1 | Edge Petroleum Oper. Co., Inc. | Houston, TX 77042 | Oil & Gas Operator | Nov 2010 |
2 | Eex Corporation | Houston, TX 77060 | Oil & Gas Operator | Feb 2000 |
3 | Eex E&P Company, L.P. | Houston, TX 77060 | Oil & Gas Operator | Jul 2003 |
4 | Eex Operating, L.P. | Houston, TX 77060 | Oil & Gas Operator | Jul 2003 |
5 | El Campo Operating, LLC | Dallas, TX 75206 | Oil & Gas Operator | Feb 2011 |
6 | El Dorado Resources Inc. | Waco, TX 76710 | Oil & Gas Operator | Oct 2009 |
7 | El Paso E&P Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2013 |
8 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
9 | El Paso Production Oil & Gas Co. | Houston, TX 77252 | Oil & Gas Operator | Dec 2024 |
10 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Sep 2024 |
11 | Eldon Oil Co. | Three Rivers, TX 78071 | Oil & Gas Operator | Dec 2024 |
12 | Elliott Oil & Gas Company | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2006 |
13 | Ellsworth, H. P. O&G Properties | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Dec 2024 |
14 | Emerald Oil & Gas LC | Fort Worth, TX 76109 | Oil & Gas Operator | Dec 2024 |
15 | Encino Exploration, Inc. | George West, TX 78022 | Oil & Gas Operator | Dec 2024 |
16 | Energy 2000, Inc. | Reno, NV 89501 | Oil & Gas Operator | Dec 2024 |
17 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2023 |
18 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Sep 2024 |
19 | Enerquest Operating, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Dec 2024 |
20 | Engroup Resources, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
21 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
22 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
23 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
24 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
25 | Erin Oil Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2024 |
26 | Esenjay Petroleum Corp. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jul 1998 |
27 | Etc Field Services LLC | San Antonio, TX 78258 | Oil Operator | Jun 2018 |
28 | Etoco, L.P. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
29 | European-Southwest Co. | Houston, TX 77254 | Oil & Gas Operator | Dec 2024 |
30 | Everest Minerals Corp. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 2001 |
31 | Excalibur E & P, LLC | Johnson City, TX 78636 | Oil & Gas Operator | Dec 2024 |
32 | Exok, Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Sep 2024 |
33 | Express Oil Co. | Hallettsville, TX 77964 | Oil & Gas Operator | Dec 2024 |
34 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
35 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |