| 13401 | Holl Investment Co | Logan, OH 43138 | Oil & Gas Operator | Dec 2019 |
| 13402 | Holland Assoc | | Oil Operator | Sep 1987 |
| 13403 | Holland Oil & Gas | Brookesmith, TX 76827 | Oil & Gas Operator | Dec 2010 |
| 13404 | Holland Oil Co. | Petrolia, TX 76377 | Oil Operator | Aug 2010 |
| 13405 | Holland Production Co | | Oil Operator | Aug 1982 |
| 13406 | Holland, W. M. | Petrolia, TX 76377 | Oil & Gas Operator | Jul 2009 |
| 13407 | Hollandsworth & Travis | Longview, TX 75606 | Oil & Gas Operator | Mar 2001 |
| 13408 | Hollandsworth & Travis Oil | Longview, TX 75606 | Oil Operator | May 2003 |
| 13409 | Holleman & Parks Oil & Gas Inc | | Oil & Gas Operator | May 1995 |
| 13410 | Hollenbeck, Lloyd D. | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 13411 | Hollenshead Oil Co. | | Oil & Gas Operator | Mar 1992 |
| 13412 | Holler Oil Co. | San Angelo, TX 76906 | Oil & Gas Operator | Aug 2003 |
| 13413 | Holley Oil Company, LLC | Chappell Hill, TX 77426 | Oil & Gas Operator | Mar 2026 |
| 13414 | Holley Operating, L. L. C. | Abilene, TX 79601 | Oil Operator | Jul 2025 |
| 13415 | Holli-Tex Supply Co. | Holliday, TX 76366 | Oil & Gas Operator | May 2018 |
| 13416 | Holliday CSG Corp. | Holliday, TX 76366 | Oil & Gas Operator | Mar 2026 |
| 13417 | Holliday Drilling, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Dec 2020 |
| 13418 | Holliday Exploration Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 2005 |
| 13419 | Hollimon Oil Corporation | Castroville, TX 78009 | Oil & Gas Operator | Nov 2016 |
| 13420 | Hollis & Kathryn Nichols | Shinglehouse, PA 16748-2112 | Gas Operator | Dec 2015 |
| 13421 | Hollobaugh Paul A | Mayport, PA 16240-1710 | Gas Operator | Dec 2025 |
| 13422 | Holloway David A | Okmulgee, OK 74447-9191 | Oil & Gas Operator | Dec 2025 |
| 13423 | Holloway Oil Company | Austin, TX 78764 | Oil & Gas Operator | Feb 2004 |
| 13424 | Hollrah Exploration Company | Edmond, OK 73012 | Oil & Gas Operator | Jan 2026 |
| 13425 | Hollub Production Company | Seguin, TX 78156 | Oil & Gas Operator | Jul 2000 |
| 13426 | Hollub, Lambert Drilling Company | Seguin, TX 78155 | Oil & Gas Operator | Mar 2026 |
| 13427 | Holly Energy Inc | | Oil Operator | Apr 1983 |
| 13428 | Holly Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2008 |
| 13429 | Holmac Oil Company | Hobbs, NM 88240 | Oil & Gas Operator | May 1996 |
| 13430 | Holman Kendall | Paden, OK 74860-7116 | Oil & Gas Operator | Jan 2026 |
| 13431 | Holman Ray | Okemah, OK 74859-0029 | Gas Operator | May 2024 |
| 13432 | Holman Robert W | Prague, OK 74864-9230 | Oil & Gas Operator | Jan 2019 |
| 13433 | Holmes Exploration, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2015 |
| 13434 | Holmes Mary Ellen | Bristow, OK 74010 | Oil Operator | Mar 2015 |
| 13435 | Holmes Western Oil Corporation | | Oil & Gas Operator | Dec 2025 |
| 13436 | Holson Well Service | Albany, TX 76430 | Oil & Gas Operator | Mar 2026 |
| 13437 | Holston-GR. Sou. Oil & Gas Co. | | Oil & Gas Operator | Mar 1981 |
| 13438 | Holt Andrew L "Mickey" | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2008 |
| 13439 | Holt Brothers | Gruver, TX 79040 | Gas Operator | Mar 2026 |
| 13440 | Holt IVan | | Oil Operator | Mar 1989 |
| 13441 | Holt IVan Leroy | | Oil & Gas Operator | Jan 1994 |
| 13442 | Holt James | Skiatook, OK 74070-0006 | Oil & Gas Operator | Feb 2020 |
| 13443 | Holt Jean | Claremore, OK 74017-9439 | Oil Operator | Mar 2015 |
| 13444 | Holt Oil & Gas C | | Oil Operator | Sep 1984 |
| 13445 | Holt Oil & Gas Corp | Dallas, TX 75231 | Oil & Gas Operator | Apr 1995 |
| 13446 | Holt Oil And Cattle LLC | Iola, TX 77861 | Oil & Gas Operator | Mar 2026 |
| 13447 | Holt, Carol | Independence, KS 67301 | Oil Operator | Jul 2025 |
| 13448 | Holt, Roger | Cherryvale, KS 67335 | Gas Operator | Mar 2003 |
| 13449 | Holtom, Bill, A General Partnership | Saint Paul, KS 66771 | Oil Operator | Jun 2024 |
| 13450 | Holton Brothers | Canton, KS 67428 | Oil Operator | Apr 1990 |
| 13451 | Holwell Drilling Company | | Oil Operator | Sep 1992 |
| 13452 | Hombre Oil Co., LTD. | Tyler, TX 75713 | Oil & Gas Operator | Apr 2021 |
| 13453 | Home Gas & Oil Co Inc | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 13454 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | Mar 2026 |
| 13455 | Home-Stake Oil & Gas Company | Plano, TX 75093 | Oil & Gas Operator | Sep 2025 |
| 13456 | Home-Stake Royalty Corp., The | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2014 |
| 13457 | Homeland Energy GP | Campbellsville, KY 42719 | Oil & Gas Operator | Dec 2021 |
| 13458 | Homeland Energy Ventures LLC | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Dec 2008 |
| 13459 | Homeland Gas & Oil, Inc | Roosevelt, UT 84066-1574 | Oil & Gas Operator | Jan 2026 |
| 13460 | Homeplace Oil And Gas | Caldwell, TX 77836 | Oil & Gas Operator | Feb 2021 |
| 13461 | Homer D. Oliver | | Gas Operator | Sep 1998 |
| 13462 | Homer E. Hines, Inc. | | Oil Operator | Sep 1978 |
| 13463 | Homer Oil Co LLC | Holdenville, OK 74848-3232 | Oil Operator | Sep 2025 |
| 13464 | Homestead Oil Inc | | Oil & Gas Operator | Jun 2014 |
| 13465 | Hominy Consulting, LLC | Canadian, TX 79014 | Oil & Gas Operator | Mar 2026 |
| 13466 | Hon R J Oil & Ga | | Oil Operator | Nov 1990 |
| 13467 | Hondo Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Nov 1996 |
| 13468 | Hondo Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Oct 1995 |
| 13469 | Hondo Oil & Gas Company | Roswell, NM 88202 | Oil & Gas Operator | Aug 2006 |
| 13470 | Hondo Operating, Inc. | | Oil & Gas Operator | Aug 1997 |
| 13471 | Honeck Oil Company | Austin, TX 78716 | Oil & Gas Operator | Mar 2008 |
| 13472 | Honeck Oil Company, LP | Austin, TX 78716 | Oil & Gas Operator | Dec 2010 |
| 13473 | Honey Oil Co | Wichita, KS 67226 | Oil & Gas Operator | Mar 2009 |
| 13474 | Honey Well, LLC | Lenexa, KS 66219 | Oil Operator | Sep 2025 |
| 13475 | Honeymon Drilling Company LTD | Oklahoma City, OK 73147 | Oil & Gas Operator | Feb 1995 |
| 13476 | Hood, J. F. | Holliday, TX 76366 | Oil & Gas Operator | Apr 2010 |
| 13477 | Hood, J. Frank, Jr. | Arlington, TX 76006 | Oil & Gas Operator | Mar 2026 |
| 13478 | Hood, Joe B. | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2008 |
| 13479 | Hooker Phil Oil Operator | | Oil Operator | Aug 1996 |
| 13480 | Hooks & Hooks | Abilene, TX 79608 | Oil & Gas Operator | Feb 1999 |
| 13481 | Hooks Dwain | Tatums, OK 73487 | Oil & Gas Operator | Nov 2025 |
| 13482 | Hooper & Sons Investments Co.Inc | Tenaha, TX 75974 | Gas Operator | Nov 1997 |
| 13483 | Hooper, DR. Oil & Royalty Co. | Conroe, TX 77304 | Oil & Gas Operator | Sep 1999 |
| 13484 | Hootkins, Seymour G. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 13485 | Hootkins-Smith,La LTD. | | Gas Operator | Jun 1985 |
| 13486 | Hoover & Wilson Exp & Prod Inc | Fort Smith, AR 72913-5171 | Gas Operator | Jul 2013 |
| 13487 | Hoover Frank W Dba Cherokee Drilling | Miramar Beach, FL 32550 | Oil & Gas Operator | Dec 2024 |
| 13488 | Hoover Gregory M | Wattsburg, PA 16442-2209 | Gas Operator | Dec 2025 |
| 13489 | Hoover Noble C | | Oil Operator | Nov 1992 |
| 13490 | Hoover Petroleum Company, LLC | Midland, TX 79701 | Oil Operator | Mar 2026 |
| 13491 | Hoover Producing & Operating | Newark, OH 43055 | Oil & Gas Operator | Dec 2001 |
| 13492 | Hopco Operating, Inc. | Stafford, TX 77497 | Oil & Gas Operator | Dec 2016 |
| 13493 | Hopco Resources Inc | Columbus, OH 43065 | Oil & Gas Operator | Dec 2024 |
| 13494 | Hope Company, LLC | Longmont, CO 80502 | Gas Operator | Feb 2012 |
| 13495 | Hope Energy, L.L.C. | Snyder, TX 79549 | Oil & Gas Operator | Mar 2026 |
| 13496 | Hope Gas, Inc. | Richmond, VA 23261 | Oil & Gas Operator | Dec 2010 |
| 13497 | Hope Oil Corporation | | Oil Operator | Jan 2026 |
| 13498 | Hope Oil Inc | Midland, TX 79702 | Oil & Gas Operator | Oct 2021 |
| 13499 | Hope Production, Inc. | Edinburg, TX 78540 | Oil & Gas Operator | Jan 2000 |
| 13500 | Hope'S Windows, Inc. | Jamestown, NY 14702 | Gas Operator | Dec 2024 |