| 27601 | Stronghold Energy II Oper, LLC | Midland, TX 79702 | Oil & Gas Operator | Aug 2022 |
| 27602 | Stroube Energy Corporation | Dallas, TX 75248 | Oil & Gas Operator | Jan 2012 |
| 27603 | Stroube Family Partnership #2 | Corsicana, TX 75151 | Oil Operator | Apr 2026 |
| 27604 | Stroud Energy, LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2006 |
| 27605 | Stroud Oil Properties, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2013 |
| 27606 | Stroud Operating LLC | | Oil & Gas Operator | Dec 2012 |
| 27607 | Stroud Petroleum Company | Oklahoma City, OK 73156-0156 | Oil Operator | Jun 2014 |
| 27608 | Stroud Petroleum, Inc. | Shreveport, LA 71162 | Oil & Gas Operator | Apr 2026 |
| 27609 | Stroud Production LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
| 27610 | Struck Rock Oil And Gas LLC | Geary, OK 73040 | Oil & Gas Operator | Dec 2025 |
| 27611 | Struthers Oil & Gas Corp | Tulsa, OK 74133 | Oil & Gas Operator | Jan 2013 |
| 27612 | Struthoff Energy, L.L.C. | San Antonio, TX 78216 | Oil Operator | Apr 2026 |
| 27613 | Stryker Energy Corp. | Mesquite, TX 75180 | Oil & Gas Operator | Apr 2026 |
| 27614 | Stryker Energy LLC | Mayfield VIllag, OH 44143 | Oil & Gas Operator | Dec 2018 |
| 27615 | STS Petroleum LLC | Houston, TX 77289 | Oil & Gas Operator | Apr 2026 |
| 27616 | Stuart & Barrett | San Angelo, TX 76904 | Gas Operator | Jan 2008 |
| 27617 | Stuart Oil | | Oil Operator | Jan 2025 |
| 27618 | Stuart Oil & Gas | Longview, TX 75606 | Oil & Gas Operator | Apr 2026 |
| 27619 | Stuart Operating, LLC | Ozona, TX 76943 | Oil & Gas Operator | Apr 2026 |
| 27620 | Stubblefield Energy Company | Abilene, TX 79604 | Oil & Gas Operator | Apr 2026 |
| 27621 | Stubbs & Fleming, A General Partnership | Wichita, KS 67202 | Oil Operator | Jul 2005 |
| 27622 | Stubbs Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Aug 1998 |
| 27623 | Stubbs, J. W. | Suwanee, GA 30024 | Oil & Gas Operator | Mar 2008 |
| 27624 | Stuber, VIrgil | Eureka, KS 67045 | Oil Operator | Dec 2019 |
| 27625 | Stucky Oil Compa | | Oil Operator | Mar 1988 |
| 27626 | Stucky, Edward P. | Sabetha, KS 66534 | Oil Operator | May 1992 |
| 27627 | Stucky, Kenneth R. Oil & Gas Operations | Burrton, KS 67020 | Oil & Gas Operator | Aug 2002 |
| 27628 | Studer Oil Co. | Pratt, KS 67124 | Oil Operator | Oct 2019 |
| 27629 | Studer Oil Compa | | Oil & Gas Operator | Feb 1993 |
| 27630 | Studley Resources Corporation | Humble, TX 77347 | Oil & Gas Operator | Dec 1996 |
| 27631 | Studley, Richard | Gowanda, NY 14070 | Gas Operator | Dec 2024 |
| 27632 | Studley, Robert SR. & Robert Jr. | Gowanda, NY 14070 | Gas Operator | Dec 2024 |
| 27633 | Stull Crude Co, LLC | | Oil Operator | Dec 2025 |
| 27634 | Stull Oil LLC | Natoma, KS 67651 | Oil Operator | Dec 2025 |
| 27635 | Stults, Joe K. | Archer City, TX 76351 | Oil & Gas Operator | Mar 2007 |
| 27636 | Stumpff Paul | Bartlesville, OK 74006-3426 | Oil & Gas Operator | Mar 2015 |
| 27637 | Sturgeon Point Development Co | | Gas Operator | Jun 2019 |
| 27638 | Sturman Jay R | Mounds, OK 74047 | Oil & Gas Operator | Aug 2025 |
| 27639 | Stuteville Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Aug 2004 |
| 27640 | Stuteville, Jack | Olney, TX 76374 | Oil Operator | Apr 2026 |
| 27641 | Stydahar Oil & Gas Co. | | Oil & Gas Operator | Dec 2021 |
| 27642 | STZ Petroleum Inc. | Houston, TX 77268 | Oil & Gas Operator | Dec 1997 |
| 27643 | Sub Surface Operations | Brownwood, TX 76804 | Oil & Gas Operator | Apr 2026 |
| 27644 | Sublette Feeders LLC | Sublette, KS 67877 | Gas Operator | Dec 2025 |
| 27645 | Suborp Energy, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Sep 2000 |
| 27646 | Subsea Operating Co. | Albany, TX 76430 | Oil & Gas Operator | Apr 2026 |
| 27647 | Subsurface Energy Corp. | Coleman, TX 76834 | Oil & Gas Operator | Apr 2026 |
| 27648 | Subsurface Energy, Inc. | | Oil & Gas Operator | Oct 2015 |
| 27649 | Subsurface Exploration | Coleman, TX 76834 | Oil & Gas Operator | Apr 2006 |
| 27650 | Subsurface Minerals Group LLC | Tulsa, OK 74119-1635 | Oil & Gas Operator | Jan 2013 |
