1 | Aa Production Services Inc. | | Gas Operator | Nov 2023 |
2 | Aba Energy Corporation | | Oil & Gas Operator | Dec 2023 |
3 | Alanmar Energy | | Gas Operator | Jan 2018 |
4 | Argo Petroleum Corporation | | Oil & Gas Operator | Dec 1989 |
5 | Aristata Exploration Co. | | Gas Operator | Dec 2009 |
6 | Arkoma Production Company Of California | | Oil & Gas Operator | Dec 1993 |
7 | Armstrong Petroleum Corporation | | Oil & Gas Operator | Dec 2023 |
8 | Aspen Exploration Corporation | | Oil & Gas Operator | Dec 2007 |
9 | Atlantic Oil Company | | Oil & Gas Operator | Nov 2023 |
10 | Baker Oil And Gas Company | | Gas Operator | Dec 1997 |
11 | Caballero Operations LLC | | Oil & Gas Operator | Dec 2023 |
12 | California Hydrocarbons Corporation | | Gas Operator | Dec 2023 |
13 | California Resources Production Corporation | | Oil & Gas Operator | Dec 2023 |
14 | Campbell Energy Corp. | | Oil & Gas Operator | May 1992 |
15 | Castle Minerals | | Oil & Gas Operator | Dec 2018 |
16 | Cenex Inc. | | Oil & Gas Operator | Dec 1994 |
17 | Central Valley Gas Storage LLC | | Gas Operator | Dec 2023 |
18 | Century Production Inc | | Oil & Gas Operator | Dec 1986 |
19 | Champlin Petroleum Co. | Rock Springs, WY 82902 | Oil & Gas Operator | Mar 1991 |
20 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
21 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
22 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
23 | Crest Oil & Gas Management Corp. | | Oil & Gas Operator | Nov 2023 |
24 | Dalen Resources Oil & Gas Co. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2010 |
25 | Dekalb Energy Company | Oklahoma City, OK 73134 | Oil & Gas Operator | Oct 1996 |
26 | Denali Oil & Gas Management, LLC | Houston, TX 77060 | Oil & Gas Operator | Dec 2012 |
27 | Donald C Slawson Expl Co. Inc | | Oil & Gas Operator | Dec 2020 |
28 | Dos Rios Inc. | | Gas Operator | Dec 2023 |
29 | Drilling Exploration & Operating Co. Inc. | | Oil & Gas Operator | Dec 2023 |
30 | Dynamic Production, Inc. | Fort Worth, TX 76106 | Oil & Gas Operator | Apr 2024 |
31 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
32 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
33 | Foothill Energy, LLC | Spring, TX 77393 | Oil & Gas Operator | Apr 2024 |
34 | Fountain Oil And Gas Co. | | Gas Operator | Dec 1993 |
35 | Gary Drilling Company | | Oil & Gas Operator | Dec 2000 |
36 | Harvest Petroleum Inc. | Frisco, TX 75033 | Oil & Gas Operator | Apr 2024 |
37 | Jeans Well Service | | Gas Operator | Dec 1985 |
38 | Jordan Oil & Gas Company | Healdsburg, CA 95448-1919 | Oil & Gas Operator | Mar 1995 |
39 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Apr 2024 |
40 | Key Production Company, Inc. | Longview, TX 75606 | Oil & Gas Operator | Dec 2023 |
41 | Lario Oil & Gas Company | Odessa, TX 79762 | Oil & Gas Operator | Apr 2024 |
42 | Lee Lamberson Inc. | | Oil & Gas Operator | Dec 2000 |
43 | Maranatha Petroleum Inc. | | Oil & Gas Operator | Nov 2023 |
44 | Maxus Exploration Company | Dallas, TX 75201 | Oil & Gas Operator | Jan 1995 |
45 | Mobil Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2016 |
46 | Monument Production Inc. | | Oil & Gas Operator | Dec 2011 |
47 | Natural Gas Corp. Of Calif. | | Oil & Gas Operator | Dec 1987 |
48 | North Valley Oil & Gas Co. | | Oil & Gas Operator | Dec 1996 |
49 | Northern Energy Devel. Co. | | Gas Operator | Dec 1995 |
50 | Northern Michigan Expl Co | | Oil & Gas Operator | Jul 1990 |
51 | Occidental Petroleum Corporation | | Oil & Gas Operator | Dec 2021 |
52 | Pacific Petroleum Technology LLC | | Oil & Gas Operator | Dec 2018 |
53 | Petrogulf Corporation | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
54 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
55 | Pueblo Oil & Gas Inc. | | Gas Operator | Dec 2003 |
56 | Razar Resources | | Oil & Gas Operator | Dec 2000 |
57 | Robert W. Berry Inc. | | Gas Operator | Dec 1988 |
58 | Rosetta Resources Operating LP | San Antonio, TX 78216 | Oil & Gas Operator | Apr 2024 |
59 | Royale Energy Inc | San Diego, CA 92108-4518 | Oil & Gas Operator | Dec 2023 |
60 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
61 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
62 | Signal Hill Petroleum Inc. | | Oil & Gas Operator | Dec 2023 |
63 | Source Energy Corp. | | Gas Operator | Aug 2022 |
64 | Steve Smith | | Gas Operator | Dec 1987 |
65 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Nov 2023 |
66 | Texaco Producing Inc. | Rock Springs, WY 82901 | Oil & Gas Operator | Dec 2000 |
67 | The Termo Company | Long Beach, CA 90801 | Oil & Gas Operator | Feb 2024 |
68 | Triton Oil & Gas Corp. | Houston, TX 77002 | Oil & Gas Operator | Nov 2014 |
69 | Txo Production Corp. | Ganado, TX 77962 | Oil & Gas Operator | Aug 2022 |
70 | Venoco LLC | | Oil & Gas Operator | Nov 2023 |
71 | Vintage Production California LLC | | Oil & Gas Operator | Jun 2016 |
72 | Western Continental Operating Company | | Oil & Gas Operator | Dec 2007 |
73 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |