7701 | Norton Drilling Co. | Levelland, TX 79336 | Oil & Gas Operator | Nov 2001 |
7702 | Norvel Douglas Oil Inc. | H SPG NTL PK, AR 71909 | Oil Operator | Jul 2025 |
7703 | Norwood, A. N., Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 1997 |
7704 | Nosivad Oil, Inc. | Clyde, TX 79510 | Oil & Gas Operator | Jul 2025 |
7705 | Notting Hill Energy LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Jul 2025 |
7706 | Novco Operating Company | Novice, TX 79538 | Oil & Gas Operator | Jul 2025 |
7707 | Novo Energy Resources | Houston, TX 77006 | Oil & Gas Operator | Jul 2025 |
7708 | Novo Exploration Corporation | Hurst, TX 76053 | Oil & Gas Operator | Jun 2020 |
7709 | Novus Oil & Gas, LP | Houston, TX 77042 | Oil & Gas Operator | Nov 2005 |
7710 | Novy Oil & Gas, Inc. | Goddard, KS 67052 | Oil & Gas Operator | Jun 2025 |
7711 | Now Development Co., Inc. | Tyler, TX 75702 | Oil & Gas Operator | Dec 2017 |
7712 | Noxxe Oil And Gas, LLC | Houston, TX 77269 | Oil & Gas Operator | Jul 2025 |
7713 | NRG Assets Management, LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2016 |
7714 | NRG Resources, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jun 1987 |
7715 | NRPC Operating, LLC | Dallas, TX 75206 | Oil Operator | Feb 2012 |
7716 | NT Minerals, LLC | Tulsa, OK 74172 | Oil & Gas Operator | Jul 2025 |
7717 | Nueces Minerals Company | Dallas, TX 75251 | Oil & Gas Operator | May 2021 |
7718 | Nueces Oil Company | George West, TX 78022 | Oil & Gas Operator | Mar 2008 |
7719 | Nueces Petroleum Corporation | Sugar Land, TX 77496 | Oil Operator | Jul 2025 |
7720 | Nueces Reserves, Inc. | Houston, TX 77019 | Oil & Gas Operator | Oct 2002 |
7721 | Nuevo Energy Company | Houston, TX 77002 | Oil & Gas Operator | Dec 2002 |
7722 | Nuevo Texas Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2004 |
7723 | Null, W. M. & San Patricio Corp. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Aug 1994 |
7724 | Null, W.M. Operations, Inc. | Corpus Chrsti, TX 78475 | Oil & Gas Operator | Jun 2002 |
7725 | Numar Oil And Gas Corporation | Sante Fe, NM 87502 | Oil & Gas Operator | Jul 2025 |
7726 | Nupower Energy, LLC | Houston, TX 77058 | Oil & Gas Operator | Jul 2025 |
7727 | Nutek Oil Inc | San Antonio, TX 78254 | Oil & Gas Operator | Feb 2006 |
7728 | NWG Operating LLC | Canyon, TX 79015 | Oil & Gas Operator | Jul 2025 |
7729 | Nye Exploration & Prod, L.L.C. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jul 2025 |
7730 | Nytex Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2014 |
7731 | Nytex, L.L.C. | Edmond, OK 73083 | Oil & Gas Operator | Feb 2006 |
7732 | NZ Operating Company Inc. | Houston, TX 77069 | Oil & Gas Operator | Jul 2025 |
7733 | O & G Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Oct 1996 |
7734 | O & O Operators, LLC. | Fate, TX 75132 | Oil & Gas Operator | Jul 2025 |
7735 | O Hill Enterprises, Inc. | La Grange, TX 78945 | Oil & Gas Operator | Jan 2014 |
7736 | O S & S Oil Company | Electra, TX 76360 | Oil & Gas Operator | Jan 2018 |
7737 | O&G Investments Inc. | Runge, TX 78151 | Oil & Gas Operator | Feb 2003 |
7738 | O'Bar Operating Co., Inc. | Longview, TX 75604 | Oil & Gas Operator | Jul 2025 |
7739 | O'Benco, Inc. | Shreveport, LA 71136 | Oil & Gas Operator | Jul 2025 |
7740 | O'Blue Corp. | Kerrville, TX 78028 | Oil & Gas Operator | Mar 1998 |
7741 | O'Brien Energy Company | Shreveport, LA 71136 | Oil & Gas Operator | Sep 2019 |
7742 | O'Brien Energy Resources Corp | Portsmouth, NH 03801 | Oil & Gas Operator | Jul 2025 |
7743 | O'Brien Resources LLC | Shreveport, LA 71136 | Oil Operator | Nov 2017 |
7744 | O'Brien, George H. Jr. | Midland, TX 79701 | Oil & Gas Operator | Jun 1994 |
7745 | O'Connor & Hewitt, LTD. | Victoria, TX 77901 | Oil & Gas Operator | Jun 1998 |
7746 | O'Connor Energy Management, LLC | Victoria, TX 77902 | Oil Operator | Jul 2025 |
7747 | O'Dell, Mitchell | Cross Plains, TX 76443 | Oil & Gas Operator | Jul 2025 |
7748 | O'Donohoe, Jack | Wichita Falls, TX 76301 | Oil & Gas Operator | May 2002 |
7749 | O'Leary'S Oil & Gas Inc. | Arcadia, FL 34266 | Oil & Gas Operator | May 2008 |
