| 1301 | Holly Energy Inc | | Oil Operator | Apr 1983 |
| 1302 | Holly Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2008 |
| 1303 | Holmac Oil Company | Hobbs, NM 88240 | Oil & Gas Operator | May 1996 |
| 1304 | Holman Joe | Paden, OK 74860 | Gas Operator | May 1995 |
| 1305 | Holman Kendall | Paden, OK 74860-7116 | Oil & Gas Operator | Dec 2025 |
| 1306 | Holman Ray | Okemah, OK 74859-0029 | Gas Operator | May 2024 |
| 1307 | Holman Robert W | Prague, OK 74864-9230 | Oil & Gas Operator | Jan 2019 |
| 1308 | Holmes Exploration, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2015 |
| 1309 | Holmes Mary Ellen | Bristow, OK 74010 | Oil Operator | Mar 2015 |
| 1310 | Holmes Western Oil Corporation | | Oil & Gas Operator | Dec 2025 |
| 1311 | Holson Well Service | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 1312 | Holston-GR. Sou. Oil & Gas Co. | | Oil & Gas Operator | Mar 1981 |
| 1313 | Holt Andrew L "Mickey" | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2008 |
| 1314 | Holt Brothers | Gruver, TX 79040 | Gas Operator | Feb 2026 |
| 1315 | Holt IVan | | Oil Operator | Mar 1989 |
| 1316 | Holt IVan Leroy | | Oil & Gas Operator | Jan 1994 |
| 1317 | Holt James | Skiatook, OK 74070-0006 | Oil & Gas Operator | Feb 2020 |
| 1318 | Holt Jean | Claremore, OK 74017-9439 | Oil Operator | Mar 2015 |
| 1319 | Holt Oil & Gas C | | Oil Operator | Sep 1984 |
| 1320 | Holt Oil & Gas Corp | Dallas, TX 75231 | Oil & Gas Operator | Apr 1995 |
| 1321 | Holt Oil And Cattle LLC | Iola, TX 77861 | Oil & Gas Operator | Feb 2026 |
| 1322 | Holt, Carol | Independence, KS 67301 | Oil Operator | Jul 2025 |
| 1323 | Holt, Roger | Cherryvale, KS 67335 | Gas Operator | Mar 2003 |
| 1324 | Holtom, Bill, A General Partnership | Saint Paul, KS 66771 | Oil Operator | Jun 2024 |
| 1325 | Holton Bob | Okmulgee, OK 74447 | Oil & Gas Operator | May 2013 |
| 1326 | Holton Brothers | Canton, KS 67428 | Oil Operator | Apr 1990 |
| 1327 | Holwell Drilling Company | | Oil Operator | Sep 1992 |
| 1328 | Hom Oil Co. | | Gas Operator | Dec 1982 |
| 1329 | Hombre Oil Co., LTD. | Tyler, TX 75713 | Oil & Gas Operator | Apr 2021 |
| 1330 | Home Gas & Oil Co Inc | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2025 |
| 1331 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | Feb 2026 |
| 1332 | Home-Stake Oil & Gas Company | Plano, TX 75093 | Oil & Gas Operator | Sep 2025 |
| 1333 | Home-Stake Royalty Corp., The | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2014 |
| 1334 | Homeland Energy GP | Campbellsville, KY 42719 | Oil & Gas Operator | Dec 2021 |
| 1335 | Homeland Energy Ventures LLC | Pittsburgh, PA 15241-1633 | Oil & Gas Operator | Dec 2008 |
| 1336 | Homeland Gas & Oil, Inc | Roosevelt, UT 84066-1574 | Oil & Gas Operator | Dec 2025 |
| 1337 | Homeplace Oil And Gas | Caldwell, TX 77836 | Oil & Gas Operator | Feb 2021 |
| 1338 | Homer D. Oliver | | Gas Operator | Sep 1998 |
| 1339 | Homer E. Hines, Inc. | | Oil Operator | Sep 1978 |
| 1340 | Homer Oil Co LLC | Holdenville, OK 74848-3232 | Oil Operator | Sep 2025 |
| 1341 | Homestead Oil Inc | | Oil & Gas Operator | Jun 2014 |
| 1342 | Hominy Consulting, LLC | Canadian, TX 79014 | Oil & Gas Operator | Feb 2026 |
| 1343 | Hon R J Oil & Ga | | Oil Operator | Nov 1990 |
| 1344 | Hondo Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Nov 1996 |
| 1345 | Hondo Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Oct 1995 |
| 1346 | Hondo Oil & Gas Company | Roswell, NM 88202 | Oil & Gas Operator | Aug 2006 |
| 1347 | Hondo Operating, Inc. | | Oil & Gas Operator | Aug 1997 |
| 1348 | Honeck Oil Company | Austin, TX 78716 | Oil & Gas Operator | Mar 2008 |
| 1349 | Honeck Oil Company, LP | Austin, TX 78716 | Oil & Gas Operator | Dec 2010 |
| 1350 | Honesty Irving & Gladys | Fleming, OH 45729 | Oil & Gas Operator | Dec 2004 |
| 1351 | Honey Oil Co | Wichita, KS 67226 | Oil & Gas Operator | Mar 2009 |
