| 13901 | Hufo Production Corporation | Midland, TX 79702 | Oil & Gas Operator | Jul 2002 |
| 13902 | Huggs & McConathy,Et Al | | Oil & Gas Operator | Dec 1985 |
| 13903 | Huggs Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2003 |
| 13904 | Huggs Inc. & Bec, Et Al | | Oil & Gas Operator | Feb 1998 |
| 13905 | Huggs Incorporated, Et Al | | Oil & Gas Operator | Feb 1998 |
| 13906 | Hugh A. Hawthorne, Et Al | | Oil & Gas Operator | Dec 1978 |
| 13907 | Hughes & Hughes | | Oil & Gas Operator | May 1984 |
| 13908 | Hughes & New Oil Co. | | Oil Operator | Jul 1993 |
| 13909 | Hughes & New-D. Braswell | | Oil & Gas Operator | Jun 1983 |
| 13910 | Hughes & Patterson Oper. Corp. | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 13911 | Hughes & Shawver | Olney, TX 76374 | Oil & Gas Operator | Aug 1996 |
| 13912 | Hughes Denny Offshore Expl Inc | | Oil & Gas Operator | Nov 1988 |
| 13913 | Hughes Drilling Co Inc | Enid, OK 73702 | Oil & Gas Operator | Apr 1998 |
| 13914 | Hughes Drilling Co, A General Partnership | Wellsville, KS 66092 | Oil Operator | Sep 2025 |
| 13915 | Hughes Eastern Corporation | Ridgeland, MS 39157 | Oil & Gas Operator | Oct 2025 |
| 13916 | Hughes Eastern Petroleum, Inc. | | Oil & Gas Operator | Apr 1993 |
| 13917 | Hughes Eastern Petroleum, LTD | | Oil & Gas Operator | Jun 1986 |
| 13918 | Hughes Gas Systems LLC | Oklahoma City, OK 73118-4821 | Oil & Gas Operator | Oct 2025 |
| 13919 | Hughes George B | Asher, OK 74826-0165 | Oil & Gas Operator | Mar 2011 |
| 13920 | Hughes Legacy LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2022 |
| 13921 | Hughes Oil Company Inc | Odessa, TX 79765 | Oil & Gas Operator | Feb 2004 |
| 13922 | Hughes Petroleum Corp. | | Oil Operator | Dec 1972 |
| 13923 | Hughes River Oil & Gas Company | Walker, WV 26180-0000 | Oil & Gas Operator | Dec 2021 |
| 13924 | Hughes Services, LLC | Wellsville, KS 66092 | Oil Operator | Sep 2025 |
| 13925 | Hughes Supplies, Inc. | Greenwood, LA 71033 | Oil & Gas Operator | Jul 2019 |
| 13926 | Hughes, Bill Drilling, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 13927 | Hughes, Bob Oil Company | San Angelo, TX 76901 | Oil & Gas Operator | Jul 2011 |
| 13928 | Hughes, Dan A. Company | Beeville, TX 78104 | Oil & Gas Operator | May 2006 |
| 13929 | Hughes, Dan A. Company, L.P. | Beeville, TX 78104 | Oil & Gas Operator | Feb 2026 |
| 13930 | Hughes, Wise & Assoc., Inc | | Oil Operator | Jul 1987 |
| 13931 | Hughes-Denny Petroleum Co.,Inc | | Oil & Gas Operator | Dec 1987 |
| 13932 | Hughes-Leckelt-Maybrier PRDCRS | | Oil Operator | Mar 2022 |
| 13933 | Hughes-Nicklaus Oil Co., LTD. | | Oil & Gas Operator | Feb 1986 |
| 13934 | Hughey, Gaylord T. SR. Oper. Co. | Tyler, TX 75711 | Oil & Gas Operator | Feb 1998 |
| 13935 | Hughey, W. R., Operating Co. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2005 |
| 13936 | Hugoton Energy C | | Oil & Gas Operator | Feb 2004 |
| 13937 | Hugoton Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2019 |
| 13938 | Hugoton Operating Company, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Feb 2026 |
| 13939 | Hugus Investment Company, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2026 |
| 13940 | Huisache E & P Company, LLC | San Antonio, TX 78205 | Oil & Gas Operator | Mar 2017 |
| 13941 | Huitt Joe A | Tulsa, OK 74103 | Oil & Gas Operator | May 2001 |
| 13942 | Huitt Joe A Rev Trust | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2009 |
| 13943 | Hulen Operating Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Feb 2026 |
| 13944 | Hull Enterprises Inc | Broken Arrow, OK 74012 | Oil & Gas Operator | Sep 2023 |
| 13945 | Hull Oil Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2021 |
| 13946 | Hull, Gerald Walter | Leicester, NY 14481 | Gas Operator | Dec 2024 |
| 13947 | Hulse Steve & Frank | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2000 |
| 13948 | Hulse, J. T. | Archer City, TX 76351 | Oil & Gas Operator | Feb 2026 |
| 13949 | Hulse, Tommy P. | Archer City, TX 76351 | Oil & Gas Operator | Feb 2009 |
| 13950 | Hulsebosch, Jessica | Elmira, NY 14901 | Gas Operator | Dec 2024 |
| 13951 | Hulsey Larry O & Co | Graham, TX 76046 | Oil & Gas Operator | Jun 2012 |
| 13952 | Hulsey Oil Company | Dallas, TX 75205 | Oil & Gas Operator | Aug 1999 |
| 13953 | Humak Processors, Inc. | Tyler, TX 75710 | Oil & Gas Operator | Aug 2005 |
| 13954 | Humber Oil Company | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 13955 | Humble Oil & Refining Co. | Houston, TX 77252 | Oil & Gas Operator | Jan 2000 |
| 13956 | Humedel Land & Minerals, Inc. | Jourdanton, TX 78026 | Oil & Gas Operator | Mar 2008 |
| 13957 | Humerickhouse Oil, LLC | Ottawa, KS 66067 | Oil Operator | Sep 2025 |
| 13958 | Humerickhouse, Donald L. | Ottawa, KS 66067 | Oil Operator | Dec 2009 |
| 13959 | Hummingbird Oil, LLC | Sedan, KS 67361 | Oil Operator | Sep 2025 |
| 13960 | Hummon Corp | Medicine Lodge, KS 67104 | Oil & Gas Operator | Apr 2023 |
| 13961 | Humphrey Mark | Morris, OK 74445-2816 | Oil & Gas Operator | Sep 2021 |
| 13962 | Humphrey, Thos.D. Oil Prop.,Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Aug 1999 |
| 13963 | Humphrey-Bashford Oil, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Sep 2010 |
| 13964 | Hungerford Oil & Gas Inc | Helena, OK 73741 | Oil & Gas Operator | Nov 2000 |
| 13965 | Hungerford Oil Partners | Williamsville, NY 14221 | Oil Operator | Dec 2024 |
| 13966 | Hunt Brothers Producing Co Inc | Redding, CA 96049-2516 | Oil & Gas Operator | Sep 2012 |
| 13967 | Hunt Chris Water Hauling Contractor Inc | Keyes, OK 73947-0004 | Oil Operator | Jun 2008 |
| 13968 | Hunt Cimarron Limited Partnership | Roswell, NM 88202 | Oil & Gas Operator | Nov 2025 |
| 13969 | Hunt Cimarron LTD. Partnership | Roswell, NM 88202 | Oil & Gas Operator | Feb 2026 |
| 13970 | Hunt Energy Corporation | | Oil & Gas Operator | Feb 2002 |
| 13971 | Hunt Engineering Inc | Norman, OK 73069-4093 | Oil & Gas Operator | Feb 2019 |
| 13972 | Hunt Enterprises | | Oil & Gas Operator | Oct 2025 |
| 13973 | Hunt H L | Dallas, TX 75202-2785 | Oil & Gas Operator | Jan 2025 |
| 13974 | Hunt Industries, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2000 |
| 13975 | Hunt Investment Corporation | | Oil & Gas Operator | Jun 1989 |
| 13976 | Hunt Marcellus Opr Co LLC | Wilcox, PA 15870 | Oil & Gas Operator | Jan 2019 |
| 13977 | Hunt Oil Co., Et Al | | Oil & Gas Operator | Nov 1992 |
| 13978 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 13979 | Hunt Oil, LLC | Garnett, KS 66032 | Oil Operator | Jun 2025 |
| 13980 | Hunt Operating, LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 13981 | Hunt Petroleum (Aec), Inc. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 13982 | Hunt Petroleum Corp. | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 13983 | Hunt Petroleum, Inc. | Houston, TX 772511350 | Oil & Gas Operator | Nov 2002 |
| 13984 | Hunt, Hassie Exploration Company | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 13985 | Hunt, Judith R. | Findley Lake, NY 14736 | Gas Operator | Dec 2024 |
| 13986 | Hunt, WM. Herbert, Trust Est. | Dallas, TX 75201 | Oil & Gas Operator | Sep 1998 |
| 13987 | Hunter & Hedrick Production, Inc | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 1995 |
| 13988 | Hunter & McDonald | Wichita Falls, TX 76309 | Oil & Gas Operator | Jul 2001 |
| 13989 | Hunter Brothers | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2007 |
| 13990 | Hunter Edison Oil Development LLC | | Oil & Gas Operator | Nov 2025 |
| 13991 | Hunter Energy, Inc. | Hurst, TX 76053 | Oil & Gas Operator | Feb 2026 |
| 13992 | Hunter Oil & Gas Co. | Bangs, TX 76823 | Oil & Gas Operator | Feb 2026 |
| 13993 | Hunter Oil & Gas, LLC | | Oil & Gas Operator | Oct 2001 |
| 13994 | Hunter Oil Corporation | Gruver, TX 79040 | Gas Operator | Feb 2026 |
| 13995 | Hunter Petroleum Inc. | Alice, TX 78333 | Oil & Gas Operator | May 2014 |
| 13996 | Hunter, Rocquelle | Coleman, TX 76834 | Oil Operator | Feb 2026 |
| 13997 | Hunters Creek Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Feb 2026 |
| 13998 | Huntford Resources Corp | Englewood, CO 80112 | Oil & Gas Operator | Nov 2001 |
| 13999 | Huntington Beach Company | | Oil & Gas Operator | Dec 1998 |
| 14000 | Huntington Beach Pacific Coast Enterprises LLC | | Oil & Gas Operator | Jan 2018 |