7750 | O'Neal Cattle Co. | Pampa, TX 79066 | Gas Operator | Jul 2025 |
7751 | O'Neal Oil & Gas Co | Fort Worth, TX 76107-1479 | Oil & Gas Operator | May 2025 |
7752 | O'Neal Oil Company | Nocona, TX 76255 | Oil & Gas Operator | Jul 2025 |
7753 | O'Neal Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 1999 |
7754 | O'Neal, Lindell | Nocona, TX 76255 | Oil & Gas Operator | Apr 2025 |
7755 | O'Neil, Pat | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2005 |
7756 | O'Neill Properties, LTD. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
7757 | O'Ryan Oil And Gas | Odessa, TX 79768 | Oil & Gas Operator | Jul 2025 |
7758 | O'Sand Production, Inc. | Tomball, TX 77377 | Oil & Gas Operator | Aug 2003 |
7759 | O'Sullivan Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2000 |
7760 | O'Tool Oil & Gas, LLC | Dallas, TX 75219 | Oil & Gas Operator | Jul 2025 |
7761 | O. H. B. Inc. | San Angelo, TX 76902 | Oil & Gas Operator | Sep 2019 |
7762 | O. H. M. Operating | Pampa, TX 79065 | Oil & Gas Operator | Jul 2025 |
7763 | O.G.O. Refining | Luling, TX 78648 | Oil & Gas Operator | Jun 2013 |
7764 | O.G.P. Operating, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Jul 2025 |
7765 | O.T. Oil | Kilgore, TX 75663 | Oil Operator | Jul 2025 |
7766 | Oahe Oil Company | Texline, TX 79087 | Oil & Gas Operator | May 2004 |
7767 | Oak Energy, LLC | Houston, TX 77027 | Oil & Gas Operator | Jul 2025 |
7768 | Oak Hills Drilling & Oper., LLC | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
7769 | Oak Prairie Operations, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jul 2025 |
7770 | Oak Resources Inc | Tulsa, OK 74153 | Oil & Gas Operator | Aug 2013 |
7771 | Oak Valley Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
7772 | Oakland Petroleum Oper Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
7773 | Oakmont Oil And Gas | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
7774 | Oakridge Energy, Inc. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jul 2025 |
7775 | Oakridge Oil And Gas, LP | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2025 |
7776 | Oaktree Oil Company | Albany, TX 76430 | Oil & Gas Operator | Jul 2025 |
7777 | Oakwood Energy, Inc. | Jourdanton, TX 78026 | Oil & Gas Operator | Mar 2023 |
7778 | Oasis Operating, Inc. | Lubbock, TX 79404 | Oil & Gas Operator | Nov 2020 |
7779 | Oasis Petroleum Permian LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
7780 | Oates, John Co., Inc. | Stinnett, TX 79083 | Oil & Gas Operator | Jul 2025 |
7781 | Obax Oil And Gas LLC | Saint Louis, MO 63131 | Oil Operator | Jul 2025 |
7782 | Oblaen Resources LLC | Wallis, TX 77485 | Oil & Gas Operator | Jul 2025 |
7783 | Occam Petroleum E&P, LLC | Meeker, OK 74855 | Oil Operator | Jul 2025 |
7784 | Occidental Energy Company, Inc. | Houston, TX 77282 | Oil & Gas Operator | Jul 2021 |
7785 | Occidental Energy Marketing, Inc. | Houston, TX 77227 | Gas Operator | Sep 2015 |
7786 | Occidental Permian LTD. | Houston, TX 77046 | Oil & Gas Operator | Jul 2025 |
7787 | Occidental W TX Overthrust, Inc. | Houston, TX 77210 | Oil & Gas Operator | Dec 2021 |
7788 | Ocean Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
7789 | Octane Energy Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2025 |
7790 | Odegard Energy, Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2020 |
7791 | Oden, Robin H., Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1994 |
7792 | Odessa Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
7793 | Odessa Oil Investment Co., Inc. | Odessa, TX 79762 | Oil & Gas Operator | Nov 2016 |
7794 | Odom, R. H. | Snyder, TX 79550 | Oil & Gas Operator | Jun 1996 |
7795 | Odum Oil & Gas Co. | Harper, TX 78631 | Oil & Gas Operator | Jul 2025 |
7796 | Odyssey Petroleum Company | Houston, TX 77010 | Oil & Gas Operator | Apr 1995 |
7797 | Oexco, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
7798 | Offset Oil & Gas | Big Spring, TX 79720 | Oil & Gas Operator | Aug 2003 |
7799 | Offshore Group, Inc. The | Houston, TX 77024 | Oil & Gas Operator | Jul 2025 |
7800 | Offshore Oil & Gas Inc | Houston, TX 77063 | Oil & Gas Operator | Sep 1994 |