401 | Magnum Producing & Operating Co. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jan 2004 |
402 | Magnum Producing, LP | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
403 | Mark IV Energy | San Antonio, TX 78213 | Oil & Gas Operator | Apr 1993 |
404 | Marquee Corporation | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
405 | Marwell Petroleum LTD Partnrship | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
406 | Marwell Petroleum, Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2006 |
407 | Maverick Prod. Co., Inc. | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
408 | Maxus Exploration Company | Dallas, TX 75201 | Oil & Gas Operator | Jan 1995 |
409 | Maynard Oil Co. | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
410 | Mayne & Mertz, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2013 |
411 | MB Energy, LLC | San Antonio, TX 78233 | Oil & Gas Operator | Apr 2024 |
412 | McBee Company, The | Dallas, TX 75219 | Oil & Gas Operator | Dec 1997 |
413 | McCarter, A. Nelson | Houston, TX 77063 | Oil & Gas Operator | Aug 2003 |
414 | McCauley, F. R. | Houston, TX 77002 | Oil & Gas Operator | Apr 2000 |
415 | McGowan Working Partners | Jackson, MS 39296 | Oil & Gas Operator | Dec 2000 |
416 | McGowan Working Partners, Inc. | Jackson, MS 39296 | Oil & Gas Operator | Apr 2024 |
417 | McLeod, George L. Inc. | Houston, TX 77079 | Oil & Gas Operator | Sep 2002 |
418 | McRae Exploration & Prod., Inc. | Houston, TX 77064 | Oil & Gas Operator | Feb 2017 |
419 | Medallion Oil Company | Houston, TX 77251 | Oil & Gas Operator | Jan 2012 |
420 | Meridian Oil Inc. | Houston, TX 77210 | Oil & Gas Operator | Aug 1996 |
421 | Meridian Oil Production Inc. | Houston, TX 77210 | Oil & Gas Operator | Oct 2022 |
422 | Metano Energy, LP | San Antonio, TX 78216 | Oil & Gas Operator | Aug 2008 |
423 | Mexco Energy Corporation | Midland, TX 79702 | Oil & Gas Operator | Feb 2020 |
424 | Midas Resources, Inc. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 2024 |
425 | Midpar L.P. | Midland, TX 79702 | Oil & Gas Operator | Feb 1995 |
426 | Milagro Exploration, LLC | Houston, TX 77010 | Oil & Gas Operator | Aug 2018 |
427 | Millennium Exploration Co. LLC | San Antonio, TX 78232 | Oil & Gas Operator | Apr 2024 |
428 | Miller, W. C. Operating Company | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
429 | Miramar Petroleum, Inc. | Corpus Chrsti, TX 78463 | Oil & Gas Operator | Sep 2017 |
430 | Mission Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
431 | Mobil Producing TX. & N.M. Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
432 | Mohican Oil & Gas, L.L.C. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Apr 2013 |
433 | Mojac Energy Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 1997 |
434 | Moose Oil & Gas Co. | Houston, TX 77002 | Oil & Gas Operator | Feb 2000 |
435 | Mosaic Oil LLC | Dallas, TX 75205 | Oil & Gas Operator | Apr 2024 |
436 | Mueller Engineering Corp. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Feb 2002 |
437 | Mueller Exploration, Inc. | Portland, TX 78374 | Oil & Gas Operator | Apr 2024 |
438 | Mustang Energy Inc. | Porter, TX 77365 | Oil & Gas Operator | Mar 2008 |
439 | Mustang Fuel Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Feb 2024 |
440 | Nadsoilco LLC | Dallas, TX 75204 | Oil & Gas Operator | Apr 2024 |
441 | Nasser Oil & Gas, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 1998 |
442 | National Onshore LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
443 | NBL Permian LLC | Houston, TX 77070 | Oil & Gas Operator | Aug 2018 |
444 | Ncey Holdings, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2013 |
445 | Neumin Production Company | Point Comfort, TX 77978 | Oil & Gas Operator | Apr 2024 |
446 | New Century Exploration, Inc. | Spring, TX 77379 | Oil & Gas Operator | Apr 2024 |
447 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
448 | Newman, John A. | Joplin, MO 64804 | Oil & Gas Operator | Jan 2001 |
449 | Nolteco, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2024 |
450 | North Central Oil Corp | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |
451 | North Shore Energy, L.L.C. | Austin, TX 78750 | Oil & Gas Operator | Apr 2024 |
452 | Nupower Energy, LLC | Houston, TX 77058 | Oil & Gas Operator | Apr 2024 |
453 | O'Tool Oil & Gas, LLC | Dallas, TX 75219 | Oil & Gas Operator | Apr 2024 |
454 | Oblaen Resources LLC | Wallis, TX 77485 | Oil & Gas Operator | Apr 2024 |
455 | Okie Operating Company, LTD. | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2024 |
456 | Omega Energy Corp. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
457 | Omega Energy, LLC | Corpus Chrsti, TX 78418 | Oil & Gas Operator | Apr 2024 |
458 | Opex Energy, LLC | Houston, TX 77042 | Oil & Gas Operator | Mar 2008 |
459 | Orx Resources, L.L.C. | Houston, TX 77067 | Oil & Gas Operator | Apr 2024 |
460 | Osr Oil & Gas Company | Victoria, TX 77902 | Oil & Gas Operator | Jul 2000 |
461 | Owl Creek Production Co., Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2006 |
462 | Owl Creek Production Co., LLC | Denver, CO 80265 | Oil & Gas Operator | Jan 2006 |
463 | Oxy USA Inc | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
464 | Padon, Frank B. Oil Oper., Inc. | Houston, TX 77227 | Oil & Gas Operator | Nov 1998 |
465 | Paladin-Hayes, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Dec 1999 |
466 | Paloma Operating, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
467 | Panhandle Producing Company | San Antonio, TX 78205 | Oil & Gas Operator | Oct 1993 |
468 | Parker & Parsley Development Co. | Midland, TX 79702 | Oil & Gas Operator | May 1995 |
469 | Parker & Parsley Development L.P | Midland, TX 79702 | Oil & Gas Operator | Oct 2007 |
470 | Parker & Parsley Producing LP | Midland, TX 79702 | Oil & Gas Operator | Oct 1997 |
471 | Patrick Pet. Corp. Of Michigan | Houston, TX 77227 | Oil & Gas Operator | Aug 1995 |
472 | Patterson Energy Corporation | Dallas, TX 75205 | Oil & Gas Operator | Apr 2024 |
473 | Patterson Petroleum LLC | Snyder, TX 79550 | Oil & Gas Operator | Oct 2007 |
474 | Patterson Petroleum LP | Snyder, TX 79550 | Oil & Gas Operator | Mar 2008 |
475 | Patterson Petroleum, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Feb 2000 |
476 | Pecos Petroleum Company | Houston, TX 77057 | Oil & Gas Operator | Oct 1999 |
477 | Pegasus Operating, Inc. | Coldspring, TX 77331 | Oil & Gas Operator | Apr 2024 |
478 | Pegasus Petroleum Corporation | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Apr 2024 |
479 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2018 |
480 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
481 | Perlman,I.H.Oil & Gas Properties | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
482 | Petech Enterprises, Inc. | Houston, TX 77066 | Oil & Gas Operator | Jan 2004 |
483 | Petra Oleum Corp. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
484 | Petrodome Operating, LLC | Houston, TX 77265 | Oil & Gas Operator | Dec 2023 |
485 | Petrogas Operating Corporation | Garland, TX 75043 | Oil Operator | Feb 2010 |
486 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
487 | Petroleum Management Int'L, Inc. | Sugar Land, TX 77487 | Oil & Gas Operator | Oct 1993 |
488 | Petropro Energy Partners, L.P. | Houston, TX 77024 | Oil & Gas Operator | Jan 2013 |
489 | Petroreal Inc. | Temple, TX 76503 | Oil & Gas Operator | Apr 2024 |
490 | PG&E Resources Company | Houston, TX 77042 | Oil & Gas Operator | May 1995 |
491 | Pharaoh Oil & Gas, Inc. | MC Camey, TX 79752 | Oil & Gas Operator | Apr 2024 |
492 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
493 | Phylko Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
494 | Pine Ridge Operating, L.P. | Waelder, TX 78959 | Oil & Gas Operator | Apr 2024 |
495 | Pintail Production Co., Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | Apr 2024 |
496 | Pintex Operating Inc. | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Feb 2005 |
497 | Pioneer Natural Res. USA, Inc. | Irving, TX 75038 | Oil & Gas Operator | Apr 2024 |
498 | Pioneer Resources Producing, L.P | Irving, TX 75039 | Oil & Gas Operator | Feb 2001 |
499 | Pitco Investments, LTD. | Scottsdale, AZ 85261 | Oil & Gas Operator | Jan 2013 |
500 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |