| 11901 | Gulf States Production Company | Houston, TX 77027 | Oil & Gas Operator | Aug 1997 |
| 11902 | Gulf Tech Energy LLC | | Oil & Gas Operator | Dec 2002 |
| 11903 | Gulf Tide Oil Company, The | Houston, TX 77008 | Oil & Gas Operator | Jun 1999 |
| 11904 | Gulfland Resources, Inc. | | Oil & Gas Operator | Aug 1996 |
| 11905 | Gulfport Appalachia LLC | Oklahoma City, OK 73114-2640 | Oil & Gas Operator | Mar 2026 |
| 11906 | Gulfport Energy Corporation | Oklahoma City, OK 73114-5003 | Oil & Gas Operator | Mar 2026 |
| 11907 | Gulfport Midcon LLC | Oklahoma City, OK 73114-8132 | Oil & Gas Operator | May 2026 |
| 11908 | Gulfport Oil & Gas Inc. | Gulfport, MS 39501 | Oil & Gas Operator | Aug 2026 |
| 11909 | Gulfstar Energy Group, LLC | Caneyville, KY 42721 | Oil & Gas Operator | Dec 2024 |
| 11910 | Gulfstar Properties, Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Aug 2026 |
| 11911 | Gulfstream Of Louisiana, Inc. | | Oil & Gas Operator | Jan 1996 |
| 11912 | Gulfstream Petroleum Corp | | Oil & Gas Operator | Feb 2002 |
| 11913 | Gulfstream Resources, Inc. | | Oil & Gas Operator | May 1996 |
| 11914 | Gulftex Energy II, LP | San Antonio, TX 78258 | Oil & Gas Operator | Jan 2013 |
| 11915 | Gulftex Energy III, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2018 |
| 11916 | Gulftex Energy IV, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2019 |
| 11917 | Gulftex Energy, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Aug 2026 |
| 11918 | Gulftex Ipx, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Mar 2019 |
| 11919 | Gulftex Operating Inc | Plano, TX 75093 | Oil & Gas Operator | Aug 2026 |
| 11920 | Gulick Drilling , Inc. | Eureka, KS 67045 | Oil Operator | Oct 2025 |
| 11921 | Gumfory, Shawn | Iola, KS 66749 | Oil Operator | Jul 1998 |
| 11922 | Gungoll Carl E Estate | Oklahoma City, OK 73154-0466 | Oil & Gas Operator | Aug 2000 |
| 11923 | Gungoll Henry H. Associates | Enid, OK 73701 | Oil & Gas Operator | Mar 2026 |
| 11924 | Gungoll, Carl E. Exploration LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2026 |
| 11925 | Gunn And Divers | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 11926 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2026 |
| 11927 | Gunn, P. P., Estate Heirs | | Oil & Gas Operator | Dec 2008 |
| 11928 | Gunner Energy Corp. | Troy, MI 48083 | Oil & Gas Operator | Jun 1995 |
| 11929 | Gunner Oil Company | Wichita, KS 67205 | Oil & Gas Operator | Apr 2026 |
| 11930 | Gunnison Energy LLC | | Oil & Gas Operator | May 2026 |
| 11931 | Gunsight Energy Inc | Floydada, TX 79235-2521 | Oil Operator | Jun 2009 |
| 11932 | Gunsight Supply Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 11933 | Gunsmoke Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | May 2012 |
| 11934 | Gunter Jim | Springer, OK 73458 | Oil Operator | Feb 2026 |
| 11935 | Gunvor USA LLC | Houston, TX 77002 | Oil Operator | Apr 2007 |
| 11936 | Gupton Gas Co. | Fort Worth, TX 76107 | Oil & Gas Operator | Aug 1994 |
| 11937 | Gurley Oil Co | Kirtland, NM 87417 | Oil Operator | Dec 1995 |
| 11938 | Gurnee Gas Co., L.L.C. | | Gas Operator | Jul 2001 |
| 11939 | Gus Jones Cable Tool Service, LLC | Elk City, KS 67344 | Oil Operator | Apr 2026 |
| 11940 | Gusher Oil | | Oil Operator | Jul 2004 |
| 11941 | Gustafson Brothers Inc. | | Oil & Gas Operator | Dec 2002 |
| 11942 | Gustafson Family Trust 2 | Frewsburg, NY 14738 | Gas Operator | Dec 2025 |
| 11943 | Gustafson, Alan | Falconer, NY 14733 | Gas Operator | Dec 2025 |
| 11944 | Gustison Steven | | Oil Operator | Feb 1985 |
| 11945 | Guthrie Clare L And June | | Oil Operator | Nov 2021 |
| 11946 | Guthrie Oil Co | | Oil Operator | Nov 1994 |
| 11947 | Guthrie Oil Comp | | Oil & Gas Operator | Dec 1994 |
| 11948 | Guthrie, A. K. Operating Co. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1996 |
| 11949 | Guynes And Backus | | Oil Operator | Nov 1999 |
| 11950 | Guys Oil & Gas LTD Co | Hobbs, NM 88241 | Oil & Gas Operator | Dec 2019 |
