1 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Aug 2013 |
2 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
3 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Sep 2024 |
4 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
5 | Atinum Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Jan 2014 |
6 | BNP Petroleum Corporation | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Dec 2024 |
7 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
8 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
9 | Corenergy Operating Group, LLC | Houston, TX 77074 | Oil & Gas Operator | Dec 2024 |
10 | Davis Gulf Coast, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2024 |
11 | Davis Petroleum Corp. | Houston, TX 77027 | Oil & Gas Operator | Dec 2024 |
12 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
13 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
14 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
15 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
16 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
17 | Fieldwood Energy LLC | Houston, TX 77042 | Oil & Gas Operator | Jul 2024 |
18 | Hall-Houston Oil Company | Houston, TX 77002 | Oil & Gas Operator | Oct 2002 |
19 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Dec 2024 |
20 | Llog Expl. Co. | Metairie, LA 70005 | Oil & Gas Operator | Jan 2003 |
21 | Llog Exploration Offshore, Inc. | Covington, LA 70433 | Oil & Gas Operator | Aug 2004 |
22 | Llog Exploration Texas, L.P. | Covington, LA 70433 | Oil & Gas Operator | Dec 2024 |
23 | Llog Production Company | Metairie, LA 70005 | Oil & Gas Operator | Apr 1995 |
24 | Locin Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
25 | Lone Pine Production Assoc.,Inc. | Houston, TX 77056 | Oil & Gas Operator | Apr 1993 |
26 | Louisiana Land & Exploration Co. | Houston, TX 77210 | Oil & Gas Operator | Sep 2013 |
27 | Magellan E&P Holdings, Inc. | Houston, TX 77056 | Oil & Gas Operator | Jun 2021 |
28 | Mariner Energy, Inc. | Houston, TX 77042 | Oil & Gas Operator | Nov 2010 |
29 | Meridian Oil Inc. | Houston, TX 77210 | Oil & Gas Operator | Aug 1996 |
30 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
31 | Modena Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
32 | National Energy Group Inc | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
33 | Opmi Operating Company | Houston, TX 77057 | Oil & Gas Operator | Jun 2008 |
34 | Osprey Petroleum Company, Inc. | Manvel, TX 77578 | Oil & Gas Operator | May 2020 |
35 | Petrotex Engineering Company | Cypress, TX 77429 | Oil & Gas Operator | Dec 2024 |
36 | Pioneer Natural Res. USA, Inc. | Irving, TX 75038 | Oil & Gas Operator | Dec 2024 |
37 | Probe Offshore, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
38 | Royal Production Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
39 | Sabco Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2011 |
40 | Sabco Operating Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2018 |
41 | Samedan Oil Corp. -Offshore Div. | Houston, TX 77067 | Oil & Gas Operator | Dec 2002 |
42 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
43 | Seagull Energy E & P Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2015 |
44 | Sterling Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2015 |
45 | Tana Oil And Gas Corporation | Irving, TX 75062 | Oil & Gas Operator | Mar 2000 |
46 | The Houston Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
47 | TR Offshore, LLC | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Dec 2024 |
48 | Umc Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
49 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
50 | White Marlin Operating Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |