| 13301 | Homeland Energy Ventures LLC | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Dec 2008 |
| 13302 | Homeland Gas & Oil, Inc | Roosevelt, UT 84066-1574 | Oil & Gas Operator | Oct 2024 |
| 13303 | Homeplace Oil And Gas | Caldwell, TX 77836 | Oil & Gas Operator | Feb 2021 |
| 13304 | Homer D. Oliver | | Gas Operator | Sep 1998 |
| 13305 | Homer E. Hines, Inc. | | Oil Operator | Sep 1978 |
| 13306 | Homer Oil Co LLC | Holdenville, OK 74848-3232 | Oil Operator | Sep 2024 |
| 13307 | Homestead Oil Inc | | Oil & Gas Operator | Jan 2018 |
| 13308 | Hon R J Oil & Ga | | Oil Operator | Nov 1990 |
| 13309 | Hondo Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Nov 1996 |
| 13310 | Hondo Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Oct 1995 |
| 13311 | Hondo Oil & Gas Company | Roswell, NM 88202 | Oil & Gas Operator | Aug 2006 |
| 13312 | Hondo Operating, Inc. | | Oil & Gas Operator | Aug 1997 |
| 13313 | Honeck Oil Company | Austin, TX 78716 | Oil & Gas Operator | Mar 2008 |
| 13314 | Honeck Oil Company, LP | Austin, TX 78716 | Oil & Gas Operator | Dec 2010 |
| 13315 | Honey Oil Co | Wichita, KS 67226 | Oil & Gas Operator | Mar 2009 |
| 13316 | Honey Well, LLC | Lenexa, KS 66219 | Oil Operator | Jul 2024 |
| 13317 | Honeymon Drilling Company LTD | Oklahoma City, OK 73147 | Oil & Gas Operator | Feb 1995 |
| 13318 | Hood Oil And Gas LLC | Tulsa, OK 74146-5805 | Oil Operator | Sep 2024 |
| 13319 | Hood, J. F. | Holliday, TX 76366 | Oil & Gas Operator | Apr 2010 |
| 13320 | Hood, J. Frank, Jr. | Arlington, TX 76006 | Oil & Gas Operator | Nov 2024 |
| 13321 | Hood, Joe B. | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2008 |
| 13322 | Hooker Phil Oil Operator | | Oil Operator | Aug 1996 |
| 13323 | Hooks & Hooks | Abilene, TX 79608 | Oil & Gas Operator | Feb 1999 |
| 13324 | Hooks Dwain | Tatums, OK 73487 | Oil & Gas Operator | Jul 2024 |
| 13325 | Hooper & Sons Investments Co.Inc | Tenaha, TX 75974 | Gas Operator | Nov 1997 |
| 13326 | Hooper, DR. Oil & Royalty Co. | Conroe, TX 77304 | Oil & Gas Operator | Sep 1999 |
| 13327 | Hootkins, Seymour G. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 13328 | Hootkins-Smith,La LTD. | | Gas Operator | Jun 1985 |
| 13329 | Hoots Jr, Willard | Martinsville, IN 46151 | Oil Operator | Dec 2022 |
| 13330 | Hoover & Wilson Exp & Prod Inc | Fort Smith, AR 72913-5171 | Gas Operator | Jul 2013 |
| 13331 | Hoover Frank W Dba Cherokee Drilling | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2023 |
| 13332 | Hoover Gregory M | Wattsburg, PA 16442-2209 | Gas Operator | Dec 2023 |
| 13333 | Hoover Noble C | | Oil Operator | Nov 1992 |
| 13334 | Hoover Petroleum Company, LLC | Midland, TX 79701 | Oil Operator | Nov 2024 |
| 13335 | Hoover Producing & Operating | Newark, OH 43055 | Oil & Gas Operator | Dec 2001 |
| 13336 | Hopco Operating, Inc. | Stafford, TX 77497 | Oil & Gas Operator | Dec 2016 |
| 13337 | Hopco Resources Inc | Columbus, OH 43065 | Oil & Gas Operator | Dec 2023 |
| 13338 | Hope Company, LLC | Longmont, CO 80502 | Gas Operator | Feb 2012 |
| 13339 | Hope Energy, L.L.C. | Snyder, TX 79549 | Oil & Gas Operator | Nov 2024 |
| 13340 | Hope Gas, Inc. | Richmond, VA 23261 | Oil & Gas Operator | Dec 2010 |
| 13341 | Hope Oil Corporation | | Oil Operator | Jul 2024 |
| 13342 | Hope Oil Inc | Midland, TX 79702 | Oil & Gas Operator | Oct 2021 |
| 13343 | Hope Production, Inc. | Edinburg, TX 78540 | Oil & Gas Operator | Jan 2000 |
| 13344 | Hope'S Windows, Inc. | Jamestown, NY 14702 | Gas Operator | Dec 2023 |
| 13345 | Hopewell Oil & Gas Development Company | Columbus, OH 43228 | Oil & Gas Operator | Dec 2019 |
| 13346 | Hopewell Operating, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2024 |
| 13347 | Hopkins Engineering, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 1996 |
| 13348 | Hopkins, T. M. Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2024 |
| 13349 | Hoppe Oil & Gas | | Oil Operator | Nov 1992 |
| 13350 | Hoppe Oil & Gas Co., Inc. | Wichita, KS 67202 | Oil Operator | Jul 1998 |
