1 | Capitol Oil & Gas Corporation | Centennial, WY 82055 | Oil Operator | Feb 2006 |
2 | Carol-Holly Oil Corporation | Denver, CO 80237 | Oil & Gas Operator | Oct 2024 |
3 | Celsius Energy Company | Denver, CO 80202-1558 | Oil & Gas Operator | Mar 2000 |
4 | Central Resources Inc | Denver, CO 80203 | Oil & Gas Operator | Dec 2019 |
5 | Central Wyoming Resources LTD | Glenrock, WY 82637 | Oil Operator | Jul 2021 |
6 | Century Production Inc | | Oil & Gas Operator | Dec 1986 |
7 | Chaco Energy Company | Denver, CO 80201 | Oil & Gas Operator | Oct 2024 |
8 | Chambers Jerry | Denver, CO 80237 | Oil & Gas Operator | Dec 1993 |
9 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
10 | Chaparral Resources Inc | Denver, CO 80293 | Oil & Gas Operator | Jan 1996 |
11 | Chapman Exploration Inc | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2013 |
12 | Charger Resources, LLC | Hurst, TX 76054 | Oil & Gas Operator | Aug 2015 |
13 | Chemily Management Company | Cypress, TX 77429 | Oil & Gas Operator | Apr 2023 |
14 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |
15 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
16 | Chipcore LLC | Casper, WY 82601 | Oil & Gas Operator | Oct 2024 |
17 | Chippewa Oil & Gas Inc | Douglas, WY 82633 | Oil & Gas Operator | Jan 1985 |
18 | Chriscor Oil & Gas | Plana, TX 75075 | Oil & Gas Operator | Jul 1987 |
19 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Dec 2024 |
20 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
21 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2024 |
22 | Coleman Oil & Gas Inc | Farmington, NM 87499 | Oil & Gas Operator | Jan 2023 |
23 | Colorado Oil & Gas Corporation | | Oil & Gas Operator | May 2003 |
24 | Combined Oil & Gas | Denver, CO 80202 | Oil & Gas Operator | Feb 1990 |
25 | Comet Energy Services LLC | Traverse City, MI 49686 | Oil & Gas Operator | Oct 2011 |
26 | Common Energy Inc | Douglas, WY 82633 | Oil & Gas Operator | Aug 1995 |
27 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
28 | Conquest Exploration | Houston, TX 77068 | Oil & Gas Operator | May 1991 |
29 | Contango Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
30 | Continental Industries LC | Casper, WY 82602 | Oil & Gas Operator | Feb 2008 |
31 | Continental Production Co LLC | Greenwood VIllage, CO 80155 | Oil & Gas Operator | Aug 2012 |
32 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Dec 2024 |
33 | Convest Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Sep 2014 |
34 | Cook D L | Holliday, TX 76366 | Oil & Gas Operator | Dec 2008 |
35 | Coquina Oil Corporation | Houston, TX 77227 | Oil & Gas Operator | Mar 2015 |
36 | Corrida Oil Inc | Denver, CO 80217 | Oil & Gas Operator | Jun 1990 |
37 | Cotton Petroleum Corporation | Tulsa, OK 74102 | Oil & Gas Operator | Jan 2005 |
38 | Crawley Petroleum Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2024 |
39 | Creek Oil Company | Colorado Springs, CO 80906 | Oil & Gas Operator | Aug 2001 |