| 14001 | Huntington Energy LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Feb 2026 |
| 14002 | Huntington Midway Incorporated | Huntington, WV 25709 | Oil & Gas Operator | Dec 2021 |
| 14003 | Huntington Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2006 |
| 14004 | Huntington Signal Oil Company | | Oil & Gas Operator | Dec 1997 |
| 14005 | Huntland Properties, LTD. | Santa Anna, TX 76878 | Oil & Gas Operator | Feb 2026 |
| 14006 | Huntley & Huntley Inc | Monroeville, PA 15146-2302 | Oil & Gas Operator | Dec 2019 |
| 14007 | Huntlyn Operating, LLC | | Oil & Gas Operator | Sep 2022 |
| 14008 | Hunton Oil & Gas Corporation | Oklahoma City, OK 73154-0191 | Oil & Gas Operator | May 2019 |
| 14009 | Hunton Operating LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2025 |
| 14010 | Huntwood Resources, LLC | Huntsville, TX 77340 | Oil Operator | Feb 2026 |
| 14011 | Hupfer Oil & Gas | Hays, KS 67601 | Oil & Gas Operator | Dec 1993 |
| 14012 | Hupfer Operating, Inc. | Shawnee, KS 66203 | Oil & Gas Operator | Dec 2019 |
| 14013 | Hurd Ent.LTD/U.S.Enercorp,LLC | San Antonio, TX 78209 | Oil & Gas Operator | Aug 2002 |
| 14014 | Hurd Enterprises, LTD. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 14015 | Hurd Oil Company | | Oil & Gas Operator | Jun 2015 |
| 14016 | Hurley Charles B | Santa Ana, CA 92706 | Oil & Gas Operator | Apr 2015 |
| 14017 | Hurley Oil And Gas Company | | Oil & Gas Operator | Jan 1997 |
| 14018 | Hurley Oil Company | | Oil Operator | Dec 1988 |
| 14019 | Hurley Petroleum Corporation | Baton Rouge, LA 70821 | Oil & Gas Operator | Feb 2000 |
| 14020 | Hurricane Energy Corporation | | Oil & Gas Operator | Dec 2000 |
| 14021 | Hurricane Iron & Steel, Inc. | | Oil Operator | Dec 1993 |
| 14022 | Hurricane Oil And Gas Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Mar 2008 |
| 14023 | Hurst Oil & Gas, Inc. | Hillsboro, TX 76645 | Oil & Gas Operator | Dec 2024 |
| 14024 | Hurst Oil Investments Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Feb 2015 |
| 14025 | Hurt, W C & C E | | Oil Operator | Dec 2006 |
| 14026 | Husain, Mrs. Shahnaz | Tulsa, OK 74136 | Oil Operator | Nov 1996 |
| 14027 | Huseman Oil International Inc | | Oil & Gas Operator | Feb 1992 |
| 14028 | Husfeld, Rose Marie | Bowie, TX 76230 | Oil & Gas Operator | Aug 2017 |
| 14029 | Husfeld, Walter H. | Bowie, TX 76230 | Oil & Gas Operator | Jun 2007 |
| 14030 | Husky Oil Company | Cody, WY 82414 | Oil & Gas Operator | Dec 1984 |
| 14031 | Husky Petroleum | Seminole, OK 74818-1181 | Oil Operator | Feb 2012 |
| 14032 | Husky Ventures Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Oct 2025 |
| 14033 | Huson Corp. | Albany, TX 76430 | Oil & Gas Operator | May 2003 |
| 14034 | Huston Minerals LP | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 14035 | Huston Oil | Woodson, TX 76491 | Oil & Gas Operator | Oct 2010 |
| 14036 | Hutchinson Oil C | | Oil & Gas Operator | May 1995 |
| 14037 | Hutchinson Oil Co. | | Oil & Gas Operator | Sep 2025 |
| 14038 | Hutchison Jay Oi | | Oil Operator | Sep 1991 |
| 14039 | Hutson Oil Co. | | Oil & Gas Operator | Nov 2024 |
| 14040 | Hutton Charles N | | Oil Operator | Dec 1994 |
| 14041 | Hutton Gas Operating Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 14042 | Hutton, Charles N., SR. | Iola, KS 66749 | Oil Operator | Nov 2007 |
| 14043 | Hux Oil Company LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Nov 2025 |
| 14044 | Hvi Cat Canyon Inc. | | Oil & Gas Operator | Oct 2025 |
| 14045 | HW Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 14046 | HWH Production, LLC | Muenster, TX 76252 | Oil Operator | Feb 2026 |
| 14047 | Hy-Mark Oil & Gas, Inc. | | Oil Operator | Mar 1991 |
| 14048 | Hy-Tech, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Feb 2017 |
| 14049 | Hyalite Energy Corporation | Pampa, TX 79066 | Oil & Gas Operator | Oct 2025 |
| 14050 | Hyatt Exploration, Inc. | | Oil Operator | Jul 1995 |