| 13351 | Hopper Oil Co., Inc. | Winfield, KS 67156 | Oil Operator | Jul 2024 |
| 13352 | Hopper Oil Compa | | Oil Operator | Sep 1988 |
| 13353 | Hopper, Harlan | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 13354 | Hopper, Thornton Co. | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 13355 | Hoppes Helen E | Depew, OK 74028-3428 | Oil & Gas Operator | Apr 2015 |
| 13356 | Horadam, Henry L. | Victoria, TX 77905 | Oil & Gas Operator | Oct 2008 |
| 13357 | Horan, Ken L. | Cross Plains, TX 76443 | Gas Operator | May 2002 |
| 13358 | Horansky Burrell Revocable Trust | Wichita Falls, TX 76308 | Oil Operator | Nov 2024 |
| 13359 | Horany, Ray & Ernest | Olney, TX 76374 | Oil & Gas Operator | May 2002 |
| 13360 | Horizon & Barnsdall | Tulsa, OK 74102 | Oil Operator | Feb 2012 |
| 13361 | Horizon Energy | Vergas, MN 56587 | Oil & Gas Operator | Nov 2024 |
| 13362 | Horizon Energy Corporation | Sand Fork, WV 26430 | Oil & Gas Operator | Dec 2021 |
| 13363 | Horizon Expl. & Dev. Co., Inc. | | Oil & Gas Operator | Jun 1995 |
| 13364 | Horizon Exploration Company | Houston, TX 77019 | Oil & Gas Operator | Aug 2002 |
| 13365 | Horizon Exploration Services | El Paso, TX 79922 | Oil Operator | Nov 2024 |
| 13366 | Horizon Natural Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Aug 2024 |
| 13367 | Horizon Natural Gas, LLC | | Oil & Gas Operator | Dec 2018 |
| 13368 | Horizon Natural Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2019 |
| 13369 | Horizon Oil & Ga | | Oil & Gas Operator | Jan 1992 |
| 13370 | Horizon Oil & Gas Co. | Dallas, TX 75221 | Oil & Gas Operator | Jan 2005 |
| 13371 | Horizon Operating Co. | | Oil & Gas Operator | Dec 1995 |
| 13372 | Horizon Prod. And Operating, LLC | Houston, TX 77019 | Oil & Gas Operator | Nov 2024 |
| 13373 | Horizon Resources Inc | Fort Worth, TX 76101-1978 | Oil & Gas Operator | Jul 2006 |
| 13374 | Horizon Ridge Oil Company | Austin, TX 78738 | Oil Operator | Nov 2024 |
| 13375 | Horizon Well Services, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Nov 2024 |
| 13376 | Horizontal Development & Production Inc | Lubbock, TX 79493 | Oil & Gas Operator | Jul 2002 |
| 13377 | Horn Eddie L Dba B & E Investments | Bristow, OK 74010 | Oil & Gas Operator | Aug 2024 |
| 13378 | Horn Energy | Eastland, TX 76448 | Oil & Gas Operator | Nov 2024 |
| 13379 | Horn Hank | Pawauska, OK 74056 | Oil Operator | Apr 2009 |
| 13380 | Horn Oil Company | Bristow, OK 74010 | Oil & Gas Operator | Aug 2024 |
| 13381 | Horn R L & Sons Drilling | | Oil Operator | Jun 1997 |
| 13382 | Horn, W. J. | Graham, TX 76450 | Oil & Gas Operator | Oct 2004 |
| 13383 | Horne & Moore Oil Co. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2001 |
| 13384 | Horner Oil And Gas Production, Inc. | Cameron, WV 26033 | Oil & Gas Operator | Dec 2021 |
| 13385 | Horning, Jeremiah | Penn Yan, NY 14527 | Gas Operator | Dec 2023 |
| 13386 | Horseshoe Oil Co | Cromwell, OK 74837 | Oil & Gas Operator | Dec 2021 |
| 13387 | Horseshoe Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 2023 |
| 13388 | Horseshoe Production, LLC | Bryson, TX 76427 | Oil Operator | Nov 2024 |
| 13389 | Horst Energy LLC | Fort Worth, TX 76124 | Oil & Gas Operator | Jun 2019 |
| 13390 | Horst Oil, LLC | Pittsburg, MO 65724 | Oil Operator | Dec 2009 |
| 13391 | Hortin & Huffman Pet Geol | Worthington, OH 43085 | Oil & Gas Operator | Dec 2000 |
| 13392 | Horton & Freeman | | Oil Operator | Apr 1983 |
| 13393 | Horton Mary | Ratliff City, OK 73481 | Oil Operator | May 2020 |
| 13394 | Horton Oil Company, Inc. | Independence, KS 67301 | Oil & Gas Operator | Jul 2000 |
| 13395 | Horton, Jack | Independence, KS 67301 | Oil & Gas Operator | Aug 2015 |
| 13396 | Horton, John | Sedan, KS 67361 | Oil & Gas Operator | Jul 2024 |
| 13397 | Hosco Operating Inc | Seminole, OK 74868-2447 | Oil & Gas Operator | Aug 2017 |
| 13398 | Hoselton, Earlie And Caroline | Ravenswood, WV 26164-8753 | Gas Operator | Dec 2021 |
| 13399 | Hosford Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 1994 |
| 13400 | Hosston Oil Inc. | | Oil Operator | Dec 1993 |