| 13001 | Henry Patrick K | Chicora, PA 16025-4502 | Oil & Gas Operator | Dec 2025 |
| 13002 | Henry Paul Petroleum, LLC | Pampa, TX 79066 | Oil & Gas Operator | Mar 2026 |
| 13003 | Henry Petroleum Corp. | Midland, TX 79703 | Oil & Gas Operator | Mar 2001 |
| 13004 | Henry Petroleum Inc | Oklahoma City, OK 73162-1757 | Oil & Gas Operator | Sep 2019 |
| 13005 | Henry Petroleum LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Mar 2026 |
| 13006 | Henry Petroleum LP | Midland, TX 79701 | Oil & Gas Operator | Dec 2008 |
| 13007 | Henry Petroleum Of Oklahoma LP | Midland, TX 79703-5000 | Oil & Gas Operator | Feb 2017 |
| 13008 | Henry Production Company, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Oct 2019 |
| 13009 | Henry Rennick | | Oil Operator | Dec 2025 |
| 13010 | Henry Resources LLC | Midland, TX 79703 | Oil & Gas Operator | Mar 2026 |
| 13011 | Henry Sappington Machine & Tool Dba Henry Sappingt | | Oil Operator | Oct 2017 |
| 13012 | Henry W. Agle And Sons, Inc. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 13013 | Henry Wat Oil Company | Tulsa, OK 74101 | Oil Operator | Jan 2014 |
| 13014 | Henry, J.R. Inc | Brenham, TX 77833 | Oil & Gas Operator | Mar 2026 |
| 13015 | Henry, John Petroleum | Dallas, TX 75225 | Oil & Gas Operator | Dec 2001 |
| 13016 | Henscheid, Rufus | Muenster, TX 76252 | Oil Operator | Jan 2020 |
| 13017 | Hensley Oil Company LLC | Arkansas City, KS 67005 | Oil Operator | Sep 2025 |
| 13018 | Hensley, Cloide J. & Hazel M. | Arkansas City, KS 67005 | Oil Operator | Sep 2001 |
| 13019 | Henson Doyle | Okmulgee, OK 74447-4841 | Oil & Gas Operator | Jun 2020 |
| 13020 | Henson Exploration, L.P. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2026 |
| 13021 | Henson Terry Dba Daycon Exploration | Tulsa, OK 74133 | Oil & Gas Operator | Dec 2025 |
| 13022 | Hep Oil Company, LTD. | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2012 |
| 13023 | Hep Oil GP, LLC | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 13024 | Herald Oil & Gas Co | Middleport, OH 45760-9000 | Oil & Gas Operator | Dec 2010 |
| 13025 | Herbaly Petroleum Corp | FT Worth, TX 76102 | Oil & Gas Operator | Feb 2002 |
| 13026 | Herber, Carl R. | Denton, TX 76205 | Oil & Gas Operator | Apr 2014 |
| 13027 | Herbert A Thomas | Cambridge Springs, PA 16403-2555 | Gas Operator | Dec 2025 |
| 13028 | Herbert J. Schmitz | | Oil & Gas Operator | Dec 1987 |
| 13029 | Herbig Oil & Gas Co. | Midland, TX 79705 | Oil & Gas Operator | Mar 2026 |
| 13030 | Herbig, J F | Midland, TX 79701 | Oil & Gas Operator | Mar 1998 |
| 13031 | Herbst Resources, Inc. | Mandeville, LA 70448 | Oil & Gas Operator | Aug 2003 |
| 13032 | Herco Exploration LLC | Billings, MT 59103 | Gas Operator | Oct 2024 |
| 13033 | Herd Producing Company, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Mar 2026 |
| 13034 | Hereford, J. A. Industries, Inc. | Nacogdoches, TX 75961 | Oil & Gas Operator | Mar 2026 |
| 13035 | Herencia Operating LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2026 |
| 13036 | Heritage Energy Company | | Oil & Gas Operator | Jun 2001 |
| 13037 | Heritage Energy Corporation | Waco, TX 76710 | Oil & Gas Operator | Sep 2004 |
| 13038 | Heritage Expl. & Prod. Co., Inc. | Stafford, TX 77497 | Oil & Gas Operator | Dec 2000 |
| 13039 | Heritage Exploration LLC | Oklahoma City, OK 73120-5622 | Oil & Gas Operator | Jan 2020 |
| 13040 | Heritage Oil Company Inc | Norman, OK 73070 | Oil & Gas Operator | Jul 2008 |
| 13041 | Heritage Oil L.L.C. | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 13042 | Heritage Operating Co., Inc. The | Stafford, TX 77497 | Oil & Gas Operator | May 1997 |
| 13043 | Heritage Petroleum Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Mar 2026 |
| 13044 | Heritage Petroleum, Inc. | Stillwater, OK 74076 | Oil & Gas Operator | Mar 2026 |
| 13045 | Heritage Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Feb 2014 |
| 13046 | Heritage Standard Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2026 |
| 13047 | Herley Olive Holdings LLC | | Oil & Gas Operator | Dec 2025 |
| 13048 | Herley Petroleum | | Oil & Gas Operator | Dec 1997 |
