| 13201 | Henry, John Petroleum | Dallas, TX 75225 | Oil & Gas Operator | Dec 2001 |
| 13202 | Henscheid, Rufus | Muenster, TX 76252 | Oil Operator | Jan 2020 |
| 13203 | Hensley Oil Company LLC | Arkansas City, KS 67005 | Oil Operator | Sep 2025 |
| 13204 | Hensley, Cloide J. & Hazel M. | Arkansas City, KS 67005 | Oil Operator | Sep 2001 |
| 13205 | Henson Doyle | Okmulgee, OK 74447-4841 | Oil & Gas Operator | Jun 2020 |
| 13206 | Henson Exploration, L.P. | Abilene, TX 79608 | Oil & Gas Operator | Feb 2026 |
| 13207 | Henson Terry Dba Daycon Exploration | Tulsa, OK 74133 | Oil & Gas Operator | Sep 2025 |
| 13208 | Hep Oil Company, LTD. | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2012 |
| 13209 | Hep Oil GP, LLC | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
| 13210 | Herald Oil & Gas Co | Middleport, OH 45760-9000 | Oil & Gas Operator | Dec 2010 |
| 13211 | Herbaly Petroleum Corp | FT Worth, TX 76102 | Oil & Gas Operator | Feb 2002 |
| 13212 | Herber, Carl R. | Denton, TX 76205 | Oil & Gas Operator | Apr 2014 |
| 13213 | Herbert J. Schmitz | | Oil & Gas Operator | Dec 1987 |
| 13214 | Herbig Oil & Gas Co. | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 13215 | Herbig, J F | Midland, TX 79701 | Oil & Gas Operator | Mar 1998 |
| 13216 | Herbst Resources, Inc. | Mandeville, LA 70448 | Oil & Gas Operator | Aug 2003 |
| 13217 | Herco Exploration LLC | Billings, MT 59103 | Gas Operator | Oct 2024 |
| 13218 | Herd Producing Company, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2026 |
| 13219 | Hereford, J. A. Industries, Inc. | Nacogdoches, TX 75961 | Oil & Gas Operator | Feb 2026 |
| 13220 | Herencia Operating LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Feb 2026 |
| 13221 | Heritage Energy Company | | Oil & Gas Operator | Jun 2001 |
| 13222 | Heritage Energy Corporation | Waco, TX 76710 | Oil & Gas Operator | Sep 2004 |
| 13223 | Heritage Expl. & Prod. Co., Inc. | Stafford, TX 77497 | Oil & Gas Operator | Dec 2000 |
| 13224 | Heritage Exploration LLC | Oklahoma City, OK 73120-5622 | Oil & Gas Operator | Jan 2020 |
| 13225 | Heritage Gas Corporation | Shreveport, LA 71101 | Gas Operator | Aug 1997 |
| 13226 | Heritage Oil Company Inc | Norman, OK 73070 | Oil & Gas Operator | Jul 2008 |
| 13227 | Heritage Oil L.L.C. | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 13228 | Heritage Operating Co., Inc. The | Stafford, TX 77497 | Oil & Gas Operator | May 1997 |
| 13229 | Heritage Petroleum Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Feb 2026 |
| 13230 | Heritage Petroleum, Inc. | Stillwater, OK 74076 | Oil & Gas Operator | Feb 2026 |
| 13231 | Heritage Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Feb 2014 |
| 13232 | Heritage Standard Corporation | Dallas, TX 75206 | Oil & Gas Operator | Feb 2026 |
| 13233 | Herley Olive Holdings LLC | | Oil & Gas Operator | Nov 2025 |
| 13234 | Herley Petroleum | | Oil & Gas Operator | Dec 1997 |
| 13235 | Herley-Kelley LLC | | Oil & Gas Operator | Nov 2025 |
| 13236 | Herlihy John D. | | Oil & Gas Operator | May 1997 |
| 13237 | Herlin Et Al | | Oil & Gas Operator | Mar 1985 |
| 13238 | Herlindah Gallegos | | Oil Operator | Dec 2007 |
| 13239 | Herman Fields | | Oil & Gas Operator | May 1989 |
| 13240 | Herman J Ledbetter | Abilene, TX 79606 | Oil & Gas Operator | Jul 1999 |
| 13241 | Herman Krug - Oil Operations | | Oil Operator | Sep 2025 |
| 13242 | Herman L Loeb | Lawrenceville, IL 62439 | Oil & Gas Operator | Jul 2009 |
| 13243 | Herman L. Loeb LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Sep 2025 |
| 13244 | Herman Lang Oil And Gas Co. | | Oil & Gas Operator | Dec 1992 |
| 13245 | Herman Riemer Gas Co | Sarver, PA 16055-8507 | Oil & Gas Operator | Dec 2016 |
| 13246 | Herman V Wallis | Kerrville, TX 780281858 | Gas Operator | Feb 2003 |
| 13247 | Herman'S Supply Company | West Seneca, NY 14224 | Gas Operator | Dec 2024 |
| 13248 | Hermat Salt Water Disposal, Inc. | Corpus Chrsti, TX 78426 | Oil Operator | Aug 2012 |
| 13249 | Hermes, A. J. | Lindsay, TX 76250 | Oil & Gas Operator | Mar 2018 |
