| 13301 | Hoehn Oil LLC | Wellsville, KS 66092 | Oil Operator | Jun 2025 |
| 13302 | Hoell Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Nov 2025 |
| 13303 | Hoelscher, Weldon | San Angelo, TX 76904 | Oil & Gas Operator | Aug 2003 |
| 13304 | Hoener Ross Inco | | Oil Operator | Dec 1991 |
| 13305 | Hoener, Ross | Iuka, KS 67066 | Oil & Gas Operator | May 2025 |
| 13306 | Hoepker, Larry | Humboldt, KS 66748 | Oil Operator | Dec 2024 |
| 13307 | Hoermann, S. E. | Seguin, TX 78155 | Oil & Gas Operator | Nov 2025 |
| 13308 | Hofco, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Nov 2025 |
| 13309 | Hoff Elmer & Mildred | | Oil & Gas Operator | Jan 1991 |
| 13310 | Hoff Oil & Gas | | Oil Operator | May 2013 |
| 13311 | Hoffman George A | | Oil & Gas Operator | Dec 2022 |
| 13312 | Hoffman Oil & Gas Company | | Oil & Gas Operator | Aug 1997 |
| 13313 | Hoffman Oil, Inc. | Claflin, KS 67525 | Oil Operator | Jun 2025 |
| 13314 | Hoffman Petroleu | | Oil Operator | Sep 1989 |
| 13315 | Hoffman Petroleum, Inc. | Littleton, CO 80120 | Oil Operator | Sep 1996 |
| 13316 | Hoffman Resources LLC | Hoisington, KS 67544 | Oil & Gas Operator | Jun 2025 |
| 13317 | Hoffman, Brian | Claflin, KS 67525 | Oil Operator | May 2025 |
| 13318 | Hoffman, Carol | Strykersville, NY 14145 | Gas Operator | Dec 2024 |
| 13319 | Hoffman, Myrle F. | Denver, CO 80202 | Oil Operator | Dec 1986 |
| 13320 | Hoffmann Oil Company | Eastland, TX 76448 | Oil & Gas Operator | Nov 2025 |
| 13321 | Hofland, James D. | Kevin, MT 59454 | Oil & Gas Operator | Aug 2025 |
| 13322 | Hog Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2025 |
| 13323 | Hogan Drilling Company, Inc. | | Oil & Gas Operator | Mar 1981 |
| 13324 | Hogan Energy Corporation | | Oil & Gas Operator | Oct 1999 |
| 13325 | Hogan Energy, Inc. | | Oil & Gas Operator | Dec 2015 |
| 13326 | Hogan Exploration, Inc. | | Oil & Gas Operator | Mar 2000 |
| 13327 | Hogan, Wayne Oil Co. | Albany, TX 76430 | Oil & Gas Operator | Jun 2006 |
| 13328 | Hogback Exploration Inc | Fort Smith, AR 72916 | Oil & Gas Operator | Jul 2025 |
| 13329 | Hoge Oil & Gas Expl Inc | Edmond, OK 73013-3709 | Oil & Gas Operator | Sep 2023 |
| 13330 | Hoggard, Kenneth | Loving, TX 76460 | Oil & Gas Operator | Nov 2025 |
| 13331 | Hogoboom Al Oilf | | Oil Operator | Oct 1990 |
| 13332 | Hoke Jr J T | Edmond, OK 73034 | Oil Operator | Nov 1998 |
| 13333 | Hokio LLC | Norman, OK 73072 | Oil Operator | Jul 2025 |
| 13334 | Holbein & Wright Resources Inc. | Bandera, TX 78003 | Oil & Gas Operator | Nov 2025 |
| 13335 | Holbrook LLC | Bimble, KY 40915 | Oil & Gas Operator | Jun 2025 |
| 13336 | Holco Oil & Gas | Borger, TX 79008 | Oil & Gas Operator | Nov 2025 |
| 13337 | Holcomb Company, The | Freer, TX 78357 | Oil & Gas Operator | Aug 1996 |
| 13338 | Holcomb Enterprises | Clyde, TX 79510 | Oil & Gas Operator | Aug 2003 |
| 13339 | Holcomb Oil & Gas Inc | Farmington, NM 87401 | Oil & Gas Operator | Aug 2025 |
| 13340 | Holcomb Oil Comp | | Oil Operator | Sep 1991 |
| 13341 | Holden Energy Corporation | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2015 |
| 13342 | Holden Harold B | Billings, MT 59103 | Oil Operator | Jun 1996 |
| 13343 | Holden Oil & Gas | Abilene, TX 79608 | Oil & Gas Operator | Dec 2024 |
| 13344 | Holifield Oil Company | Giddings, TX 78942 | Oil & Gas Operator | Mar 2009 |
| 13345 | Holke Dave Consulting Inc | Meridian, ID 83646-4812 | Oil & Gas Operator | Jul 2025 |
| 13346 | Holl Investment Co | Logan, OH 43138 | Oil & Gas Operator | Dec 2019 |
| 13347 | Holland Assoc | | Oil Operator | Sep 1987 |
| 13348 | Holland Oil & Gas | Brookesmith, TX 76827 | Oil & Gas Operator | Dec 2010 |
| 13349 | Holland Oil Co. | Petrolia, TX 76377 | Oil Operator | Aug 2010 |
| 13350 | Holland Production Co | | Oil Operator | Aug 1982 |
| 13351 | Holland, W. M. | Petrolia, TX 76377 | Oil & Gas Operator | Jul 2009 |
| 13352 | Hollandsworth & Travis | Longview, TX 75606 | Oil & Gas Operator | Mar 2001 |
| 13353 | Hollandsworth & Travis Oil | Longview, TX 75606 | Oil Operator | May 2003 |
| 13354 | Holleman & Parks Oil & Gas Inc | | Oil & Gas Operator | May 1995 |
| 13355 | Hollenbeck, Lloyd D. | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 13356 | Hollenshead Oil Co. | | Oil & Gas Operator | Mar 1992 |
| 13357 | Holler Oil Co. | San Angelo, TX 76906 | Oil & Gas Operator | Aug 2003 |
| 13358 | Holley Oil Company, LLC | Chappell Hill, TX 77426 | Oil & Gas Operator | Nov 2025 |
| 13359 | Holley Operating, L. L. C. | Abilene, TX 79601 | Oil Operator | Jul 2025 |
| 13360 | Holli-Tex Supply Co. | Holliday, TX 76366 | Oil & Gas Operator | May 2018 |
| 13361 | Holliday CSG Corp. | Holliday, TX 76366 | Oil & Gas Operator | Nov 2025 |
| 13362 | Holliday Drilling, Inc. | Stephenville, TX 76401 | Oil & Gas Operator | Dec 2020 |
| 13363 | Holliday Exploration Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 2005 |
| 13364 | Hollimon Oil Corporation | Castroville, TX 78009 | Oil & Gas Operator | Nov 2016 |
| 13365 | Hollingsworth & Assoc | | Oil Operator | Feb 1987 |
| 13366 | Hollis & Kathryn Nichols | Shinglehouse, PA 16748-2112 | Gas Operator | Dec 2015 |
| 13367 | Hollobaugh Paul A | Mayport, PA 16240-1710 | Gas Operator | Dec 2024 |
| 13368 | Holloway David A | Okmulgee, OK 74447-9191 | Oil & Gas Operator | Jul 2025 |
| 13369 | Holloway Oil Company | Austin, TX 78764 | Oil & Gas Operator | Feb 2004 |
| 13370 | Hollrah Exploration Company | Edmond, OK 73012 | Oil & Gas Operator | Jul 2025 |
| 13371 | Hollub Production Company | Seguin, TX 78156 | Oil & Gas Operator | Jul 2000 |
| 13372 | Hollub, Lambert Drilling Company | Seguin, TX 78155 | Oil & Gas Operator | Nov 2025 |
| 13373 | Holly Energy Inc | | Oil Operator | Apr 1983 |
| 13374 | Holly Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2008 |
| 13375 | Holmac Oil Company | Hobbs, NM 88240 | Oil & Gas Operator | May 1996 |
| 13376 | Holman Kendall | Paden, OK 74860-7116 | Oil & Gas Operator | Jun 2025 |
| 13377 | Holman Ray | Okemah, OK 74859-0029 | Gas Operator | May 2024 |
| 13378 | Holman Robert W | Prague, OK 74864-9230 | Oil & Gas Operator | Jan 2019 |
| 13379 | Holmes Exploration, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2015 |
| 13380 | Holmes Mary Ellen | Bristow, OK 74010 | Oil Operator | Mar 2015 |
| 13381 | Holmes Western Oil Corporation | | Oil & Gas Operator | Sep 2025 |
| 13382 | Holson Well Service | Albany, TX 76430 | Oil & Gas Operator | Nov 2025 |
| 13383 | Holston-GR. Sou. Oil & Gas Co. | | Oil & Gas Operator | Mar 1981 |
| 13384 | Holt Andrew L "Mickey" | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2008 |
| 13385 | Holt Brothers | Gruver, TX 79040 | Gas Operator | Nov 2025 |
| 13386 | Holt IVan | | Oil Operator | Mar 1989 |
| 13387 | Holt IVan Leroy | | Oil & Gas Operator | Jan 1994 |
| 13388 | Holt James | Skiatook, OK 74070-0006 | Oil & Gas Operator | Feb 2020 |
| 13389 | Holt Jean | Claremore, OK 74017-9439 | Oil Operator | Mar 2015 |
| 13390 | Holt Oil & Gas C | | Oil Operator | Sep 1984 |
| 13391 | Holt Oil & Gas Corp | Dallas, TX 75231 | Oil & Gas Operator | Apr 1995 |
| 13392 | Holt Oil And Cattle LLC | Bedias, TX 77831 | Oil & Gas Operator | Nov 2025 |
| 13393 | Holt, Carol | Independence, KS 67301 | Oil Operator | Feb 2025 |
| 13394 | Holt, Roger | Cherryvale, KS 67335 | Gas Operator | Mar 2003 |
| 13395 | Holtom, Bill, A General Partnership | Saint Paul, KS 66771 | Oil Operator | Jun 2024 |
| 13396 | Holton Brothers | Canton, KS 67428 | Oil Operator | Apr 1990 |
| 13397 | Holwell Drilling Company | | Oil Operator | Sep 1992 |
| 13398 | Hombre Oil Co., LTD. | Tyler, TX 75713 | Oil & Gas Operator | Apr 2021 |
| 13399 | Home Gas & Oil Co Inc | Indiana, PA 15701-1532 | Oil & Gas Operator | Dec 2024 |
| 13400 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | Nov 2025 |