1 | Cajun Minerals, Inc. | | Oil & Gas Operator | Mar 1997 |
2 | Cajun Operating, Inc. | | Oil & Gas Operator | Jun 2011 |
3 | Cambridge Energy Corporation | | Oil & Gas Operator | Jul 2003 |
4 | Camex Operating Company | | Oil & Gas Operator | Jun 2024 |
5 | Camex, Inc. | | Oil & Gas Operator | Jun 1992 |
6 | Canlan Oil Company | | Oil & Gas Operator | Mar 1992 |
7 | Cardinal Oil & Gas, Inc. | | Oil & Gas Operator | Jun 1995 |
8 | Caribbean Oil & Gas Corp | | Oil & Gas Operator | Mar 1980 |
9 | Caribe Resources, Inc. | | Oil & Gas Operator | Jan 1985 |
10 | Carrizo Oil & Gas, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
11 | Cashco Energy Corporation | | Oil & Gas Operator | Feb 1982 |
12 | Cashco Oil Company | Houston, TX 77024 | Oil & Gas Operator | Aug 2003 |
13 | Caskids Operating Company | Houston, TX 77027 | Oil & Gas Operator | Dec 2024 |
14 | Caspen Oil, Inc. | Denver, CO 80226 | Oil & Gas Operator | Jul 1993 |
15 | Castex Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
16 | Cedyco Corporation | Houston, TX 77227 | Oil & Gas Operator | Nov 2008 |
17 | Celeron Oil & Gas Company | | Oil & Gas Operator | Dec 1987 |
18 | Cenco, Inc. | | Oil & Gas Operator | Mar 2022 |
19 | Century Exploration Company | | Oil & Gas Operator | Dec 2003 |
20 | Century Offshore MGMT. Corp. | | Oil & Gas Operator | Dec 1999 |
21 | Charles Holston, Inc. | | Oil Operator | Jul 2024 |
22 | Cheniere Petroleum Corporation | | Oil & Gas Operator | Feb 1989 |
23 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Jul 2024 |
24 | Chevron Pipe Line Company | Houston, TX 77001 | Oil Operator | Feb 2015 |
25 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
26 | Chroma Operating, Inc. | Washington, DC 20036 | Oil & Gas Operator | Jun 2016 |
27 | Cibolo Energy Operating, Inc. | Bulverde, TX 78163 | Oil & Gas Operator | Dec 2024 |
28 | Cimarex Energy Co | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
29 | Cities Service Oil & Gas Corp | | Oil & Gas Operator | Mar 1988 |
30 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
31 | Coastal Production Inc. | | Oil & Gas Operator | Aug 2000 |
32 | Cody Energy LLC | Houston, TX 77024 | Oil & Gas Operator | Jun 2020 |
33 | Cody Energy, Inc. | Houston, TX 77077 | Oil & Gas Operator | Sep 2024 |
34 | Columbia Gas Dev. Corp. | | Oil & Gas Operator | Apr 1996 |
35 | Concord Resources, LLC | | Oil & Gas Operator | Nov 2000 |
36 | Conley P Smith Operating Co. | | Oil & Gas Operator | Jun 1995 |
37 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
38 | Consolidated Energy Res., Inc. | | Oil Operator | Jun 1992 |
39 | Continental Operating Co. | Houston, TX 77024 | Oil & Gas Operator | Dec 2024 |
40 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Dec 2024 |
41 | Contour Energy E & P, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2002 |
42 | Contour Energy E & P, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2003 |
43 | Cornell Oil Company | | Oil & Gas Operator | May 1985 |
44 | Coronado Energy E&P Company, LLC | Houston, TX 77252 | Oil & Gas Operator | Dec 2010 |
45 | Costilla Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
46 | Cotton Petroleum Corporation | Tulsa, OK 74102 | Oil & Gas Operator | Jan 2005 |
47 | Cougar Exploration, Inc. | | Oil & Gas Operator | Jun 1988 |
48 | Cox Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2014 |
49 | Crosstex Lig, LLC | | Oil Operator | Mar 2014 |
50 | Crosstex Processing SVCS, LLC | | Oil Operator | Mar 2014 |
51 | Crystal Oil & Land Company | | Oil & Gas Operator | Apr 2002 |
52 | Cxy Energy, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Nov 2000 |
53 | Cymri Corporation, The | Houston, TX 77057 | Oil & Gas Operator | Mar 2008 |
54 | Cypress Gas Pipeline Company | | Oil Operator | Dec 1998 |
55 | Cypress Gas Pipeline, LLC | | Oil Operator | Sep 2019 |
56 | Cypress Production, Inc. | Azle, TX 76020 | Oil & Gas Operator | Dec 2024 |