1 | 1ST NRG Wyoming Inc | | Gas Operator | Feb 2022 |
2 | 44 Mag Production Inc | | Gas Operator | Mar 2012 |
3 | 4W Ranch | | Oil Operator | Apr 2008 |
4 | Aberdeen Petroleum (USA) Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jul 1994 |
5 | Abraxas Petroleum Corporation | San Antonio, TX 78258 | Oil & Gas Operator | May 2022 |
6 | Accidental Oil Company Inc | | Oil & Gas Operator | Feb 2021 |
7 | Adairco LLC | | Oil & Gas Operator | Feb 2010 |
8 | Adams H D LLC | | Oil & Gas Operator | Mar 2022 |
9 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Dec 1997 |
10 | Advanced Recovery Services Co | | Oil & Gas Operator | Apr 2007 |
11 | Aethon Energy Operating LLC | Dallas, TX 75251 | Oil & Gas Operator | May 2022 |
12 | Aexco Petroleum Inc | Denver, CO 80202 | Oil & Gas Operator | Mar 2022 |
13 | Agri-Acres Inc | | Oil Operator | Jun 1996 |
14 | Ajax Oil Company | Billings, MT 59103 | Oil & Gas Operator | Dec 2003 |
15 | Alexander Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2015 |
16 | Allen And Crouch | | Oil & Gas Operator | Mar 2020 |
17 | Allen And Schramm Inc | | Oil & Gas Operator | Aug 1996 |
18 | Allie Oil | | Oil Operator | May 2000 |
19 | Alpha Coal West Inc | | Oil & Gas Operator | Jun 2020 |
20 | Alpha Energy LLC | Ashland, OR 97520 | Oil Operator | Feb 2022 |
21 | Alpha Petrovision Us Inc | Canada, 00100 | Oil & Gas Operator | May 2013 |
22 | Altex Oil Company | | Oil & Gas Operator | Dec 2005 |
23 | Altus Exploration Company | | Oil & Gas Operator | Jul 1984 |
24 | Am-West Petroleum Inc | | Oil & Gas Operator | Sep 2015 |
25 | Amarex Inc | | Oil & Gas Operator | Dec 1996 |
26 | Amax Oil & Gas Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Jun 1994 |
27 | Amberex Corporation | | Oil & Gas Operator | Sep 1984 |
28 | Ambrit Energy Corp. | Garland, TX 75044 | Oil & Gas Operator | May 1999 |
29 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Aug 2013 |
30 | American Eagle Oil | | Oil & Gas Operator | Dec 2012 |
31 | American Energy Partners Inc | Boerne, TX 78006 | Oil & Gas Operator | Dec 2011 |
32 | American Exploration Company | Houston, TX 77010 | Oil & Gas Operator | Jan 2000 |
33 | Ames Oil And Gas | | Oil & Gas Operator | Apr 1986 |
34 | Aminoil USA Inc | | Oil & Gas Operator | Jan 1985 |
35 | Amplify Energy Operating LLC | Houston, TX 77002 | Oil & Gas Operator | May 2022 |
36 | Ampolex Wy Inc | | Oil & Gas Operator | Mar 1997 |
37 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | May 2022 |
38 | Anadarko Minerals, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2022 |
39 | Anadarko Ogc Company | Houston, TX 77251 | Oil & Gas Operator | Dec 1998 |
40 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Feb 2022 |
41 | Anchor Bay Corporation | Denver, CO 80202 | Oil & Gas Operator | Jun 2007 |
42 | Anderson Management Company | | Oil & Gas Operator | May 2016 |
43 | Anderson Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Oct 2015 |
44 | Andrikopoulos A G | | Oil & Gas Operator | Dec 1994 |
45 | Angus Petroleum Corporation | | Oil & Gas Operator | Mar 2022 |
46 | Anr Production Company | Houston, TX 77046 | Oil & Gas Operator | Sep 2017 |
47 | Anschutz Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 2016 |
48 | Anschutz Exploration Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2022 |
49 | Anschutz Oil Company LLC | | Oil & Gas Operator | Sep 2020 |
50 | Anschutz Pinedale Corporation | | Oil & Gas Operator | Dec 2015 |
