401 | Koch Hydrocarbon Company | Wichita, KS 67220-3203 | Oil & Gas Operator | Nov 2014 |
402 | Koch Oil Company | | Oil & Gas Operator | May 2017 |
403 | KRS Oil Company | Frisco, TX 75034 | Oil & Gas Operator | Apr 2020 |
404 | KTP Energy, Inc. | Denver, CO 80226 | Oil & Gas Operator | Aug 2019 |
405 | Ladd Petroleum Corp. | Denver, CO 80202 | Oil & Gas Operator | Oct 2004 |
406 | Lagoon Water Logistics LLC | Oklahoma City, OK 73103 | Oil Operator | Jul 2024 |
407 | Laguna Petroleum Corporation | Houston, TX 77046 | Oil & Gas Operator | Mar 2025 |
408 | Lancer Petroleum Corporation | Irving, TX 75014 | Oil & Gas Operator | Feb 2014 |
409 | Landmark Exploration Co | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2013 |
410 | Langham Petroleum Expl. Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 2009 |
411 | Laran Operating LLC | Dover, OK 73734-0057 | Oil & Gas Operator | Mar 2015 |
412 | Lariat Petroleum Inc | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2024 |
413 | Latex Petroleum Corp. | Houston, TX 77090 | Oil & Gas Operator | Aug 2012 |
414 | Latigo Oil And Gas Inc | Woodward, OK 73801 | Oil & Gas Operator | Dec 2024 |
415 | Latigo Petroleum, LLC | Pampa, TX 79066 | Oil & Gas Operator | Mar 2025 |
416 | LCB Resources LLC | Kingfisher, OK 73750-2322 | Oil & Gas Operator | Dec 2024 |
417 | Le Norman Energy Corporation | Duncan, OK 73534 | Oil & Gas Operator | Nov 2014 |
418 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Mar 2025 |
419 | Lime Rock Resources A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
420 | Lime Rock Resources II-A, L.P. | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
421 | Lincoln Rock Corporation | Northfield, IL 60093 | Oil & Gas Operator | Jul 2003 |
422 | Lindenmuth & Associates Inc | Austin, TX 78703 | Oil & Gas Operator | Aug 2024 |
423 | Lobo Exploration Company | Yukon, OK 73099 | Oil & Gas Operator | Nov 2024 |
424 | Locators Oil And Gas Inc | Guthrie, OK 73044 | Oil & Gas Operator | Oct 2022 |
425 | Locin Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
426 | Lorentz Oil & Gas LLC | Edmond, OK 73034-7266 | Oil & Gas Operator | Nov 2024 |
427 | Louis Dreyfus Gas Marketing | Oklahoma City, OK 73134 | Oil & Gas Operator | Mar 2018 |
428 | LTJ Enterprises LLC | Lone Grove, OK 73443 | Oil & Gas Operator | Aug 2024 |
429 | LVM Oil Production LLC | Yale, OK 74085-6688 | Oil & Gas Operator | Jul 2021 |
430 | LX4 LLC | Gage, OK 73843 | Oil Operator | Oct 2024 |
431 | Lyon Energy, Inc. | Plano, TX 75075 | Oil & Gas Operator | Feb 2000 |
432 | M M Energy, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2024 |
433 | M M Resources, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Sep 2018 |
434 | M V Purchasing LLC | Wichita, KS 67202 | Oil & Gas Operator | Nov 2024 |
435 | Mac Laskey Kelly Oilfield | El Dorado, KS 67042 | Oil & Gas Operator | Dec 2024 |
436 | Mackellar Inc | Oklahoma City, OK 73116-7101 | Oil & Gas Operator | Dec 2024 |
437 | Malson Oil Company | Crawford, OK 73638 | Oil & Gas Operator | Dec 2016 |
438 | Marathon Oil Company | Houston, TX 77024 | Oil & Gas Operator | Jan 2025 |
439 | Marjo Operating Mid-Continent LLC | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2024 |
440 | Marlin Oil Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Nov 2024 |
441 | Marshall Oil Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2017 |
442 | Massad George H Estate | Holdenville, OK 74848 | Oil & Gas Operator | Dec 2014 |
443 | Maverick Brothers Resources LLC | Enid, OK 73701 | Oil & Gas Operator | Oct 2024 |
444 | MBR Resources, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2025 |
445 | McEna Inc | Tulsa, OK 74135 | Oil & Gas Operator | Jul 2005 |
446 | McNeal & Shahan Oil Co Inc | | Oil & Gas Operator | Apr 2014 |
447 | McNic Oil & Gas Midcontinent | Oklahoma City, OK 73154-0526 | Oil & Gas Operator | May 2024 |
448 | McOr Oil & Gas Corp | Houston, TX 77002 | Oil & Gas Operator | Oct 2013 |
449 | Meade Energy Corporation | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | Dec 2024 |
450 | Meadowbrook Oil Corporation Of Ok Inc | Del City, OK 73115-3608 | Oil & Gas Operator | Dec 2024 |
451 | Medina-Pierce Oil & Gas Co | | Oil & Gas Operator | Feb 2012 |
452 | Mep Operating LLC | Houston, TX 77056-2733 | Oil & Gas Operator | Nov 2024 |
453 | Mer Resources Inc | Edmond, OK 73013-7662 | Oil & Gas Operator | Mar 2015 |
454 | Mesa Operating LP | Irving, TX 75039-3746 | Oil & Gas Operator | Oct 2010 |
455 | Metropolitan Resources Corp | Tulsa, OK 74169-1734 | Oil & Gas Operator | Mar 2015 |
456 | Mewbourne Oil Company | Tyler, TX 75711 | Oil & Gas Operator | Mar 2025 |
457 | Mge Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Nov 2024 |
458 | Mid Center Oil Company | | Oil & Gas Operator | Mar 2014 |
459 | Mid-Con Central Expl Co | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2014 |
460 | Mid-Con Energy Operating, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2025 |
461 | Mid-Continent Energy Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2024 |
462 | Middle Bay Production Co. Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2014 |
463 | Midgard Energy Company | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2014 |
464 | Midnight Hour LLC | Enid, OK 73702 | Oil & Gas Operator | Apr 2020 |
465 | Midwest Energy Corporation | Tulsa, OK 74105-6083 | Oil & Gas Operator | Aug 2016 |
466 | Mija LLC | Edmond, OK 73034 | Oil & Gas Operator | Dec 2024 |
467 | Milmac Operating Company | Lubbock, TX 79408-2976 | Oil & Gas Operator | Sep 2004 |
468 | Miracle Production Inc | Yukon, OK 73085-0680 | Oil & Gas Operator | Jun 2007 |
469 | Mito Resources LLC | Edmond, OK 73013 | Oil & Gas Operator | Dec 2024 |
470 | Moabb Oil Corp | | Oil & Gas Operator | Apr 1998 |
471 | Mobil Exp & Prod Us Inc | Houston, TX 77060-1991 | Oil & Gas Operator | May 2001 |
472 | Monarch Energy Company LLC | Eufaula, OK 74432 | Oil & Gas Operator | Nov 2024 |
473 | Moncrief W A Jr | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 2025 |
474 | Montgomery Exploration Co LTD | Dallas, TX 75204-2634 | Oil & Gas Operator | Nov 2024 |
475 | Monty L Hott Production Corporation | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2024 |
476 | Morris Ed Dba Morris Operating Company | Mounds, OK 74047-4801 | Oil & Gas Operator | Dec 2024 |
477 | Morrison International Energy Inc | Oklahoma City, OK 73189-0537 | Oil & Gas Operator | Nov 2024 |
478 | Mountain Front Pipeline Co, Inc | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
479 | Muirfield Resources Company | Tulsa, OK 74101-3166 | Oil & Gas Operator | Jun 2024 |
480 | Mustang Fuel Corp. Of Oklahoma | Oklahoma City, OK 73106 | Oil & Gas Operator | Nov 2016 |
481 | Mustang Fuel Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2024 |
482 | MW Petroleum Corporation | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
483 | National Cooperative RFG Assoc | McPherson, KS 67460-1404 | Oil & Gas Operator | Jun 2006 |
484 | National Energy Group, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
485 | Native Gas Company LLC | Edmond, OK 73083-7435 | Oil & Gas Operator | Mar 2015 |
486 | Natural Gas Pipeline Co Of Am LLC | Downers Grove, IL 60515-3708 | Oil & Gas Operator | Mar 2015 |
487 | Neg Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Nov 2024 |
488 | Nelson Exploration Corporation | Cleveland, OK 74020-5725 | Oil & Gas Operator | Nov 2024 |
489 | Nerco Oil & Gas, Inc. | | Oil & Gas Operator | Dec 1996 |
490 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Mar 2025 |
491 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Mar 2025 |
492 | Nordstrand Engineering Inc | Houston, TX 77019 | Oil & Gas Operator | Mar 2025 |
493 | North Lake Resources LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Mar 2025 |
494 | O G & E | Oklahoma City, OK 73124 | Oil & Gas Operator | Feb 2014 |
495 | O K Swabbing Inc | Hennessey, OK 73742 | Oil & Gas Operator | Nov 2024 |
496 | Oexco, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
497 | Ofs-Tulsa Corporation | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 1997 |
498 | Oil Producers, Inc. Of Kansas | Wichita, KS 67206 | Oil & Gas Operator | Mar 2025 |
499 | Oilfield Operating Company | Cushing, OK 74023-1347 | Oil & Gas Operator | Jan 2018 |
500 | Oilsearch Corporation | Albuquerque, NM 87109 | Oil & Gas Operator | Feb 1994 |