | Tonkawa, OK 74653 | Oil & Gas Operator | Mar 2022 |
| 27793 | Squyres Oil Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 2024 |
| 27794 | SR Production Corp. | Liberty, TX 77575 | Oil & Gas Operator | Mar 2010 |
| 27795 | Sram Oil Incorporated | Winfield, KS 67156 | Oil & Gas Operator | Aug 2005 |
| 27796 | SRG Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 1994 |
| 27797 | SRP Production Corp. | | Oil & Gas Operator | Nov 1997 |
| 27798 | SRS Properties, LLC | Whitehouse, TX 75791 | Oil & Gas Operator | May 2025 |
| 27799 | SRV Oil Co | Coleman, TX 76834 | Oil Operator | May 2025 |
| 27800 | SRW Operating LLC | Duncan, OK 73534-2087 | Oil & Gas Operator | Sep 2014 |