301 | Hankey Operating, Inc. | Houston, TX 77027 | Oil & Gas Operator | Mar 2016 |
302 | Hanson Minerals Co. | Houston, TX 77042 | Oil & Gas Operator | Oct 1993 |
303 | Hanson Production Company | Cuero, TX 77954 | Oil & Gas Operator | Jul 2009 |
304 | Hardwick Oil Company | Sugar Land, TX 77478 | Oil & Gas Operator | Nov 2014 |
305 | Haring Energy Company | Tuleta, TX 78162 | Oil & Gas Operator | Mar 2003 |
306 | Harken Exploration Company | Houston, TX 77079 | Oil & Gas Operator | Mar 2008 |
307 | Harper Hefte, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Apr 2024 |
308 | Hart Petroleum Services, Inc | Robstown, TX 78380 | Oil & Gas Operator | Apr 2024 |
309 | Harvey Brothers Oil & Gas | Corpus Chrsti, TX 78408 | Oil & Gas Operator | Jul 2004 |
310 | Harwood Exploration, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Aug 1995 |
311 | Hawn Brothers | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2003 |
312 | Henry, J.R. Inc | Brenham, TX 77833 | Oil & Gas Operator | Apr 2024 |
313 | Hermat Salt Water Disposal, Inc. | Corpus Chrsti, TX 78426 | Oil Operator | Aug 2012 |
314 | Hewitt, Robert J. | Victoria, TX 77901 | Oil & Gas Operator | Jun 2004 |
315 | Hgi Corporation | Nada, TX 77460 | Oil & Gas Operator | Apr 2016 |
316 | Hibbard Energy, LP | Whitehouse, TX 75791 | Oil & Gas Operator | Apr 2024 |
317 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Apr 2024 |
318 | Hollimon Oil Corporation | Castroville, TX 78009 | Oil & Gas Operator | Nov 2016 |
319 | Holloway Oil Company | Austin, TX 78764 | Oil & Gas Operator | Feb 2004 |
320 | Horizon Prod. And Operating, LLC | Houston, TX 77019 | Oil & Gas Operator | Apr 2024 |
321 | Houston Energy, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2014 |
322 | Houston Gulf Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2024 |
323 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
324 | Houston Operating, Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2024 |
325 | HRB Operating Company Inc | Bridgeport, TX 76426 | Oil & Gas Operator | Apr 2024 |
326 | Hughes, Dan A. Company | Beeville, TX 78104 | Oil & Gas Operator | May 2006 |
327 | Hughes, Dan A. Company, L.P. | Beeville, TX 78104 | Oil & Gas Operator | Apr 2024 |
328 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |
329 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
330 | Hunt, WM. Herbert, Trust Est. | Dallas, TX 75201 | Oil & Gas Operator | Sep 1998 |
331 | Hunter Petroleum Inc. | Alice, TX 78333 | Oil & Gas Operator | May 2014 |
332 | Hurd Ent.LTD/U.S.Enercorp,LLC | San Antonio, TX 78209 | Oil & Gas Operator | Aug 2002 |
333 | Hurd Enterprises, LTD. | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
334 | Hydrocarbon Horizons, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Apr 2024 |
335 | Hydrocarbon Operating, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
336 | Hyquest Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 2015 |
337 | Imperial Oil Company | Houston, TX 77073 | Oil & Gas Operator | Oct 2004 |
338 | Inca Oil Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2009 |
339 | Indexgeo & Associates, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 2009 |
340 | Inland Ocean, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Apr 2024 |
341 | Intercity Management Corp. | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Apr 2024 |
342 | Ip Petroleum Company, Inc. | Houston, TX 77210 | Oil & Gas Operator | Mar 2008 |
343 | Ipact | Austin, TX 78734 | Oil & Gas Operator | Apr 2024 |
344 | Ipr Energy Partners, L.P. | Bowie, TX 76230 | Oil & Gas Operator | Aug 2014 |
345 | Ipr Energy Partners, LLC | Bowie, TX 76230 | Oil & Gas Operator | Apr 2024 |
346 | Ipr USA Corp. | Irving, TX 75039 | Oil & Gas Operator | Jun 2009 |
347 | Italian-American Oil Co., Inc. | Tomball, TX 77377 | Oil & Gas Operator | Apr 2024 |
348 | J G Oil & Gas | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
349 | Jackson, Jeral W. Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2004 |
