| 12801 | Helms Oil | Brinkhaven, OH 43006 | Oil Operator | Dec 2018 |
| 12802 | Helms Oil & Gas, LLC | Midland, TX 79710 | Oil & Gas Operator | Nov 2024 |
| 12803 | Helo Energy, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2001 |
| 12804 | Helsel, Allan J | South Haven, KS 67140 | Oil Operator | Apr 2024 |
| 12805 | Helton Oil Company | Edmond, OK 73083-7283 | Oil & Gas Operator | Aug 2016 |
| 12806 | Helton Petroleum | Pampa, TX 79066 | Oil & Gas Operator | Nov 2024 |
| 12807 | Helton, Pat A. & Alberta | Allison, TX 79003 | Oil & Gas Operator | Nov 2024 |
| 12808 | Hembree Alva | Oklahoma City, OK 73151-9145 | Oil & Gas Operator | Jun 2016 |
| 12809 | Hembree Brit W | Shawnee, OK 74802-1725 | Oil & Gas Operator | Aug 2024 |
| 12810 | Hembree Oil Production, LLC | Great Bend, KS 67530 | Oil Operator | Jul 2024 |
| 12811 | Hembree Robert F | | Oil Operator | Dec 2009 |
| 12812 | Hemco Development, LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2020 |
| 12813 | Hemco Production, L. L. C. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2016 |
| 12814 | Hemstead Oil Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2001 |
| 12815 | Hemus, Inc. | Bellaire, TX 77401 | Oil & Gas Operator | Sep 1994 |
| 12816 | Henderson & Erickson, Inc. | Midland, TX 79701 | Oil & Gas Operator | Nov 2024 |
| 12817 | Henderson Art | Pawhuska, OK 74056 | Oil & Gas Operator | May 2014 |
| 12818 | Henderson Don Inc | Oklahoma City, OK 73134-1753 | Oil & Gas Operator | Aug 2013 |
| 12819 | Henderson Exploration Company | Tulsa, OK 74120 | Oil & Gas Operator | May 2013 |
| 12820 | Henderson Fred J | Okmulgee, OK 74447-9204 | Oil & Gas Operator | Aug 2024 |
| 12821 | Henderson Natural Res, L.L.C. | Crozet, VA 22932 | Oil & Gas Operator | Nov 2024 |
| 12822 | Henderson Oil & Gas | | Oil Operator | Sep 1990 |
| 12823 | Henderson Operating Co Inc | | Oil & Gas Operator | Nov 2003 |
| 12824 | Henderson Pet Corp Of Delaware | | Oil & Gas Operator | Nov 2019 |
| 12825 | Henderson Petroleum Corp | San Angelo, TX 76906 | Oil & Gas Operator | Jul 2013 |
| 12826 | Henderson, Bryan, Co. | Dallas, TX 75225 | Oil & Gas Operator | Nov 2024 |
| 12827 | Henderson, Chris | Pawhuska, OK 74056 | Oil Operator | Dec 2009 |
| 12828 | Henderson, Peter Oil Co. | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2020 |
| 12829 | Henderson, Sam F. | Odessa, TX 79760 | Oil & Gas Operator | Nov 2002 |
| 12830 | Henderson, Sam W. | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2019 |
| 12831 | Hendricks Oil Company, LLC | | Oil Operator | Jan 2018 |
| 12832 | Hendrickson Lester | Delaware, OK 74027-9715 | Oil Operator | Mar 2015 |
| 12833 | Hendrickson W R | Beggs, OK 74421-2936 | Oil & Gas Operator | Jun 2023 |
| 12834 | Hendrix, John H. Corporation | Midland, TX 79705 | Oil & Gas Operator | Sep 2018 |
| 12835 | Hendry Energy Services, LLC | | Oil Operator | Aug 2024 |
| 12836 | Henergy Oil & Gas LLC | | Oil Operator | Jul 2024 |
| 12837 | Henley Dean | Pawhuska, OK 74056 | Oil Operator | Sep 2024 |
| 12838 | Henley Operating | Nocona, TX 76255 | Oil & Gas Operator | Nov 2024 |
| 12839 | Hennan Resources, Inc. | Great Neck, NY 11021 | Gas Operator | Nov 1997 |
| 12840 | Hennessey Oil & Gas LLC | Hennessey, OK 73742-0212 | Oil & Gas Operator | Aug 2024 |
| 12841 | Hennessy Oil Com | | Oil Operator | Mar 1991 |
| 12842 | Hennig Production Co., Inc. | Tyler, TX 75701 | Oil & Gas Operator | Nov 2024 |
| 12843 | Henrich, Adam Gabriel | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 12844 | Henrich, John W. | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 12845 | Henry And Jane Fong | | Oil Operator | Dec 1989 |
| 12846 | Henry Billy Or Connie | Okemah, OK 74859-6075 | Oil & Gas Operator | Jul 2021 |
| 12847 | Henry Gungoll Operating Inc | Enid, OK 73703 | Oil & Gas Operator | Sep 2024 |
| 12848 | Henry Oil & Gas Inc | Oklahoma City, OK 73127 | Oil & Gas Operator | Jul 2009 |
| 12849 | Henry Patrick K | Chicora, PA 16025-4502 | Oil & Gas Operator | Dec 2023 |
| 12850 | Henry Paul Petroleum, LLC | Pampa, TX 79066 | Oil & Gas Operator | Nov 2024 |
| 12851 | Henry Petroleum Corp. | Midland, TX 79703 | Oil & Gas Operator | Mar 2001 |
