| 13201 | Horton, John | Sedan, KS 67361 | Oil & Gas Operator | Feb 2026 |
| 13202 | Hosco Operating Inc | Seminole, OK 74868-2447 | Oil & Gas Operator | Aug 2017 |
| 13203 | Hosford Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 1994 |
| 13204 | Hosston Oil Inc. | | Oil Operator | Dec 1993 |
| 13205 | Hostetler Glenn And Kristina Dba Hostetler Enterprises | Morris, OK 74445 | Oil Operator | Mar 2026 |
| 13206 | Hot Rod Oil | Vernal, UT 84078 | Oil & Gas Operator | May 2026 |
| 13207 | Hot Springs Resources LTD | Casper, WY 82601 | Oil Operator | Dec 2014 |
| 13208 | Hottel Glenn D | W Salem, OH 44287 | Oil & Gas Operator | Dec 1993 |
| 13209 | Hottel Oil & Gas LLC | Wooster, OH 44691-7639 | Oil & Gas Operator | Dec 2013 |
| 13210 | Hotulke Construction LLC | Seminole, OK 74868 | Oil & Gas Operator | Mar 2026 |
| 13211 | Hou-Tex Oil And Gas | | Oil & Gas Operator | Jul 1982 |
| 13212 | Hou-Tex, Inc. | Houston, TX 77224 | Oil & Gas Operator | Jun 2001 |
| 13213 | Houchin, O. E. Inc. | Olney, IL 62450 | Oil & Gas Operator | Feb 1997 |
| 13214 | Hough Oil And Gas | Hominy, OK 74035 | Oil Operator | Mar 2026 |
| 13215 | Houghton Investments LLC | Columbus, OH 43235 | Oil & Gas Operator | Dec 2025 |
| 13216 | Houghton Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2009 |
| 13217 | Houma Operating Company, Inc. | | Oil & Gas Operator | Jun 1998 |
| 13218 | Houma Salt Water Disposal Corp | | Oil Operator | Dec 2020 |
| 13219 | Hound Resources LLC | | Oil & Gas Operator | Apr 2026 |
| 13220 | Hounds Oil & Gas LLC | Carbon Hill, OH 43111 | Oil & Gas Operator | Dec 2025 |
| 13221 | House Thomas J | | Oil Operator | Jun 2026 |
| 13222 | House, Dustin | Shawnee, KS 66218 | Oil Operator | Jan 2026 |
| 13223 | Houseco Petroleum Inc | Bristow, OK 74010-0842 | Oil & Gas Operator | Aug 2002 |
| 13224 | Householder Oil Co | Junction City, OH 43748 | Oil & Gas Operator | Dec 1988 |
| 13225 | Houseknecht Oil Producers Inc | | Oil & Gas Operator | Dec 1994 |
| 13226 | Housel John R Jr | | Oil Operator | Oct 1994 |
| 13227 | Housel, Robert E. | Cherryvale, KS 67335 | Oil & Gas Operator | Dec 2003 |
| 13228 | Houser, R. G. | | Oil Operator | Mar 1953 |
| 13229 | Houston Energy & Dev. Inc. | | Oil & Gas Operator | Apr 1994 |
| 13230 | Houston Energy Operating, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jul 2020 |
| 13231 | Houston Energy, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2014 |
| 13232 | Houston Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
| 13233 | Houston Gulf Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2026 |
| 13234 | Houston Hydrocarbons, Inc. (A) | Houston, TX 77042 | Oil & Gas Operator | Sep 2004 |
| 13235 | Houston Hydrolan | | Oil Operator | Jul 1984 |
| 13236 | Houston Oil & Gas Company, Inc. | Houston, TX 77063 | Oil & Gas Operator | Aug 1995 |
| 13237 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
| 13238 | Houston Oil And Minerals | | Oil & Gas Operator | Oct 1993 |
| 13239 | Houston Oil Fields Company | | Oil & Gas Operator | Apr 1987 |
| 13240 | Houston Oil Prod Enterprises,Inc | Houston, TX 77006 | Oil & Gas Operator | Jun 2026 |
| 13241 | Houston Operating, Inc. | Houston, TX 77027 | Oil & Gas Operator | Jun 2026 |
| 13242 | Houston Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | Jun 2026 |
| 13243 | Houston Resources Corp. | Houston, TX 77002 | Oil & Gas Operator | Apr 2003 |
| 13244 | Houtchens, D. D. | Gainesville, TX 76240 | Oil & Gas Operator | Jun 2026 |
| 13245 | Houtchens, DD & Anna D LVNG TRST | Garland, TX 75043 | Oil Operator | Jun 2025 |
| 13246 | Hovgard & Fitzgerald | Abilene, TX 79608 | Oil & Gas Operator | Mar 1996 |
| 13247 | Howard & Taylor | Wynnewood, OK 73098 | Oil & Gas Operator | Mar 2026 |
| 13248 | Howard Drilling Inc | Mount Jewett, PA 16740-0556 | Oil & Gas Operator | Dec 2025 |
| 13249 | Howard E. Caywood Inc. | | Oil & Gas Operator | Mar 2026 |
| 13250 | Howard Energy Co Inc | | Oil & Gas Operator | Aug 2011 |