350 | Janssen, Nelson | Victoria, TX 77904 | Oil & Gas Operator | Apr 2024 |
351 | Jasper Operating Company | Dallas, TX 75206 | Oil & Gas Operator | Jun 2002 |
352 | JMC Resources Corp. | Houston, TX 77077 | Oil & Gas Operator | Apr 2024 |
353 | Joint Resources Company | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
354 | Jones, L. E. Operating, Inc. | Duncan, OK 73534 | Oil & Gas Operator | Apr 2024 |
355 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
356 | JTB Oil Company, Inc. | Refugio, TX 78377 | Oil & Gas Operator | Apr 2024 |
357 | K.M.A. Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
358 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2024 |
359 | Kaler Energy Corp. | Boerne, TX 78006 | Oil & Gas Operator | Apr 2024 |
360 | Kamlok Oil & Gas, Inc. | Houston, TX 77240 | Oil & Gas Operator | Jun 1996 |
361 | KCS Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2010 |
362 | Keahey Exploration, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2002 |
363 | Kebo Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Apr 2024 |
364 | Ken Petroleum Corporation | Dallas, TX 75206 | Oil & Gas Operator | Feb 2019 |
365 | Kenne Exploration, Inc. | Missouri City, TX 77489 | Oil & Gas Operator | Apr 2024 |
366 | Kerr-McGee Corporation | Dallas, TX 75380 | Oil & Gas Operator | Sep 2023 |
367 | Kerr-McGee Oil & Gas Onshore LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2017 |
368 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
369 | Key Operating & Equipment, Inc. | Midlothian, TX 76065 | Oil & Gas Operator | Apr 2024 |
370 | Killam Oil Co., LTD. | Laredo, TX 78042 | Oil & Gas Operator | Apr 2024 |
371 | Killam Oil Company | Laredo, TX 78042 | Oil & Gas Operator | Mar 1994 |
372 | Kling, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2000 |
373 | Klotzman, M. S. Exploration Co. | Victoria, TX 77903 | Oil & Gas Operator | Apr 2024 |
374 | KP Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 1997 |
375 | Kriken Oil & Gas | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Jul 2005 |
376 | KTC Oil Enterprises, LLC | Dallas, TX 75247 | Oil & Gas Operator | Apr 2024 |
377 | Laguna Oil & Gas Corp. | Weesatche, TX 77993 | Oil & Gas Operator | Apr 2024 |
378 | Lapco Oil & Gas Company | Houston, TX 77069 | Oil & Gas Operator | Oct 2015 |
379 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
380 | Legacy Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Apr 2024 |
381 | Legend Natural Gas II, LP | Houston, TX 77094 | Oil & Gas Operator | Feb 2015 |
382 | Legend Natural Gas, LP | Houston, TX 77084 | Oil & Gas Operator | Aug 2004 |
383 | Lighthouse Exploration, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Jul 2007 |
384 | Lightning Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
385 | Lime Rock Resources A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2024 |
386 | Linc Gulf Coast Petroleum, Inc. | Katy, TX 77494 | Oil & Gas Operator | Apr 2024 |
387 | Live Oak Gas Company | Dallas, TX 75251 | Oil & Gas Operator | Apr 2024 |
388 | Lomak Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 1998 |
389 | Loudon Exploration, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Mar 2008 |
390 | Louisiana Energy Consultant Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2024 |
391 | Lovelady, I. W. | Albuquerque, NM 87111 | Oil & Gas Operator | Jan 1996 |
392 | Low-End Oil LLC | Austin, TX 78748 | Oil Operator | Apr 2024 |
393 | Lundberg Operating Corporation | Dallas, TX 75225 | Oil & Gas Operator | Oct 2002 |
394 | Lynd, J. L., Inc. | Austin, TX 78716 | Oil & Gas Operator | Sep 2009 |
395 | Lytle Creek Operating, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Apr 2024 |
396 | M-V Company | Refugio, TX 78377 | Oil & Gas Operator | Jun 2004 |
397 | M. J. G., Inc. | Alice, TX 78333 | Oil & Gas Operator | Jul 2010 |
398 | Magnum Engineering Company | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
399 | Magnum Producing, LP | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
400 | Maralo, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1998 |