| 14051 | Hybrid Operating, Incorporated | Carlsbad, CA 92009 | Oil & Gas Operator | Feb 2026 |
| 14052 | Hyco Oil Inc | Newcastle, WY 82701 | Oil & Gas Operator | Dec 2006 |
| 14053 | Hyde-Marrs, Inc. | Wichita, KS 67202 | Oil Operator | Aug 1997 |
| 14054 | Hyder, Dean L. | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 14055 | Hydroc Oil Company | Borger, TX 79007 | Oil & Gas Operator | May 2012 |
| 14056 | Hydrocarbon Exploration, Inc. | | Oil & Gas Operator | Dec 2008 |
| 14057 | Hydrocarbon Generation, Inc. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2024 |
| 14058 | Hydrocarbon Horizons, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Jun 2023 |
| 14059 | Hydrocarbon Inv, Inc | | Oil Operator | Dec 2018 |
| 14060 | Hydrocarbon Lease Management LTD | Addison, TX 75001 | Oil & Gas Operator | Jul 2002 |
| 14061 | Hydrocarbon Management, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 1996 |
| 14062 | Hydrocarbon MGMT., Inc. | | Oil & Gas Operator | Mar 1997 |
| 14063 | Hydrocarbon Operating, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Feb 2026 |
| 14064 | Hydrocarbon Resources LTD | Medina, OH 44256 | Oil & Gas Operator | Dec 2022 |
| 14065 | Hydrocarbon Technology Services | | Oil & Gas Operator | Dec 2000 |
| 14066 | Hydrofusion Energy, LLC | Cuero, TX 77954 | Oil Operator | Feb 2026 |
| 14067 | Hydrogeo, L.L.C. | Houston, TX 77074 | Oil & Gas Operator | Feb 2026 |
| 14068 | Hyer,Na & CJ Aldenhoven Trusts | Lipan, TX 76462 | Gas Operator | Oct 2017 |
| 14069 | Hyland Oil Corporation | | Oil & Gas Operator | Apr 1990 |
| 14070 | Hyman Muslow | | Oil Operator | Jun 1995 |
| 14071 | Hyndrex Resources | | Oil & Gas Operator | Feb 2016 |
| 14072 | Hyperion Energy LP | Dallas, TX 75206 | Oil & Gas Operator | May 2014 |
| 14073 | Hyperion Oil & Gas LLC | Dallas, TX 75251 | Oil & Gas Operator | Feb 2026 |
| 14074 | Hyquest Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 2015 |
| 14075 | I & F Oil And Farm | | Oil & Gas Operator | Dec 2009 |
| 14076 | I & L Development Co. | Dallas, TX 75219 | Oil & Gas Operator | Mar 1996 |
| 14077 | I & M Oil Production, LLC | Overland Park, KS 66209 | Oil & Gas Operator | Nov 2019 |
| 14078 | I C Gas Amcana Inc | Tulsa, OK 74103-3713 | Oil & Gas Operator | Apr 1996 |
| 14079 | I D Oil Company Inc | Sperry, OK 74073-9417 | Oil Operator | Jan 2013 |
| 14080 | I T Enterprises Inc | Tulsa, OK 74170-0775 | Oil & Gas Operator | Mar 2011 |
| 14081 | I-Mac Petroleum Service Inc | Bixby, OK 74008-3778 | Oil & Gas Operator | Apr 2020 |
| 14082 | I. H. Delatte | | Oil & Gas Operator | Jul 1991 |
| 14083 | I. J. Wilhite | | Oil Operator | Apr 2000 |
| 14084 | I. J. Wilhite & Star Drilling, Inc. | | Oil Operator | Sep 1973 |
| 14085 | I. W. McKnight,Production | | Oil Operator | Jan 1986 |
| 14086 | I.G. Petroleum, L.L.C | | Oil & Gas Operator | Dec 2018 |
| 14087 | I.T. Corporation | Arlington, TX 76016 | Oil & Gas Operator | Feb 2026 |
| 14088 | I.T. Properties | Arlington, TX 76006 | Oil & Gas Operator | Feb 2026 |
| 14089 | Ia Operating, Inc. | Edmond, OK 73003 | Oil Operator | Sep 2025 |
| 14090 | Iacobucci, Gary | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 14091 | Iacx Energy LLC | Dallas, TX 75244 | Gas Operator | Nov 2025 |
| 14092 | Iacx Production LLC | Roswell, NM 88201 | Oil & Gas Operator | Nov 2025 |
| 14093 | Iantha Resources LLC | Garnett, KS 66032 | Oil Operator | Dec 2019 |
| 14094 | Iantorno Brothers Oil | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 14095 | Ibarra Oil LLC | Blessing, TX 77419 | Oil & Gas Operator | Feb 2026 |
| 14096 | Ibc Petroleum, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Feb 2026 |
| 14097 | Iberia Operating Corporation | | Oil & Gas Operator | Jan 2003 |
| 14098 | Ibex Resources I, L.P. | Midland, TX 79701 | Oil & Gas Operator | Jul 1999 |
| 14099 | Ibex Resources Operating LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2007 |
| 14100 | Ibex Resources, LLC | Austin, TX 78751 | Oil & Gas Operator | Jul 1999 |