51 | Ant Hills Production | | Oil & Gas Operator | Feb 2022 |
52 | Antelope Energy Company LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2022 |
53 | Antelope Resources Inc | Denton, TX 76206 | Oil & Gas Operator | Jul 2016 |
54 | Antero Energy LLC | | Gas Operator | Nov 2003 |
55 | Antler Energy LLC | | Oil & Gas Operator | Dec 2021 |
56 | Apache Corporation | Houston, TX 77056 | Oil & Gas Operator | May 2022 |
57 | Apc Operating Partnership | Tulsa, OK 74136 | Oil & Gas Operator | Oct 1996 |
58 | Apollo 17 Oil And Gas Inc | | Oil Operator | Feb 1988 |
59 | Apollo Drilling And Exploration | | Oil & Gas Operator | Oct 1980 |
60 | Apx Western Corporation | | Oil & Gas Operator | Sep 1991 |
61 | Aquarius Oil And Gas | | Oil & Gas Operator | Sep 2017 |
62 | Arabie, Inc. | Austin, TX 78735 | Oil & Gas Operator | May 2022 |
63 | Arapaho Petroleum Inc | | Oil & Gas Operator | Feb 1992 |
64 | Arch Oil And Gas Company | Midland, TX 79702 | Oil & Gas Operator | Feb 1994 |
65 | Argent Energy (Us) Holdings Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Jan 2022 |
66 | Argentia Operating Company | | Oil Operator | Oct 1991 |
67 | Argo Petroleum Corporation | | Oil & Gas Operator | Dec 1989 |
68 | Arjay Oil Company | | Oil & Gas Operator | May 2000 |
69 | Arkland Producing Co Inc | Midland, TX 79701 | Oil & Gas Operator | May 2022 |
70 | Arnell Oil Company | | Oil Operator | Mar 2022 |
71 | Arrowhead Resources USA LTD | | Oil & Gas Operator | Dec 1992 |
72 | Asamera Oil Us Inc | Denver, CO 80201 | Oil & Gas Operator | Jul 1985 |
73 | Asher Associates Inc | Centennial, CO 80112 | Oil & Gas Operator | Aug 2016 |
74 | Ashland Exploration | | Oil & Gas Operator | May 1979 |
75 | Atasca Resources, Inc. | Houston, TX 77219 | Oil & Gas Operator | May 2022 |
76 | Atlantic Oil And Gas Development LLC | | Oil Operator | Feb 2022 |
77 | Atlantic Oil Corporation | | Oil & Gas Operator | Dec 1982 |
78 | Atlantic Richfield Company | Midland, TX 79702 | Oil & Gas Operator | Nov 2016 |
79 | Atomic Oil & Gas LLC | | Oil & Gas Operator | Dec 2012 |
80 | Atr Energy Corp | | Oil Operator | Mar 2022 |
81 | Atx Energy Partners LLC | | Oil & Gas Operator | Mar 2022 |
82 | Augustus Energy Partners LLC | Billings, MT 59102 | Oil & Gas Operator | Oct 2013 |
83 | Avalon Energy Corporation | | Oil & Gas Operator | Jul 1990 |
84 | Axem Resources Inc | Denver, CO 80202-4617 | Oil & Gas Operator | Dec 2015 |
85 | Axiom Energy LLC | | Oil Operator | Feb 2010 |
86 | Aztec Gas And Oil Corporation | Elephant Butte, NM 87935-0370 | Oil & Gas Operator | Mar 2005 |
87 | B J Oil Company | Corsicana, TX 75109 | Oil & Gas Operator | May 2022 |
88 | B3T LLC | | Oil Operator | Mar 2022 |
89 | Baldes Henry | | Oil Operator | Dec 1998 |
90 | Balidor Oil & Gas LLC | | Oil & Gas Operator | Oct 2021 |
91 | Ballard Petroleum Holdings LLC | Billings, MT 59104 | Oil & Gas Operator | Mar 2022 |
92 | Balsam R C | | Oil & Gas Operator | Apr 1991 |
93 | Bandera Energy Company | | Oil & Gas Operator | Mar 1986 |
94 | Banding M R Inc | Gillette, WY 82717 | Oil & Gas Operator | Mar 2022 |
95 | Baney Well Service Inc | | Oil Operator | Jun 2016 |
96 | Banks And Conrad | | Oil Operator | Sep 1987 |
97 | Banks Operating Company | | Oil & Gas Operator | Jul 1989 |
98 | Bannon Energy Inc | Houston, TX 77068 | Oil & Gas Operator | Jun 1998 |
99 | Banta And Haigh | | Oil & Gas Operator | Feb 1998 |
100 | Barbe D F | | Oil & Gas Operator | Dec 2000 |