| 1352 | Honey Well, LLC | Lenexa, KS 66219 | Oil Operator | Sep 2025 |
| 1353 | Honeymon Drilling Company LTD | Oklahoma City, OK 73147 | Oil & Gas Operator | Feb 1995 |
| 1354 | Hood, J. F. | Holliday, TX 76366 | Oil & Gas Operator | Apr 2010 |
| 1355 | Hood, J. Frank, Jr. | Arlington, TX 76006 | Oil & Gas Operator | Feb 2026 |
| 1356 | Hood, Joe B. | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2008 |
| 1357 | Hooker Phil Oil Operator | | Oil Operator | Aug 1996 |
| 1358 | Hooks & Hooks | Abilene, TX 79608 | Oil & Gas Operator | Feb 1999 |
| 1359 | Hooks Dwain | Tatums, OK 73487 | Oil & Gas Operator | Nov 2025 |
| 1360 | Hooper & Sons Investments Co.Inc | Tenaha, TX 75974 | Gas Operator | Nov 1997 |
| 1361 | Hooper, Charles G | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Aug 1997 |
| 1362 | Hooper, DR. Oil & Royalty Co. | Conroe, TX 77304 | Oil & Gas Operator | Sep 1999 |
| 1363 | Hootkins, Seymour G. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 1364 | Hootkins-Smith,La LTD. | | Gas Operator | Jun 1985 |
| 1365 | Hoots Jr, Willard | Martinsville, IN 46151 | Oil Operator | Dec 2023 |
| 1366 | Hoover & Wilson Exp & Prod Inc | Fort Smith, AR 72913-5171 | Gas Operator | Jul 2013 |
| 1367 | Hoover Frank W Dba Cherokee Drilling | Miramar Beach, FL 32550 | Oil & Gas Operator | Dec 2024 |
| 1368 | Hoover Gregory M | Wattsburg, PA 16442-2209 | Gas Operator | Dec 2025 |
| 1369 | Hoover Noble C | | Oil Operator | Nov 1992 |
| 1370 | Hoover Petroleum Company, LLC | Midland, TX 79701 | Oil Operator | Feb 2026 |
| 1371 | Hoover Producing & Operating | Newark, OH 43055 | Oil & Gas Operator | Dec 2001 |
| 1372 | Hopco Operating, Inc. | Stafford, TX 77497 | Oil & Gas Operator | Dec 2016 |
| 1373 | Hopco Resources Inc | Columbus, OH 43065 | Oil & Gas Operator | Dec 2024 |
| 1374 | Hope Company, LLC | Longmont, CO 80502 | Gas Operator | Feb 2012 |
| 1375 | Hope Energy, L.L.C. | Snyder, TX 79549 | Oil & Gas Operator | Feb 2026 |
| 1376 | Hope Gas, Inc. | Richmond, VA 23261 | Oil & Gas Operator | Dec 2010 |
| 1377 | Hope Oil Corporation | | Oil Operator | Jan 2026 |
| 1378 | Hope Oil Inc | Midland, TX 79702 | Oil & Gas Operator | Oct 2021 |
| 1379 | Hope Production, Inc. | Edinburg, TX 78540 | Oil & Gas Operator | Jan 2000 |
| 1380 | Hope'S Windows, Inc. | Jamestown, NY 14702 | Gas Operator | Dec 2024 |
| 1381 | Hopewell Oil & Gas Development Company | Columbus, OH 43228 | Oil & Gas Operator | Dec 2019 |
| 1382 | Hopewell Operating, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 1383 | Hopkins Engineering, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 1996 |
| 1384 | Hopkins, T. M. Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 1385 | Hoppe Oil & Gas | | Oil Operator | Nov 1992 |
| 1386 | Hoppe Oil & Gas Co., Inc. | Wichita, KS 67202 | Oil Operator | Jul 1998 |
| 1387 | Hopper Oil Co., Inc. | Winfield, KS 67156 | Oil Operator | Jul 2025 |
| 1388 | Hopper Oil Compa | | Oil Operator | Sep 1988 |
| 1389 | Hopper, Harlan | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 1390 | Hopper, Thornton | Midland, TX 79702 | Oil & Gas Operator | May 1995 |
| 1391 | Hopper, Thornton Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 1392 | Hopper-Barnett Inc. | Hobbs, NM 88241 | Oil & Gas Operator | Dec 1993 |
| 1393 | Hoppes Helen E | Depew, OK 74028-3428 | Oil & Gas Operator | Apr 2015 |
| 1394 | Horadam, Henry L. | Victoria, TX 77905 | Oil & Gas Operator | Oct 2008 |
| 1395 | Horan, Ken L. | Cross Plains, TX 76443 | Gas Operator | May 2002 |
| 1396 | Horansky Burrell Revocable Trust | Wichita Falls, TX 76309 | Oil Operator | Feb 2026 |
| 1397 | Horany, Ray & Ernest | Olney, TX 76374 | Oil & Gas Operator | May 2002 |
| 1398 | Horizon Barnsdall Energy Part LTD I Osage Only | | Oil Operator | Feb 2012 |
| 1399 | Horizon Energy | Vergas, MN 56587 | Oil & Gas Operator | Sep 2025 |
| 1400 | Horizon Energy Corporation | Sand Fork, WV 26430 | Oil & Gas Operator | Dec 2021 |