| 27651 | Subsurface Production, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Apr 2026 |
| 27652 | Subsurface Resources Inc | Logan, UT 84321 | Oil & Gas Operator | Aug 1990 |
| 27653 | Subterranean Energy, LLC | Tyler, TX 75705 | Oil & Gas Operator | Apr 2026 |
| 27654 | Suburban Propane Expl Co, Inc. | | Oil & Gas Operator | Jun 1983 |
| 27655 | Suburban Propane Gas Corp. | | Oil & Gas Operator | Sep 1980 |
| 27656 | Success Oil Company, Inc. | Beverly Hills, CA 90211 | Oil & Gas Operator | Apr 2026 |
| 27657 | Sudberry Mark E Dba Gushing Oil Co | Trophy Club, TX 76262-5531 | Oil Operator | Jan 2020 |
| 27658 | Sue-Ann Operating, L.C. | Victoria, TX 77903 | Oil & Gas Operator | Apr 2026 |
| 27659 | Sue-Ann Production Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
| 27660 | Suemaur Expl. & Prod., LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jun 2024 |
| 27661 | Suemaur Exploration, Inc. | Corpus Chrsti, TX 78470 | Oil & Gas Operator | Mar 2008 |
| 27662 | Suemaur Operating LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2026 |
| 27663 | Suerte Oil & Gas LLC | Caney, KS 67333 | Oil Operator | Mar 2025 |
| 27664 | Suerte Oil Compa | | Oil & Gas Operator | Oct 1995 |
| 27665 | Suerte Oil Company | Howard, KS 67349 | Oil & Gas Operator | Jan 2017 |
| 27666 | Sugar Bowl Gas Corp. | | Oil Operator | Dec 1983 |
| 27667 | Sugar Bowl Industrial Gas Corp | | Oil Operator | Dec 1983 |
| 27668 | Sugar Creek Environmental, LLC | | Oil Operator | Jan 2025 |
| 27669 | Sugar Creek Producing Company | | Oil & Gas Operator | Dec 2010 |
| 27670 | Sugar Creek Producing Company, LLC | | Oil & Gas Operator | Jan 2025 |
| 27671 | Sugar Enterprises, LLC | Tyler, TX 75713 | Oil & Gas Operator | Apr 2026 |
| 27672 | Sugar Oil Company | | Oil & Gas Operator | Feb 2011 |
| 27673 | Sugar Rock Incorporated | | Oil & Gas Operator | Dec 2021 |
| 27674 | Suits & Jeans, LLC | Pampa, TX 79066 | Oil & Gas Operator | Apr 2026 |
| 27675 | Sujen Enterprise | | Oil Operator | Sep 1989 |
| 27676 | Sukay Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 27677 | Sullivan & Clark | Youngsville, PA 16371-0194 | Oil & Gas Operator | Dec 1998 |
| 27678 | Sullivan & Co. | Tulsa, OK 74114 | Oil & Gas Operator | May 2022 |
| 27679 | Sullivan - Wells | Amarillo, TX 79101 | Gas Operator | Apr 2026 |
| 27680 | Sullivan And Company LLC | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2025 |
| 27681 | Sullivan Jesse G | Duncan, OK 73533 | Oil Operator | May 1998 |
| 27682 | Sullivan Nora M | Oklahoma City, OK 73139 | Oil Operator | Jan 1997 |
| 27683 | Sullivan Well Service | | Oil Operator | Mar 2010 |
| 27684 | Sullivan Wesley L | Duncan, OK 73533 | Oil & Gas Operator | Mar 2002 |
| 27685 | Sullivan, Hollis R. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2009 |
| 27686 | Sullivant G W | Oklahoma City, OK 73172-1135 | Oil & Gas Operator | Aug 2001 |
| 27687 | Sulphur River Exploration, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Apr 2026 |
| 27688 | Sultex Oil & Gas Inc | Houston, TX 77059-3126 | Oil & Gas Operator | Aug 2002 |
| 27689 | Summa Engineering Inc | Oklahoma City, OK 73112-3624 | Oil & Gas Operator | Mar 2015 |
| 27690 | Summer Sun Gas, Inc. | Sedan, KS 67361 | Oil & Gas Operator | Dec 2014 |
| 27691 | Summers Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2002 |
| 27692 | Summers, Esther B. | Midland, MI 48640 | Gas Operator | Dec 2024 |
| 27693 | Summit Appalachia Operating Company, LLC | | Gas Operator | Dec 2021 |
| 27694 | Summit Discovery Res II LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2019 |
| 27695 | Summit Energy Company | | Oil & Gas Operator | Mar 2009 |
| 27696 | Summit Energy LLC | | Oil & Gas Operator | Dec 2025 |
| 27697 | Summit Energy,Inc | Littleton, CO 80127 | Oil & Gas Operator | Aug 2013 |
| 27698 | Summit Essexville Inc | | Oil Operator | Dec 2014 |
| 27699 | Summit Exploration (California) LLC | | Oil & Gas Operator | Feb 2018 |
| 27700 | Summit Exploration, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2008 |