1 | A J A Companies | Tyler, TX 75703 | Oil Operator | Mar 2025 |
2 | Abel, M.D. Co. | Lampasas, TX 76550 | Oil & Gas Operator | Jun 2017 |
3 | Ableready, Inc. | Houston, TX 77269 | Oil & Gas Operator | Mar 2025 |
4 | Ac Exploration, LLC | Houston, TX 77024 | Oil & Gas Operator | Mar 2025 |
5 | Accidie Exploration And Dev.,Inc | Plano, TX 75023 | Oil & Gas Operator | Mar 2025 |
6 | Acirema Corporation | Longview, TX 75608 | Oil & Gas Operator | Mar 2025 |
7 | Adamson Exploration Co. | Kilgore, TX 75662 | Oil Operator | Mar 2025 |
8 | Adexco Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
9 | Alegre Energy Operating, LP | San Antonio, TX 78216 | Oil & Gas Operator | Sep 2005 |
10 | Alegre Energy, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2025 |
11 | Alice-Sidney Oil Co | El Dorado, AR 71730 | Oil & Gas Operator | Feb 1995 |
12 | Altair Energy Corp. | Tyler, TX 75702 | Oil & Gas Operator | Jun 1994 |
13 | Amax Oil & Gas Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2014 |
14 | Amcon Resources, Inc. | Oklahoma City, OK 73101 | Gas Operator | Jun 2016 |
15 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Aug 2013 |
16 | American Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2003 |
17 | Ames Financial, Inc | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2024 |
18 | Amity Oil Co., Inc. | Dallas, TX 75206 | Oil & Gas Operator | Aug 1977 |
19 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
20 | Amplify Energy Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
21 | Anadarko E&P Company LP | Houston, TX 77251 | Oil & Gas Operator | Aug 2014 |
22 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | Mar 2025 |
23 | Andrew Alan Exploration, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2017 |
24 | Anthony Oil & Gas Co. | Shreveport, LA 71135 | Oil Operator | May 1993 |
25 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Mar 2025 |
26 | Arapahoe Resources LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Nov 2024 |
27 | Arcadia Expl. & Prod. Company | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2011 |
28 | Archon Resources LLC | Houston, TX 77074 | Oil & Gas Operator | Jan 2015 |
29 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
30 | Arco Permian | Houston, TX 77079 | Oil & Gas Operator | Dec 2001 |
31 | Arcooil Corp | San Antonio, TX 78205 | Oil & Gas Operator | Mar 2025 |
32 | Arena Resources LLC | Longview, TX 75608 | Oil & Gas Operator | Nov 2024 |
33 | Argent Petroleum Corporation | Center, TX 75935 | Oil & Gas Operator | Mar 2025 |
34 | Aries Operating LP | Houston, TX 77042 | Oil & Gas Operator | Mar 2025 |
35 | Aries Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Feb 2010 |
36 | Ark-La-Tex Energy Partners, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2013 |
37 | Ark-La-Tex Energy, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Mar 2025 |
38 | Arkla Exploration Co. | Shreveport, LA 71151 | Oil & Gas Operator | Jan 1993 |
39 | Armor Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Mar 2025 |
40 | Aroc (Texas) Inc | Houston, TX 77090 | Oil & Gas Operator | Dec 2014 |
41 | Arrow Rock Energy, LLC | Houston, TX 77079 | Oil & Gas Operator | Mar 2018 |
42 | Asa Oil & Gas, Inc. | Brady, TX 76825 | Oil & Gas Operator | Mar 2025 |
43 | Ascent Operating, LP | Plano, TX 75093 | Oil & Gas Operator | Aug 2008 |
44 | Asher Resources | Boerne, TX 78006 | Oil & Gas Operator | May 2015 |
45 | Aspen Land & Exploration Co | Tulsa, OK 74159-0335 | Oil & Gas Operator | Jul 2001 |
46 | Atasca Resources Inc | Houston, TX 77219 | Oil & Gas Operator | Mar 2025 |
47 | Atlantis Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Mar 2025 |
48 | Austex Energy, Inc. | Granbury, TX 76048 | Oil & Gas Operator | Apr 1993 |
49 | Austin Energy Operations, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Mar 2025 |
50 | Austin Resources Corporation | Houston, TX 77027 | Oil & Gas Operator | Mar 2008 |
51 | Axtel Energy, Inc. | Richardson, TX 75080 | Oil & Gas Operator | Mar 2025 |