401 | Omega Energy, LLC | Corpus Chrsti, TX 78418 | Oil & Gas Operator | Apr 2024 |
402 | Omega Enterprise | | Oil Operator | Sep 1990 |
403 | Omega Oil Corp | Lafayette, IN 47903 | Oil & Gas Operator | Dec 1987 |
404 | Omega Operating, Inc. | Odessa, TX 79769 | Oil & Gas Operator | Mar 2001 |
405 | Omega Resources Inc | | Oil & Gas Operator | Nov 1998 |
406 | Omimex Canada, LTD. | Fort Worth, TX 76120-3608 | Oil & Gas Operator | Jan 2024 |
407 | Omimex Energy, Inc. | Fort Worth, TX 76120 | Oil & Gas Operator | Jun 2023 |
408 | Omimex International Corporation | Fort Worth, TX 76103-2300 | Oil & Gas Operator | Dec 2023 |
409 | Omimex Petroleum Inc | Fort Worth, TX 76120 | Oil & Gas Operator | Aug 2022 |
410 | Omimex Petroleum Inc (Co) | Newcastle, WY 82701 | Oil & Gas Operator | May 2001 |
411 | Omimex Petroleum Inc (De) | Fort Worth, TX 76120 | Oil & Gas Operator | Aug 2020 |
412 | Omni E & P, Inc. | San Antonio, TX 78229 | Oil Operator | Apr 2010 |
413 | Omni Oil & Gas, Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Oct 2017 |
414 | Omni Operating Company | Osage, WY 82723 | Oil & Gas Operator | Sep 2001 |
415 | Omni Operating Company(A) | Dallas, TX 75370 | Oil & Gas Operator | Apr 2024 |
416 | Omni Petroleum Corporation | Austin, TX 78738 | Oil & Gas Operator | Apr 2024 |
417 | Omr Drilling & Acquisition LLC | Albany, KY 42602 | Oil Operator | Dec 2015 |
418 | On Pointe Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
419 | On-Line Oil Inc | Oklahoma City, OK 73105-5208 | Oil & Gas Operator | Mar 2015 |
420 | Onaroll Operating LLC | Levelland, TX 79336 | Oil Operator | Apr 2024 |
421 | Onco Petroleum USA Inc | | Oil Operator | Dec 2009 |
422 | One Epoch Energy, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
423 | One Nickel Operating LLC | Westbrook, TX 79565 | Oil Operator | Apr 2024 |
424 | One Source Financial Services Inc. | McAllen, TX 78501 | Gas Operator | Dec 2019 |
425 | One Tec Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2011 |
426 | One World Operating, LLC | Tampa, FL 33602 | Oil & Gas Operator | Apr 2024 |
427 | Oneenergy Partners Operating, LLC | Houston, TX 77019 | Oil & Gas Operator | Nov 2018 |
428 | Oneida Energy Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Jul 2003 |
429 | Oneok Energy Service | | Gas Operator | Dec 2008 |
430 | Oneok Exploratio | | Oil & Gas Operator | Mar 1995 |
431 | Oneok Exploration Company | Tulsa, OK 74102 | Oil & Gas Operator | Feb 2017 |
432 | Oneok Field Services Company | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2022 |
433 | Oneok Gas Processing LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2018 |
434 | Oneok Gas Transportation Co | Tulsa, OK 74121-2089 | Oil & Gas Operator | Oct 2014 |
435 | Oneok Resources Company | Tulsa, OK 74102 | Oil & Gas Operator | Feb 2017 |
436 | Onnen, Gerhard E. | Yates Center, KS 66783 | Oil Operator | Feb 2002 |
437 | Onpoint Oil & Gas LLC | | Oil & Gas Operator | Jan 2024 |
438 | Onshore Exp Cor-La Nat Res Inc | | Oil & Gas Operator | Oct 1978 |
439 | Onshore Pipeline Const Co Inc | | Oil & Gas Operator | Aug 1998 |
440 | Onshore Royalties LLC | Houston, TX 77269 | Oil & Gas Operator | Feb 2024 |
441 | Onshore, L.L.C. | Wichita, KS 67205 | Oil & Gas Operator | Dec 2009 |
442 | Onyx Energy Corporation | Oklahoma City, OK 73157 | Oil & Gas Operator | May 1994 |
443 | Onyx Energy Dev Of Texas Inc. | | Oil Operator | Dec 1996 |
444 | Onyx Energy Of Texas Inc. | | Oil Operator | Dec 1996 |
445 | Onyx Industries LTD, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
446 | Onyx Int'L Exploration LLC | | Oil & Gas Operator | Dec 2015 |
447 | Onyx Producing Company, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2008 |
448 | Onyx Properties Corp | Oklahoma City, OK 73114 | Oil & Gas Operator | May 2006 |
449 | Onyxx Energy LLC | | Oil & Gas Operator | Mar 2017 |
450 | Onyxx Oil Corpor | | Oil Operator | Jul 1992 |
451 | Oolite Energy Corp | Amarillo, TX 79105 | Oil & Gas Operator | Apr 2022 |
452 | Oonk, Harvey D. | Clymer, NY 14724 | Gas Operator | Dec 2022 |
453 | Opal Oil Inc. | | Oil Operator | Sep 2021 |
454 | Opal Operating Company LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2024 |
455 | Opal Resources Operating Co.,LLC | Cypress, TX 77429 | Oil & Gas Operator | Jan 2019 |
456 | Opco LLC | Chase, KS 67524 | Oil Operator | Dec 2019 |
457 | Opco Oil & Gas Co. | Dallas, TX 75231 | Oil & Gas Operator | Aug 2003 |
458 | Opdycke Lease Partners, A General Partnership | Russell, KS 67665 | Oil Operator | Dec 2023 |
459 | Opef Partnership, A General Partnership | Overland Park, KS 66221 | Oil Operator | Dec 2011 |
460 | Open Door Holdings Inc | Surprise, AZ 85387-2015 | Oil & Gas Operator | Dec 2023 |
461 | Open Door Productions Inc | Muskogee, OK 74401-1032 | Oil & Gas Operator | Apr 2020 |
462 | Open Flow Gas Supply Corp | Du Bois, PA 15801-2442 | Oil & Gas Operator | Dec 2022 |
463 | Open Range Energy LLC | Jones, OK 73049 | Oil & Gas Operator | Jan 2024 |
464 | Operating Engineers Local 17 Training Fund | Lake VIew, NY 14085 | Gas Operator | Dec 2022 |
465 | Operating Services Inc | | Oil Operator | Sep 2003 |
466 | Operator Unknown | Charleston, WV 25304-0000 | Oil & Gas Operator | Dec 2021 |
467 | Opes Production Inc | Buffalo, WY 82834 | Gas Operator | Mar 2015 |
468 | Opex Energy, LLC | Houston, TX 77042 | Oil & Gas Operator | Mar 2008 |
469 | Opmi Operating Company | Houston, TX 77057 | Oil & Gas Operator | Jun 2008 |
470 | Ops Group Limited | Houston, TX 77060 | Oil & Gas Operator | Jun 2014 |
471 | Optima Conservation Resources Exploration LLC | | Oil & Gas Operator | Dec 2023 |
472 | Optima Exploration LLC | | Oil & Gas Operator | Mar 2015 |
473 | Optimistic Oil Co. | | Oil & Gas Operator | Dec 1991 |
474 | Optimum Exploration LLC | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
475 | Opubco Resources Of TX Inc | Dallas, TX 75231 | Oil & Gas Operator | Sep 2005 |
476 | Ora Oil Company | | Oil & Gas Operator | May 2017 |
477 | Oracle Oil, LLC | | Oil & Gas Operator | Jul 2013 |
478 | Oracle Resources Oklahoma LP | Dallas, TX 75240-5751 | Oil & Gas Operator | Feb 2008 |
479 | Orange Petroleum Co. | Orangefield, TX 77639 | Oil & Gas Operator | May 1995 |
480 | Orason Resources Inc | Tulsa, OK 74169-1225 | Oil & Gas Operator | Nov 2006 |
481 | Orb Exploration, L.L.C. | | Oil & Gas Operator | Jun 2017 |
482 | Orbis Energy, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Oct 2001 |
483 | Orbit Crude, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
484 | Orbit Enterprises, Inc. | Lovington, NM 88260 | Oil & Gas Operator | Mar 2015 |
485 | Orbit Gas Transmission, Inc | Owensboro, KY 42303 | Oil & Gas Operator | Dec 2021 |
486 | Orbit Petroleum, Inc. | Irving, TX 75038 | Oil & Gas Operator | Sep 2010 |
487 | Orbitron Operating Corp. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 1995 |
488 | Orbrie Luman | Odessa, TX 79761 | Oil & Gas Operator | Feb 2024 |
489 | Orca Operating Company LLC | Houston, TX 77056 | Oil & Gas Operator | Jan 2024 |
490 | Organic Energy Company LLC | | Oil & Gas Operator | Feb 2024 |
491 | Origin Prod Co Gonzales Prop LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2024 |
492 | Origin Production Company, Inc. | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2024 |
493 | Origin Production Group LLC | Luling, TX 78648 | Oil Operator | Apr 2024 |
494 | Oringderff, Alma Oil Properties | Dallas, TX 75225 | Oil & Gas Operator | Mar 2012 |
495 | Orion Energen Inc. | Austin, TX 78731 | Oil & Gas Operator | Jul 2023 |
496 | Orion Energy Corp | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 1984 |
497 | Orion Energy Partners LP | Denver, CO 80202 | Oil & Gas Operator | Nov 2010 |
498 | Orion Exploration LLC | Tulsa, OK 74105-5153 | Oil & Gas Operator | Apr 2015 |
499 | Orion Exploration Partners LLC | | Oil & Gas Operator | Jul 2020 |
500 | Orion Oil & Gas Prop | Roswell, NM 88202 | Oil & Gas Operator | Apr 1998 |