| 11951 | Guzman Energy Inc. | | Oil & Gas Operator | Dec 2025 |
| 11952 | GVC Ventures | Mineola, TX 75773 | Oil & Gas Operator | May 2026 |
| 11953 | GW Energy, Inc. | Midland, TX 79710 | Oil Operator | Aug 2026 |
| 11954 | GW Investments, LLC | Mustang, OK 73064 | Oil Operator | May 2026 |
| 11955 | GW Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1993 |
| 11956 | GWB Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2025 |
| 11957 | Gwet, Inc. | Merkel, TX 79536 | Oil Operator | Aug 2026 |
| 11958 | Gwitt, Edward J. | Eden, NY 14057 | Gas Operator | Dec 2025 |
| 11959 | GWM Operating Company, LLC | Liberty, TX 77575 | Oil & Gas Operator | Aug 2026 |
| 11960 | Gyb-Britlind Oil, LLC | | Oil & Gas Operator | Jun 2016 |
| 11961 | Gypsy Exploration LLC | Oklahoma City, OK 73123-1323 | Oil & Gas Operator | Dec 2014 |
| 11962 | Gypsy Highview Gathering System, Inc. | Cut Bank, MT 59427-0250 | Oil & Gas Operator | Oct 2000 |
| 11963 | Gypsy Oil Co. | Austin, TX 78720 | Oil & Gas Operator | Jul 2017 |
| 11964 | Gypsyglenn Oil Company LLC | Tulsa, OK 74119-4809 | Oil & Gas Operator | May 2026 |
| 11965 | Gyro Petroleum | Amarillo, TX 79120 | Oil & Gas Operator | Aug 2026 |
| 11966 | H & A Drilling | Newark, OH 43056 | Oil Operator | Dec 2025 |
| 11967 | H & B Petroleum Corp. | Hutchinson, KS 67504 | Oil & Gas Operator | Apr 2026 |
| 11968 | H & B Production | | Oil Operator | Mar 1995 |
| 11969 | H & B Well Service, Inc. | | Oil & Gas Operator | Aug 1993 |
| 11970 | H & C Oil Operat | | Oil & Gas Operator | Dec 1996 |
| 11971 | H & C Oil Operating Inc. | Plainville, KS 67663 | Oil & Gas Operator | Apr 2026 |
| 11972 | H & D Drilling Co Inc | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2025 |
| 11973 | H & D Exploration LLC | Hoisington, KS 67544 | Oil & Gas Operator | Apr 2026 |
| 11974 | H & D Operating Company | Refugio, TX 78377 | Oil & Gas Operator | May 2015 |
| 11975 | H & H & S Oil Producers | | Oil Operator | Jan 2025 |
| 11976 | H & H Compressors, Inc. | | Oil & Gas Operator | Oct 1997 |
| 11977 | H & H Drilling Company | Davis, OK 73030-2703 | Oil & Gas Operator | May 2014 |
| 11978 | H & H Energy Inc | Tuttle, OK 73089 | Oil Operator | May 2001 |
| 11979 | H & H Energy Of Ohio LTD | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2025 |
| 11980 | H & H Exploration | Tulsa, OK 74132 | Oil & Gas Operator | Jan 2006 |
| 11981 | H & H Oil Co. #1 | | Oil Operator | Jan 2025 |
| 11982 | H & H Oil Compan | | Oil & Gas Operator | Aug 1995 |
| 11983 | H & H Oil Company | | Oil & Gas Operator | Apr 2026 |
| 11984 | H & H Oil Company, A General Partnership | Plainville, KS 67663 | Oil Operator | Feb 1997 |
| 11985 | H & H Oil Producers | | Oil & Gas Operator | Jan 2025 |
| 11986 | H & H Oil Productions | Tulsa, OK 74145 | Oil Operator | Jul 1999 |
| 11987 | H & H Oil, LLC | Lincolnville, KS 66858 | Oil Operator | Apr 2026 |
| 11988 | H & H Operating | Olney, TX 76374 | Oil & Gas Operator | Aug 2026 |
| 11989 | H & H Production | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 11990 | H & H Production Company | Muenster, TX 76252 | Oil & Gas Operator | Oct 2005 |
| 11991 | H & H Production, Inc. | Topeka, KS 66614 | Oil Operator | May 1997 |
| 11992 | H & H Star Energy Inc | Traverse City, MI 49684 | Oil & Gas Operator | Aug 2016 |
| 11993 | H & H Supply Inc | | Gas Operator | Mar 1985 |
| 11994 | H & K Energy Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1991 |
| 11995 | H & K Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Nov 1998 |
| 11996 | H & K Oil Company (A) | Luling, TX 78648 | Oil Operator | Aug 2026 |
| 11997 | H & L Exploration Company, LLC | Amarillo, TX 79114 | Oil & Gas Operator | Aug 2026 |
| 11998 | H & L Gas Co. | Sunray, TX 79086 | Gas Operator | Apr 2018 |
| 11999 | H & L Operating Co., L.L.P. | Amarillo, TX 79114 | Oil & Gas Operator | Aug 2022 |
| 12000 | H & L Operating Co., LLC | Amarillo, TX 79114 | Oil & Gas Operator | Mar 2021 |