| 13250 | Hermreck Oil Com | | Oil & Gas Operator | Aug 1996 |
| 13251 | Hermreck Oil Company | | Oil Operator | Nov 2024 |
| 13252 | Herms, Walter | Luling, TX 78648 | Oil & Gas Operator | Sep 2002 |
| 13253 | Herndon Drilling | | Oil & Gas Operator | May 1988 |
| 13254 | Herod Investments, Inc. | Ranger, TX 76470 | Oil & Gas Operator | Jul 1999 |
| 13255 | Herod, Bill | Ranger, TX 76470 | Oil & Gas Operator | Apr 2022 |
| 13256 | Heron Operating, LLC | | Oil & Gas Operator | Sep 2025 |
| 13257 | Herricks Oil Co. | San Angelo, TX 76906 | Oil & Gas Operator | Jan 2010 |
| 13258 | Herring Production Co | | Oil & Gas Operator | Mar 1992 |
| 13259 | Herring, Casey Oil Co. | Santa Anna, TX 76878 | Oil & Gas Operator | Nov 2008 |
| 13260 | Herring, D Oil & Gas Co. | Santa Anna, TX 76878 | Oil & Gas Operator | Feb 2026 |
| 13261 | Herring, Ray | Graham, TX 76450 | Oil & Gas Operator | Jul 2014 |
| 13262 | Herrman & Ikenberry | Cushing, OK 74023-0247 | Oil & Gas Operator | Dec 2003 |
| 13263 | Herrmann Arnold | Chandler, OK 74834 | Oil & Gas Operator | Sep 2024 |
| 13264 | Herrmann Energy | Amarillo, TX 79159 | Oil & Gas Operator | May 2015 |
| 13265 | Herrmann J B Oil And Gas | Amarillo, TX 79159-0670 | Oil & Gas Operator | Feb 2015 |
| 13266 | Herrmann, J.B. | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2019 |
| 13267 | Herrmann, S. W. Oil & Gas | Amarillo, TX 79159 | Oil & Gas Operator | Feb 2026 |
| 13268 | Herschap Bros. | Bruni, TX 78344 | Oil & Gas Operator | Feb 2026 |
| 13269 | Hershey Oil | Pasadena, CA 91103 | Oil & Gas Operator | Dec 1988 |
| 13270 | Hershey Oil Corporation | | Oil & Gas Operator | Jul 1992 |
| 13271 | Hertel Oil Company | | Oil Operator | Nov 2018 |
| 13272 | Hertel Oil Company LLC | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 13273 | Herv Oil, LLC | Oklahoma City, OK 73116 | Oil Operator | Sep 2025 |
| 13274 | Herzfeld Fabricators Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 2017 |
| 13275 | Hesperus Energy II LLC | | Oil Operator | Aug 2025 |
| 13276 | Hess Bakken Investments II, LLC | | Oil & Gas Operator | Nov 2025 |
| 13277 | Hess Bros. DRLG. Co. | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2008 |
| 13278 | Hess Co2 Resources LLC | Seminole, TX 79360 | Gas Operator | Aug 2017 |
| 13279 | Hess Corporation | Houston, TX 77010 | Oil & Gas Operator | Aug 2017 |
| 13280 | Hess Corporation, A De Corp. | | Oil & Gas Operator | Oct 2006 |
| 13281 | Hess Ohio Developments LLC | Houston, TX 77010 | Oil & Gas Operator | Sep 2018 |
| 13282 | Hess Ohio Resources LLC | Houston, TX 77010 | Oil & Gas Operator | Jun 2014 |
| 13283 | Hess Oil Company | McPherson, KS 67460 | Oil & Gas Operator | Sep 2025 |
| 13284 | Hess Production | Quitaque, TX 79255 | Oil & Gas Operator | Feb 2026 |
| 13285 | Hess Seminole Assets LLC | Seminole, TX 79360 | Oil & Gas Operator | Aug 2017 |
| 13286 | Hess, Jay E. | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 13287 | Hess, Jerry Operating Co. | Muenster, TX 76252 | Oil & Gas Operator | Feb 2026 |
| 13288 | Hesse Petroleum Co.,L.L.C. | Wichita, KS 67208 | Oil & Gas Operator | Sep 2025 |
| 13289 | Hessert Edward C | | Oil & Gas Operator | Sep 1993 |
| 13290 | Hessert Loc Inc | Carl Junction, MO 64834 | Oil Operator | Dec 2009 |
| 13291 | Hester Jr J C | Lawton, OK 73502-1887 | Oil & Gas Operator | Oct 1997 |
| 13292 | Hester, Harold & Betty | Bowling Green, KY 42101 | Oil Operator | Dec 2023 |
| 13293 | Heston Oil Company | Tulsa, OK 74108 | Oil & Gas Operator | Mar 2005 |
| 13294 | Hetricks Farm Sply Inc | New Bethlehem, PA 16242-1832 | Gas Operator | Dec 2024 |
| 13295 | Hett Oil & Gas, LLC | Lincolnville, KS 66858 | Oil & Gas Operator | Sep 2025 |
| 13296 | Heuston Oil LLC | Bartlesville, OK 74006 | Oil & Gas Operator | Apr 2020 |
| 13297 | Hewitt Energy Group Inc | Salt Lake City, UT 84111 | Oil & Gas Operator | Apr 2015 |
| 13298 | Hewitt Oil, LLC | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 13299 | Hewitt, Alan P. | Midland, TX 79702 | Oil & Gas Operator | Aug 1997 |
| 13300 | Hewitt, Douglas R | | Oil Operator | May 2025 |