| 12852 | Henry Petroleum Inc | Oklahoma City, OK 73162-1757 | Oil & Gas Operator | Sep 2019 |
| 12853 | Henry Petroleum LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Nov 2024 |
| 12854 | Henry Petroleum LP | Midland, TX 79701 | Oil & Gas Operator | Dec 2008 |
| 12855 | Henry Petroleum Of Oklahoma LP | Midland, TX 79703-5000 | Oil & Gas Operator | Feb 2017 |
| 12856 | Henry Production Company, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Oct 2019 |
| 12857 | Henry Resources LLC | Midland, TX 79703 | Oil & Gas Operator | Nov 2024 |
| 12858 | Henry Sappington Machine & Tool Dba Henry Sappingt | | Oil Operator | Oct 2017 |
| 12859 | Henry W. Agle And Sons, Inc. | Eden, NY 14057 | Gas Operator | Dec 2023 |
| 12860 | Henry Wat Oil Company | Tulsa, OK 74101 | Oil Operator | Jan 2014 |
| 12861 | Henry, J.R. Inc | Brenham, TX 77833 | Oil & Gas Operator | Nov 2024 |
| 12862 | Henry, John Petroleum | Dallas, TX 75225 | Oil & Gas Operator | Dec 2001 |
| 12863 | Henscheid, Rufus | Muenster, TX 76252 | Oil Operator | Jan 2020 |
| 12864 | Hensley Oil Company LLC | Arkansas City, KS 67005 | Oil Operator | Jul 2024 |
| 12865 | Hensley, Cloide J. & Hazel M. | Arkansas City, KS 67005 | Oil Operator | Sep 2001 |
| 12866 | Henson Doyle | Okmulgee, OK 74447-4841 | Oil & Gas Operator | Jun 2020 |
| 12867 | Henson Exploration, L.P. | Abilene, TX 79608 | Oil & Gas Operator | Nov 2024 |
| 12868 | Henson Terry Dba Daycon Exploration | Tulsa, OK 74137-3546 | Oil & Gas Operator | Aug 2024 |
| 12869 | Hep Oil Company LTD | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2012 |
| 12870 | Hep Oil GP, LLC | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 12871 | Herald Oil & Gas Co | Middleport, OH 45760-9000-9000 | Oil & Gas Operator | Dec 2010 |
| 12872 | Herbaly Petroleum Corp | FT Worth, TX 76102 | Oil & Gas Operator | Feb 2002 |
| 12873 | Herber, Carl R. | Denton, TX 76205 | Oil & Gas Operator | Apr 2014 |
| 12874 | Herbert J. Schmitz | | Oil & Gas Operator | Dec 1987 |
| 12875 | Herbig Oil & Gas Co. | Midland, TX 79701 | Oil & Gas Operator | Nov 2024 |
| 12876 | Herbig, J F | Midland, TX 79701 | Oil & Gas Operator | Mar 1998 |
| 12877 | Herbst Resources, Inc. | Mandeville, LA 70448 | Oil & Gas Operator | Aug 2003 |
| 12878 | Herd Producing Company, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Nov 2024 |
| 12879 | Hereford, J. A. Industries, Inc. | Nacogdoches, TX 75961 | Oil & Gas Operator | Nov 2024 |
| 12880 | Herencia Operating LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Nov 2024 |
| 12881 | Heritage Energy Company | | Oil & Gas Operator | Jun 2001 |
| 12882 | Heritage Energy Corporation | Waco, TX 76710 | Oil & Gas Operator | Sep 2004 |
| 12883 | Heritage Expl. & Prod. Co., Inc. | Stafford, TX 77497 | Oil & Gas Operator | Dec 2000 |
| 12884 | Heritage Exploration LLC | Oklahoma City, OK 73120-5622 | Oil & Gas Operator | Jan 2020 |
| 12885 | Heritage Oil Company | Norman, OK 73070 | Oil & Gas Operator | Jul 2008 |
| 12886 | Heritage Oil L.L.C. | Hays, KS 67601 | Oil Operator | Jul 2024 |
| 12887 | Heritage Operating Co., Inc. The | Stafford, TX 77497 | Oil & Gas Operator | May 1997 |
| 12888 | Heritage Petroleum Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Nov 2024 |
| 12889 | Heritage Petroleum, Inc. | Stillwater, OK 74076 | Oil & Gas Operator | Nov 2024 |
| 12890 | Heritage Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Feb 2014 |
| 12891 | Heritage Standard Corporation | Dallas, TX 75206 | Oil & Gas Operator | Nov 2024 |
| 12892 | Herley Olive Holdings LLC | | Oil & Gas Operator | Sep 2024 |
| 12893 | Herley Petroleum | | Oil & Gas Operator | Dec 1997 |
| 12894 | Herley-Kelley LLC | | Oil & Gas Operator | Sep 2024 |
| 12895 | Herlihy, John D. | | Oil & Gas Operator | May 1997 |
| 12896 | Herlin Et Al | | Oil & Gas Operator | Mar 1985 |
| 12897 | Herlindah Gallegos | | Oil Operator | Dec 2007 |
| 12898 | Herman Fields | | Oil & Gas Operator | May 1989 |
| 12899 | Herman J Ledbetter | Abilene, TX 79606 | Oil & Gas Operator | Jul 1999 |
| 12900 | Herman Krug - Oil Operations | | Oil Operator | Jul 2024 |