1 | D90 Energy, LLC | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
2 | Dalen Resources Oil & Gas Co. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2010 |
3 | Damson Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Mar 2005 |
4 | Daube Company The | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2024 |
5 | Davey Corporation | Golden, CO 80401 | Oil & Gas Operator | Mar 2024 |
6 | Davis Exploration | | Oil Operator | Dec 2007 |
7 | Davis Oil Company | Pawhuska, OK 74056 | Oil & Gas Operator | Jun 2018 |
8 | DCD Inc | Gillette, WY 82716 | Oil & Gas Operator | Aug 2003 |
9 | Deca Energy Corporation | | Oil & Gas Operator | Aug 1986 |
10 | Decalta International Corp | Denver, CO 80202 | Oil & Gas Operator | Mar 2015 |
11 | Dekalb Energy Company | Oklahoma City, OK 73134 | Oil & Gas Operator | Oct 1996 |
12 | Denbury Onshore, LLC | Plano, TX 75024 | Oil & Gas Operator | May 2024 |
13 | Devon Energy Operating Corp | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2013 |
14 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2024 |
15 | Devon SFS Operating Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
16 | Diamond Oil & Gas LLC | Casper, WY 82604 | Oil & Gas Operator | Mar 2024 |
17 | Diasu Oil & Gas Co., Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
18 | Dietrich Resources Corporation | | Oil & Gas Operator | Jun 2007 |
19 | DKM Resources, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2011 |
20 | DNR Oil And Gas, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Mar 2024 |
21 | Dol Resources Inc | Rowlett, TX 75088 | Oil & Gas Operator | Apr 2024 |
22 | Dome Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
23 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
24 | Duncan Energy Company | Denver, CO 80202 | Oil & Gas Operator | Mar 2008 |
25 | Duncan Oil Inc | Denver, CO 80210 | Oil & Gas Operator | Jun 2016 |
26 | Dyco Petroleum Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |