1 | A.D. Operating | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
2 | A.E.N. Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jan 1996 |
3 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Mar 2025 |
4 | Acock/Anaqua Operating Co., LP | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2025 |
5 | Acoma Oil Corporation | Saint Paul, MN 55102 | Oil & Gas Operator | Mar 2025 |
6 | Adkins, R. L. Corp. | Lubbock, TX 79408 | Oil & Gas Operator | Jun 2013 |
7 | Aethon I LP | Dallas, TX 75206 | Oil & Gas Operator | Mar 2015 |
8 | Alaron Energy, Inc. | Irving, TX 75038 | Oil & Gas Operator | Mar 2025 |
9 | Alda Oil & Gas Corporation | Nichols Hill, OK 73116 | Oil & Gas Operator | Jan 2004 |
10 | Alegre Energy Operating, LP | San Antonio, TX 78216 | Oil & Gas Operator | Sep 2005 |
11 | Alegre Energy, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2025 |
12 | Alexander Resources, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2025 |
13 | Allar Co., The | Graham, TX 76450 | Oil & Gas Operator | Dec 2004 |
14 | Allegro Operating, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2025 |
15 | Alliance Ogo, LP | Pleasanton, CA 94588 | Oil & Gas Operator | Mar 2025 |
16 | Alpha Exploration Co. | Wichita Falls, TX 76309 | Oil & Gas Operator | Oct 1998 |
17 | Alumni Oil LLC | Plano, TX 75024 | Oil Operator | Mar 2025 |
18 | Amcon Resources, Inc. | Oklahoma City, OK 73101 | Gas Operator | Jun 2016 |
19 | Amerac Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2013 |
20 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Aug 2013 |
21 | American Cascade Energy, Inc. | Barker, TX 77413 | Oil & Gas Operator | Mar 2025 |
22 | American Cometra, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2008 |
23 | American Exploration Company | Houston, TX 77010 | Oil & Gas Operator | Jan 2000 |
24 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
25 | Ampak Oil Company | Plano, TX 75074 | Oil & Gas Operator | Mar 2025 |
26 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Dec 2024 |
27 | Anathema, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Dec 1994 |
28 | Andalucia Oil Company | San Antonio, TX 78258 | Oil Operator | Mar 2025 |
29 | Anderson, James K. Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2025 |
30 | Angle Oil Company | Hays, KS 67601 | Oil Operator | Sep 2002 |
31 | Antle Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
32 | Apex Royalties, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 1997 |
33 | Arabella Petroleum Company, LLC | Austin, TX 78701 | Oil & Gas Operator | Mar 2025 |
34 | Arcadian Resources LLC | Glen Elder, KS 67446 | Oil & Gas Operator | Mar 2025 |
35 | Aspen Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2012 |
36 | Atapco | Houston, TX 77040 | Oil & Gas Operator | Feb 1999 |
37 | Atasca Resources Inc | Houston, TX 77219 | Oil & Gas Operator | Mar 2025 |
38 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Mar 2025 |
39 | Atmos Pipeline - Texas | Dallas, TX 75240 | Oil & Gas Operator | Mar 2025 |
40 | Atropos Exploration Company | Dallas, TX 75225 | Oil & Gas Operator | Mar 2025 |
41 | Avad Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Mar 2025 |
42 | Avery Oil & Gas, L.P. | Buena VIsta, CO 81211 | Gas Operator | Dec 2006 |
43 | Avery, Irving W. | Buena VIsta, CO 81211 | Oil & Gas Operator | Mar 2008 |
44 | Axis Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Mar 2025 |