| 27901 | STS Petroleum LLC | Houston, TX 77289 | Oil & Gas Operator | Nov 2024 |
| 27902 | Stuart & Barrett | San Angelo, TX 76904 | Gas Operator | Jan 2008 |
| 27903 | Stuart Oil | | Oil Operator | Jul 2024 |
| 27904 | Stuart Oil & Gas | Longview, TX 75606 | Oil & Gas Operator | Nov 2024 |
| 27905 | Stuart Operating, LLC | Ozona, TX 76943 | Oil & Gas Operator | Nov 2024 |
| 27906 | Stubblefield Energy Company | Abilene, TX 79604 | Oil & Gas Operator | Nov 2024 |
| 27907 | Stubbs & Fleming, A General Partnership | Wichita, KS 67202 | Oil Operator | Jul 2005 |
| 27908 | Stubbs Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Aug 1998 |
| 27909 | Stubbs, J. W. | Suwanee, GA 30024 | Oil & Gas Operator | Mar 2008 |
| 27910 | Stuber, VIrgil | Eureka, KS 67045 | Oil Operator | Dec 2019 |
| 27911 | Stucky Oil Compa | | Oil Operator | Mar 1988 |
| 27912 | Stucky, Edward P. | Sabetha, KS 66534 | Oil Operator | May 1992 |
| 27913 | Stucky, Kenneth R. Oil & Gas Operations | Burrton, KS 67020 | Oil & Gas Operator | Aug 2002 |
| 27914 | Studer Oil Co. | Pratt, KS 67124 | Oil Operator | Oct 2019 |
| 27915 | Studer Oil Compa | | Oil & Gas Operator | Feb 1993 |
| 27916 | Studley Resources Corporation | Humble, TX 77347 | Oil & Gas Operator | Dec 1996 |
| 27917 | Studley, Richard | Gowanda, NY 14070 | Gas Operator | Dec 2023 |
| 27918 | Studley, Robert SR. & Robert Jr. | Gowanda, NY 14070 | Gas Operator | Dec 2023 |
| 27919 | Stull Crude Co, LLC | | Oil Operator | Jul 2024 |
| 27920 | Stull Oil LLC | Natoma, KS 67651 | Oil Operator | Jul 2024 |
| 27921 | Stults, Joe K. | Archer City, TX 76351 | Oil & Gas Operator | Mar 2007 |
| 27922 | Stumpff Paul | Bartlesville, OK 74006-3426 | Oil & Gas Operator | Mar 2015 |
| 27923 | Sturgeon Point Development Co | | Gas Operator | Jun 2019 |
| 27924 | Sturman Jay R | Mounds, OK 74047 | Oil & Gas Operator | Apr 2024 |
| 27925 | Stuteville Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Aug 2004 |
| 27926 | Stuteville, Jack | Olney, TX 76374 | Oil Operator | Nov 2024 |
| 27927 | Stydahar Oil & Gas Co. | | Oil & Gas Operator | Dec 2021 |
| 27928 | STZ Petroleum Inc. | Houston, TX 77268 | Oil & Gas Operator | Dec 1997 |
| 27929 | Sub Surface Operations | Brownwood, TX 76804 | Oil & Gas Operator | Nov 2024 |
| 27930 | Sublette Feeders LLC | Sublette, KS 67877 | Gas Operator | Jul 2024 |
| 27931 | Suborp Energy, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Sep 2000 |
| 27932 | Subsea Operating Co. | Albany, TX 76430 | Oil & Gas Operator | Nov 2024 |
| 27933 | Subsurface Energy Corp. | Coleman, TX 76834 | Oil & Gas Operator | Nov 2024 |
| 27934 | Subsurface Energy, Inc. | | Oil & Gas Operator | Oct 2015 |
| 27935 | Subsurface Exploration | Coleman, TX 76834 | Oil & Gas Operator | Apr 2006 |
| 27936 | Subsurface Minerals Group LLC | Tulsa, OK 74119-1635 | Oil & Gas Operator | Jan 2013 |
| 27937 | Subsurface Production, Inc. | Coleman, TX 76834 | Oil & Gas Operator | Nov 2024 |
| 27938 | Subsurface Resources Inc | Logan, UT 84321 | Oil & Gas Operator | Aug 1990 |
| 27939 | Subterranean Energy, LLC | Tyler, TX 75705 | Oil & Gas Operator | Nov 2024 |
| 27940 | Suburban Propane Expl Co, Inc. | | Oil & Gas Operator | Jun 1983 |
| 27941 | Suburban Propane Gas Corp. | | Oil & Gas Operator | Sep 1980 |
| 27942 | Success Oil Company, Inc. | Beverly Hills, CA 90211 | Oil & Gas Operator | Nov 2024 |
| 27943 | Sudberry Mark E Dba Gushing Oil Co | Trophy Club, TX 76262-5531 | Oil Operator | Jan 2020 |
| 27944 | Sue-Ann Operating, L.C. | Victoria, TX 77903 | Oil & Gas Operator | Nov 2024 |
| 27945 | Sue-Ann Production Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
| 27946 | Suemaur Expl. & Prod., LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jun 2024 |
| 27947 | Suemaur Exploration, Inc. | Corpus Chrsti, TX 78470 | Oil & Gas Operator | Mar 2008 |
| 27948 | Suemaur Operating LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Nov 2024 |
| 27949 | Suerte Oil & Gas LLC | Caney, KS 67333 | Oil Operator | Jun 2024 |
| 27950 | Suerte Oil Compa | | Oil & Gas Operator | Oct 1995 |
| 27951 | Suerte Oil Company | Howard, KS 67349 | Oil & Gas Operator | Jan 2017 |
| 27952 | Sugar Bowl Gas Corp. | | Oil Operator | Dec 1983 |
| 27953 | Sugar Bowl Industrial Gas Corp | | Oil Operator | Dec 1983 |
| 27954 | Sugar Creek Environmental, LLC | | Oil Operator | Jul 2024 |
| 27955 | Sugar Creek Producing Company | | Oil & Gas Operator | Dec 2010 |
| 27956 | Sugar Creek Producing Company, LLC | | Oil & Gas Operator | Jul 2024 |
| 27957 | Sugar Enterprises, LLC | Tyler, TX 75713 | Oil & Gas Operator | Nov 2024 |
| 27958 | Sugar Oil Company | | Oil & Gas Operator | Feb 2011 |
| 27959 | Sugar Rock Incorporated | | Oil & Gas Operator | Dec 2021 |
| 27960 | Suits & Jeans, LLC | Pampa, TX 79066 | Oil & Gas Operator | Nov 2024 |
| 27961 | Sujen Enterprise | | Oil Operator | Sep 1989 |
| 27962 | Sukay Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2003 |
| 27963 | Sullivan & Clark | Youngsville, PA 16371-0194 | Oil & Gas Operator | Dec 1998 |
| 27964 | Sullivan & Co. | Tulsa, OK 74114 | Oil & Gas Operator | May 2022 |
| 27965 | Sullivan - Wells | Amarillo, TX 79101 | Gas Operator | Nov 2024 |
| 27966 | Sullivan And Company LLC | Tulsa, OK 74119 | Oil & Gas Operator | Aug 2024 |
| 27967 | Sullivan Jesse G | Duncan, OK 73533 | Oil Operator | May 1998 |
| 27968 | Sullivan Nora M | Oklahoma City, OK 73139 | Oil Operator | Jan 1997 |
| 27969 | Sullivan Well Service | | Oil Operator | Mar 2010 |
| 27970 | Sullivan Wesley L | Duncan, OK 73533 | Oil & Gas Operator | Mar 2002 |
| 27971 | Sullivan, Hollis R. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2009 |
| 27972 | Sullivant G W | Oklahoma City, OK 73172-1135 | Oil & Gas Operator | Aug 2001 |
| 27973 | Sulphur River Exploration, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Nov 2024 |
| 27974 | Sultex Oil & Gas Inc | Houston, TX 77059-3126 | Oil & Gas Operator | Aug 2002 |
| 27975 | Summa Engineering Inc | Oklahoma City, OK 73112-3624 | Oil & Gas Operator | Mar 2015 |
| 27976 | Summer Sun Gas, Inc. | Sedan, KS 67361 | Oil & Gas Operator | Dec 2014 |
| 27977 | Summers Exploration Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2002 |
| 27978 | Summers, Esther B. | Midland, MI 48640 | Gas Operator | Dec 2023 |
| 27979 | Summit Appalachia Operating Company, LLC | | Gas Operator | Dec 2021 |
| 27980 | Summit Discovery Res II LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2019 |
| 27981 | Summit Energy Company | | Oil & Gas Operator | Mar 2009 |
| 27982 | Summit Energy LLC | | Oil & Gas Operator | Sep 2024 |
| 27983 | Summit Energy, Inc. | Littleton, CO 80127 | Oil & Gas Operator | Aug 2013 |
| 27984 | Summit Essexville Inc | | Oil Operator | Dec 2014 |
| 27985 | Summit Exploration (California) LLC | | Oil & Gas Operator | Feb 2018 |
| 27986 | Summit Exploration, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2008 |
| 27987 | Summit Gas LLC | | Oil & Gas Operator | Oct 2011 |
| 27988 | Summit Gas Resources Inc | Sheridan, WY 82801 | Gas Operator | Dec 2023 |
| 27989 | Summit Oil & Gas LLC | | Oil & Gas Operator | Sep 2024 |
| 27990 | Summit Operating LLC | Boulder, CO 80301 | Oil & Gas Operator | Aug 2024 |
| 27991 | Summit Overseas Expl., Inc. | Denver, CO 80226 | Oil & Gas Operator | Apr 2007 |
| 27992 | Summit Petroleum Corp And Muskegon Development C | | Oil Operator | Dec 2006 |
| 27993 | Summit Petroleum Corp Of MT Pleasant | | Oil & Gas Operator | Dec 2007 |
| 27994 | Summit Petroleum Inc | Twinsburg, OH 44087 | Oil & Gas Operator | Dec 2023 |
| 27995 | Summit Petroleum LLC | Midland, TX 79705 | Oil & Gas Operator | Nov 2024 |
| 27996 | Summit Reed City Inc | | Oil Operator | Dec 2014 |
| 27997 | Summit Resources Management LLC | Edmond, OK 73083 | Oil & Gas Operator | Aug 2024 |
| 27998 | Summit Resources MGMT., LLC. | Edmond, OK 73083 | Oil & Gas Operator | Nov 2024 |
| 27999 | Summit Resources, Inc. | Houston, TX 77077 | Oil & Gas Operator | Sep 2016 |
| 28000 | Summitt Energy, LLC | Wichita, KS 67218 | Oil Operator | Jun 2024 |