1 | 1ST NRG Wyoming Inc | | Gas Operator | Dec 2020 |
2 | 4W Ranch | | Oil & Gas Operator | Dec 2008 |
3 | Aberdeen Petroleum (USA) Inc. | | Oil & Gas Operator | Jul 1993 |
4 | Abraxas Petroleum Corporation | San Antonio, TX 78258 | Oil & Gas Operator | Dec 2020 |
5 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Dec 2000 |
6 | Aethon Energy Operating LLC | Dallas, TX 75251 | Oil & Gas Operator | Dec 2020 |
7 | Aexco Petroleum Inc | Denver, CO 80202 | Oil & Gas Operator | Nov 2020 |
8 | Agnew-Sullivan Inc | | Oil Operator | Dec 2003 |
9 | Alexander Energy Corporation | Oklahoma City, OK BAD ADDR | Oil & Gas Operator | Mar 2015 |
10 | Allen And Crouch | | Oil & Gas Operator | Dec 2020 |
11 | Allen And Schramm Inc | | Oil & Gas Operator | Dec 1989 |
12 | Alpha Coal West Inc | | Oil & Gas Operator | Dec 2019 |
13 | Alpha Petrovision Us Inc | Canada, 100 | Oil & Gas Operator | May 2013 |
14 | Altex Oil Company | | Oil & Gas Operator | Dec 1995 |
15 | Am-West Petroleum Inc | | Oil & Gas Operator | Dec 2016 |
16 | Amarex Inc | | Oil & Gas Operator | Dec 1996 |
17 | Amax Oil & Gas Inc. | Houston, TX BAD ADDR | Oil & Gas Operator | Mar 2009 |
18 | Ambrit Energy Corp. | | Oil & Gas Operator | May 1999 |
19 | American Eagle Oil | | Oil & Gas Operator | Dec 2010 |
20 | American Energy Partners Inc | Allen, TX 75013 | Oil & Gas Operator | Dec 2011 |
21 | American Exploration Company | Houston, TX 77010-3088 | Oil & Gas Operator | Jan 2000 |
22 | Amplify Energy Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2020 |
23 | Ampolex Wy Inc | | Oil Operator | Dec 1995 |
24 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | Dec 2020 |
25 | Anadarko Minerals, Inc. | Oklahoma City, OK 73102-8606 | Oil & Gas Operator | Nov 2020 |
26 | Anadarko Petroleum Corporation | Houston, TX 77251-1330 | Oil & Gas Operator | Oct 2020 |
27 | Anchor Bay Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2007 |
28 | Anderson And Wells Oil Co | | Oil & Gas Operator | Dec 2006 |
29 | Anderson Management Company | | Oil & Gas Operator | Dec 2014 |
30 | Anderson Oil Company | Burkburnett, TX 76354-0576 | Oil & Gas Operator | Oct 2015 |
31 | Anr Production Company | Denver, CO 80201-0749 | Oil & Gas Operator | Sep 2017 |
32 | Anschutz Corporation, The | Denver, CO 80202 | Oil & Gas Operator | Sep 2016 |
33 | Anschutz Exploration Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2020 |
34 | Anschutz Oil Company LLC | | Oil & Gas Operator | Dec 2020 |
35 | Anschutz Pinedale Corporation | | Oil & Gas Operator | Dec 2014 |
36 | Ant Hills Production | | Oil & Gas Operator | Dec 2020 |
37 | Antelope Energy Company LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2020 |
38 | Antelope Resources Inc | Billings, MT 59101 | Oil Operator | May 2017 |
39 | Antler Energy LLC | | Oil & Gas Operator | Dec 2020 |
40 | Apache Corporation | Houston, TX 77056 | Oil & Gas Operator | Dec 2020 |
41 | Apx Western Corporation | | Oil & Gas Operator | Dec 1991 |
42 | Aquarius Oil And Gas | | Oil & Gas Operator | Dec 2016 |
43 | Arch Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Jan 1992 |
44 | Argent Energy (Us) Holdings Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Aug 2020 |
45 | Argentia Operating Company | | Oil Operator | Dec 1991 |
46 | Arjay Oil Company | | Oil Operator | Dec 1999 |
47 | Arnell Oil Company | | Oil Operator | Dec 2020 |
48 | Asher Associates Inc | Centennial, CO 80112 | Oil Operator | Aug 2016 |
49 | Atasca Resources, Inc. | Houston, TX 77219 | Oil & Gas Operator | Dec 2020 |
50 | Atlantic Oil And Gas Development LLC | | Oil Operator | Dec 2020 |