| 13251 | Howard Exploration, Inc. | Houston, TX 77069 | Oil & Gas Operator | Dec 2025 |
| 13252 | Howard Operating Co. | Saint Jo, TX 76265 | Oil & Gas Operator | Jun 2026 |
| 13253 | Howard'S Well Service | | Oil Operator | Jul 2007 |
| 13254 | Howard, Anthony D | Philpot, KY 42366 | Oil Operator | Dec 2023 |
| 13255 | Howard, Anthony E. F. | Tyler, TX 75701 | Oil & Gas Operator | Jun 2001 |
| 13256 | Howard, Douglas J. | Houston, TX 77070 | Oil & Gas Operator | Mar 2008 |
| 13257 | Howard, Lorna Agent | | Oil & Gas Operator | Dec 2021 |
| 13258 | Howard, Patrick M. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 13259 | Howard, Terry | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 13260 | Howco Oil And Gas | Stroud, OK 74079-9604 | Oil & Gas Operator | Mar 2015 |
| 13261 | Howden Petroleum Corp | Wetumka, OK 74883 | Gas Operator | Nov 1997 |
| 13262 | Howdyshell Pumping Inc | Logan, OH 43138 | Oil Operator | Dec 2025 |
| 13263 | Howe, Thomas L. | Hunt, NY 14846 | Gas Operator | Dec 2024 |
| 13264 | Howell & Sandlin, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Jan 2001 |
| 13265 | Howell Bill J | Calvin, OK 74531-0248 | Oil & Gas Operator | Sep 2016 |
| 13266 | Howell C W | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2015 |
| 13267 | Howell Crane & Rigging, Inc. | San Antonio, TX 78220 | Oil Operator | Jun 2026 |
| 13268 | Howell Drilling, Inc. | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2003 |
| 13269 | Howell Jason | Wynona, OK 74084 | Oil Operator | Mar 2026 |
| 13270 | Howell Oil & Gas, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Oct 2019 |
| 13271 | Howell Oil Compa | | Oil & Gas Operator | Aug 1995 |
| 13272 | Howell Oil Company | Hutchinson, KS 67504 | Oil & Gas Operator | Feb 2026 |
| 13273 | Howell Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Oct 2015 |
| 13274 | Howell'S Well Service, Inc. | | Oil & Gas Operator | Mar 2026 |
| 13275 | Howell, Betty L. | Lakewood, NY 14750 | Gas Operator | Dec 2024 |
| 13276 | Howells Oil & Gas | Graysville, OH 45734 | Oil & Gas Operator | Dec 2025 |
| 13277 | Howitzer Operating, LLC | Dallas, TX 75380 | Oil Operator | Jun 2026 |
| 13278 | Howle Operating Account, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 1999 |
| 13279 | Howle, A.G. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2011 |
| 13280 | Howles, William A | Savona, NY 14879 | Gas Operator | Dec 2024 |
| 13281 | Hoy Production LLC | | Gas Operator | Apr 2026 |
| 13282 | Hoyt Energy L.L.C. | | Oil Operator | Mar 2026 |
| 13283 | Hoyt John C | Bartlesville, OK 74005-1316 | Oil Operator | Feb 2000 |
| 13284 | Hoyt Oil & Gas LLC | Cushing, OK 74023-0442 | Oil & Gas Operator | Apr 2026 |
| 13285 | HPC Energy LLC | Midland, TX 79703 | Oil & Gas Operator | Aug 2013 |
| 13286 | HPC Incorporated | Denver, CO 80202 | Oil & Gas Operator | Nov 1998 |
| 13287 | HPC Operating, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Mar 2008 |
| 13288 | Hpoc, LLC | Cuba, NM 87013 | Oil Operator | Aug 2025 |
| 13289 | HPPC, Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 13290 | HR Energy LLC | Shelby, MT 59474 | Oil & Gas Operator | Apr 2026 |
| 13291 | HR McClure | | Gas Operator | Dec 2018 |
| 13292 | HR Petroleum | Corpus Christ, TX 78413 | Oil & Gas Operator | Apr 1998 |
| 13293 | HRB Oil | Houston, TX 77042 | Oil & Gas Operator | Oct 1998 |
| 13294 | HRB Operating Company, Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jun 2026 |
| 13295 | Hrbacek Oil Corp. | La Grange, TX 78945 | Oil & Gas Operator | Feb 2004 |
| 13296 | Hrbek, R. L. | Merino, CO 80741 | Oil & Gas Operator | Jan 2024 |
| 13297 | HRC Inc | Hobbs, NM 88241 | Gas Operator | Jun 2017 |
| 13298 | HRC Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2017 |
| 13299 | HRC Production Co | Houston, TX 77024 | Oil & Gas Operator | Apr 2026 |
| 13300 | HRF Exploration & Production LLC | Gaylord, MI 49734-0160 | Gas Operator | Jun 2026 |