1 | Adco Producing Company | | Oil & Gas Operator | Mar 1989 |
2 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
3 | Alliance Operating Corporation | | Oil & Gas Operator | Jan 1995 |
4 | Alpine Expl. Companies, Inc. | | Oil & Gas Operator | Jan 2024 |
5 | Amax Oil & Gas Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2014 |
6 | Amax Petroleum Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2012 |
7 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Aug 2013 |
8 | American Petrofina Co Of Texas | | Oil & Gas Operator | Jun 1985 |
9 | Americus Resources, Inc. | | Oil & Gas Operator | Feb 1993 |
10 | Aminoil Of Louisiana, Inc. | | Oil & Gas Operator | Dec 1981 |
11 | Aminoil USA Inc | | Oil & Gas Operator | Jan 1985 |
12 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
13 | Anadarko E&P Company LP | Houston, TX 77251 | Oil & Gas Operator | Aug 2014 |
14 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Sep 2024 |
15 | Antara Resources Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 2004 |
16 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Nov 2024 |
17 | Aran Energy USA Inc. | | Oil & Gas Operator | Apr 1997 |
18 | Araxas Exploration, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 1998 |
19 | Arco O & G Co-Div Atl Rich Co | | Oil & Gas Operator | Feb 1994 |
20 | Arkla Exploration Co. | Shreveport, LA 71151 | Oil & Gas Operator | Jan 1993 |
21 | Ashlawn Energy, Inc. | | Oil & Gas Operator | Jul 1995 |
22 | Atlas Production Services | | Oil & Gas Operator | Feb 1999 |
23 | Atp Oil & Gas Corporation | Houston, TX 77027 | Oil & Gas Operator | Jun 2008 |
24 | Aviara Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2002 |
25 | Aviva America, Inc. | | Oil & Gas Operator | Nov 2013 |