1 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Dec 2024 |
2 | Acadian Gas Pipeline System | | Oil Operator | Jul 2024 |
3 | Acadiana Reserves, Inc. | | Oil & Gas Operator | Oct 1984 |
4 | Ada Oil Exploration Corp | | Oil & Gas Operator | Jan 1986 |
5 | Adobe Energy Company | | Oil & Gas Operator | Sep 2010 |
6 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
7 | Affiliated Holdings, Inc. | | Oil Operator | Dec 2010 |
8 | Alliance Operating Corporation | | Oil & Gas Operator | Jan 1995 |
9 | Alpine Expl. Companies, Inc. | | Oil & Gas Operator | Jan 2024 |
10 | Alpine Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
11 | Amarex Inc | | Oil & Gas Operator | Dec 1996 |
12 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Aug 2013 |
13 | Amerada Hess-Ethyl Corporation | | Oil & Gas Operator | Sep 1990 |
14 | American Exploration Company | Houston, TX 77010 | Oil & Gas Operator | Jan 2000 |
15 | American Exploration Oper. Co. | | Oil & Gas Operator | May 1990 |
16 | American National Petroleum Co. | Houston, TX 77057 | Oil & Gas Operator | Aug 1995 |
17 | American Quasar Petroleum Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2014 |
18 | American Trading & Prod Corp | Houston, TX 77040-6471 | Oil & Gas Operator | Nov 2014 |
19 | Aminoil Of Louisiana, Inc. | | Oil & Gas Operator | Dec 1981 |
20 | Aminoil USA Inc | | Oil & Gas Operator | Jan 1985 |
21 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
22 | Ampolex (Texas), Inc. | | Oil & Gas Operator | May 1993 |
23 | An-Son Corporation | Oklahoma City, OK 73124 | Oil & Gas Operator | Jan 2006 |
24 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Sep 2024 |
25 | Anderson Exploration Co., Inc. | | Oil & Gas Operator | Sep 2023 |
26 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
27 | Apache Shelf, Inc. | Houston, TX 77056 | Oil & Gas Operator | Jan 2014 |
28 | Aquila Energy Resources Corp. | Houston, TX 77042 | Oil & Gas Operator | Nov 2013 |
29 | Araxas Exploration, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 1998 |
30 | Arco O & G Co-Div Atl Rich Co | | Oil & Gas Operator | Feb 1994 |
31 | Aries Operating LP | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
32 | Aries Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Feb 2010 |
33 | Arkla Exploration Co. | Shreveport, LA 71151 | Oil & Gas Operator | Jan 1993 |
34 | Ashland Exploration Inc | Houston, TX 77218 | Oil & Gas Operator | Nov 2000 |
35 | Ashland Oil, Inc | | Oil & Gas Operator | Dec 2022 |
36 | Aspect Energy, LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
37 | Atc Realty Eight, Inc. | | Oil & Gas Operator | Nov 1988 |
38 | Austral Oil & Exploration, Inc | | Oil & Gas Operator | Jun 2004 |
39 | Austral Oil Company Incorporated | Sulphur, LA 70663 | Oil & Gas Operator | Mar 2008 |
40 | Aviara Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2002 |
41 | Azimuth Energy, LLC | Denver, CO 80203 | Oil & Gas Operator | Sep 2006 |