| 13049 | Herley-Kelley LLC | | Oil & Gas Operator | Dec 2025 |
| 13050 | Herlihy John D. | | Oil & Gas Operator | May 1997 |
| 13051 | Herlin Et Al | | Oil & Gas Operator | Mar 1985 |
| 13052 | Herlindah Gallegos | | Oil Operator | Dec 2007 |
| 13053 | Herman Fields | | Oil & Gas Operator | May 1989 |
| 13054 | Herman J Ledbetter | Abilene, TX 79606 | Oil & Gas Operator | Jul 1999 |
| 13055 | Herman Krug - Oil Operations | | Oil Operator | Sep 2025 |
| 13056 | Herman L Loeb | Lawrenceville, IL 62439 | Oil & Gas Operator | Jul 2009 |
| 13057 | Herman L. Loeb LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Sep 2025 |
| 13058 | Herman Lang Oil And Gas Co. | | Oil & Gas Operator | Dec 1992 |
| 13059 | Herman Riemer Gas Co | Sarver, PA 16055-8507 | Oil & Gas Operator | Dec 2016 |
| 13060 | Herman V Wallis | Kerrville, TX 780281858 | Gas Operator | Feb 2003 |
| 13061 | Herman'S Supply Company | West Seneca, NY 14224 | Gas Operator | Dec 2024 |
| 13062 | Hermat Salt Water Disposal, Inc. | Corpus Chrsti, TX 78426 | Oil Operator | Aug 2012 |
| 13063 | Hermes, A. J. | Lindsay, TX 76250 | Oil & Gas Operator | Mar 2018 |
| 13064 | Hermreck Oil Com | | Oil & Gas Operator | Aug 1996 |
| 13065 | Hermreck Oil Company | | Oil Operator | Nov 2024 |
| 13066 | Herms, Walter | Luling, TX 78648 | Oil & Gas Operator | Sep 2002 |
| 13067 | Herod Investments, Inc. | Ranger, TX 76470 | Oil & Gas Operator | Jul 1999 |
| 13068 | Herod, Bill | Ranger, TX 76470 | Oil & Gas Operator | Apr 2022 |
| 13069 | Heron Operating, LLC | | Oil & Gas Operator | Dec 2025 |
| 13070 | Herricks Oil Co. | San Angelo, TX 76906 | Oil & Gas Operator | Jan 2010 |
| 13071 | Herring Production Co | | Oil & Gas Operator | Mar 1992 |
| 13072 | Herring, Casey Oil Co. | Santa Anna, TX 76878 | Oil & Gas Operator | Nov 2008 |
| 13073 | Herring, D Oil & Gas Co. | Santa Anna, TX 76878 | Oil & Gas Operator | Mar 2026 |
| 13074 | Herring, Ray | Graham, TX 76450 | Oil & Gas Operator | Jul 2014 |
| 13075 | Herrman & Ikenberry | Cushing, OK 74023-0247 | Oil & Gas Operator | Dec 2003 |
| 13076 | Herrmann Arnold | Chandler, OK 74834 | Oil & Gas Operator | Sep 2024 |
| 13077 | Herrmann Energy | Amarillo, TX 79159 | Oil & Gas Operator | May 2015 |
| 13078 | Herrmann J B Oil And Gas | Amarillo, TX 79159-0670 | Oil & Gas Operator | Feb 2015 |
| 13079 | Herrmann, J.B. | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2019 |
| 13080 | Herrmann, S. W. Oil & Gas | Amarillo, TX 79159 | Oil & Gas Operator | Mar 2026 |
| 13081 | Herschap Bros. | Bruni, TX 78344 | Oil & Gas Operator | Mar 2026 |
| 13082 | Hershey Oil | Pasadena, CA 91103 | Oil & Gas Operator | Dec 1988 |
| 13083 | Hershey Oil Corporation | | Oil & Gas Operator | Jul 1992 |
| 13084 | Hertel Oil Company | | Oil Operator | Nov 2018 |
| 13085 | Hertel Oil Company LLC | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 13086 | Herv Oil, LLC | Oklahoma City, OK 73116 | Oil Operator | Jan 2026 |
| 13087 | Herzfeld Fabricators Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2017 |
| 13088 | Hesperus Energy II LLC | | Oil Operator | Oct 2025 |
| 13089 | Hess Bakken Investments II, LLC | | Oil & Gas Operator | Jan 2026 |
| 13090 | Hess Bros. DRLG. Co. | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2008 |
| 13091 | Hess Co2 Resources LLC | Seminole, TX 79360 | Gas Operator | Aug 2017 |
| 13092 | Hess Corporation | Houston, TX 77010 | Oil & Gas Operator | Aug 2017 |
| 13093 | Hess Corporation, A De Corp. | | Oil & Gas Operator | Oct 2006 |
| 13094 | Hess Ohio Developments LLC | Houston, TX 77010 | Oil & Gas Operator | Sep 2018 |
| 13095 | Hess Ohio Resources LLC | Houston, TX 77010 | Oil & Gas Operator | Jun 2014 |
| 13096 | Hess Oil Company | McPherson, KS 67460 | Oil & Gas Operator | Sep 2025 |
| 13097 | Hess Production | Quitaque, TX 79255 | Oil & Gas Operator | Mar 2026 |
| 13098 | Hess Seminole Assets LLC | Seminole, TX 79360 | Oil & Gas Operator | Aug 2017 |
| 13099 | Hess, Jay E. | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 13100 | Hess, Jerry Operating Co. | Muenster, TX 76252 | Oil & Gas Operator | Mar 2026 |