51 | Atlantic Oil Corporation | | Oil & Gas Operator | Dec 1982 |
52 | Atlantic Richfield Company | Plano, TX 75094-1744 | Oil & Gas Operator | Nov 2016 |
53 | Atomic Oil & Gas LLC | | Oil & Gas Operator | Dec 2012 |
54 | Atx Energy Partners LLC | | Oil & Gas Operator | Dec 2020 |
55 | Augustus Energy Partners LLC | Billings, MT 59102 | Oil & Gas Operator | Oct 2013 |
56 | Aztec Gas And Oil Corporation | Elephant Butte, NM 87935-0370 | Oil & Gas Operator | Mar 2005 |
57 | B3T LLC | | Oil Operator | Dec 2020 |
58 | Baldes Henry | | Oil Operator | Dec 1998 |
59 | Balidor Oil & Gas LLC | | Oil & Gas Operator | Dec 2020 |
60 | Ballard Petroleum Holdings LLC | Billings, MT 59104 | Oil & Gas Operator | Dec 2020 |
61 | Banding M R Inc | Gillette, WY 82717 | Oil & Gas Operator | Dec 2020 |
62 | Baney Well Service Inc | | Oil Operator | Jun 2016 |
63 | Banta And Haigh | | Oil Operator | Dec 1984 |
64 | Basin Resources Corporation | | Oil Operator | Dec 2012 |
65 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2012 |
66 | Bass Petroleum Inc | Austin, TX 78716 | Oil & Gas Operator | Dec 2020 |
67 | Bataa Oil Inc | Arvada, CO 80005 | Oil & Gas Operator | Dec 2020 |
68 | Bates Creek Oil | | Oil Operator | Dec 1986 |
69 | Bayless, Robert L Producer | Denver, CO 80293 | Oil & Gas Operator | Sep 2003 |
70 | Bayswater Exploration & Production, LLC | Clovis, CA 93612-1058 | Oil & Gas Operator | Nov 2020 |
71 | Baytex Energy USA LLC | | Oil & Gas Operator | Dec 2014 |
72 | Bear Oil And Gas Inc | | Oil & Gas Operator | Dec 2016 |
73 | Bearcat Energy LLC (Colorado) | | Oil & Gas Operator | Dec 2017 |
74 | Beartooth Oil & Gas Company | Billings, MT 59103 | Oil & Gas Operator | Dec 2020 |
75 | Belden & Blake Corporation | North Canton, OH 44720-0500 | Oil & Gas Operator | Dec 2016 |
76 | Bell Resources Inc | | Oil & Gas Operator | Dec 2014 |
77 | Benchmark Energy LLC | Pratt, KS 67124 | Oil & Gas Operator | Apr 2020 |
78 | Benson-Montin-Greer DRLG Corp | Farmington, NM 87402 | Oil & Gas Operator | Nov 2020 |
79 | Berco Resources LLC | | Oil & Gas Operator | Dec 2006 |
80 | Beren Corporation | Wichita, KS 67206 | Oil & Gas Operator | Dec 2020 |
81 | Berenergy Corporation | Denver, CO 80203 | Oil & Gas Operator | Dec 2020 |
82 | BHB Oil Partners LLC | | Oil & Gas Operator | Dec 2020 |
83 | BHP Petroleum (USA) Inc | | Gas Operator | Dec 1990 |
84 | BHP Petroleum Company Inc | Houston, TX 77057 | Oil & Gas Operator | Nov 2004 |
85 | Big Chief Exploration | | Oil & Gas Operator | Dec 1994 |
86 | Big Muddy Operating LLC | | Oil Operator | Dec 2020 |
87 | Bighorn Gas Operating Limited Partnner | | Oil & Gas Operator | Dec 2011 |
88 | Bill Barrett Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
89 | Black Bear Oil Corporation | Las Vegas, NV 89128-3636 | Oil & Gas Operator | Dec 2020 |
90 | Black Coal Resources Company | | Oil & Gas Operator | Dec 1991 |
91 | Black Diamond Energy Inc | | Gas Operator | Dec 2016 |
92 | Black Diamond Energy Of Delaware Inc | | Oil & Gas Operator | Dec 2020 |
93 | Black Hills Exploration & Production Inc | | Oil & Gas Operator | Dec 2018 |
94 | Black Hills Gas Distribution LLC | | Gas Operator | Dec 2020 |
95 | Black Jack Oil Co Inc | | Oil & Gas Operator | Nov 2020 |
96 | Black Thunder Oil LLC | | Oil Operator | Dec 2020 |
97 | Blackjack Oil, Inc. | Las Vegas, NV 89128 | Oil & Gas Operator | Nov 2019 |
98 | Blackstone Operating Inc | | Gas Operator | Dec 2009 |
99 | Blake Production LLC | | Oil & Gas Operator | Dec 2020 |
100 | BLM | Norman, OK 73072 | Gas Operator | Dec 2010 |