1 | 1876 Resources LLC | Highlands Ranch, CO 80129 | Oil & Gas Operator | Jul 2024 |
2 | 31 Operating | | Oil & Gas Operator | Jul 2022 |
3 | 4-H Operating Corporation | | Oil & Gas Operator | Oct 2017 |
4 | 44 Canyon LLC | | Gas Operator | Mar 2006 |
5 | 8 North LLC | Denver, CO 80202 | Oil & Gas Operator | Jul 2024 |
6 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Oct 2024 |
7 | Aceite Energy Corp | | Oil & Gas Operator | Feb 2007 |
8 | Advanced Wireless Communications LLC | Farmington, NM 87401 | Oil & Gas Operator | Aug 2024 |
9 | Advantage Resources Inc | Broomfield, CO 80020 | Oil & Gas Operator | Jun 2024 |
10 | Aec Oil & Gas USA Inc | Denver, CO 80202 | Oil & Gas Operator | May 2004 |
11 | Aeon Energy Corp | | Oil & Gas Operator | Aug 2024 |
12 | Alamosa Drilling Inc | Dallas, TX 75206-1841 | Oil & Gas Operator | Apr 2024 |
13 | Alan Howard Karchmer Living Trust | | Oil Operator | Dec 2022 |
14 | Alta Mesa Services, LP | Houston, TX 77084 | Oil & Gas Operator | Oct 2024 |
15 | American Helium Operating LLC | | Oil & Gas Operator | Jun 2024 |
16 | American International Energy Corp | | Oil & Gas Operator | Oct 2003 |
17 | American Petroleum Energy Co | | Gas Operator | Jul 2024 |
18 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
19 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | Oct 2024 |
20 | Anchor Bay Corporation | Denver, CO 80202 | Oil & Gas Operator | Jun 2007 |
21 | Andrikopoulos Resources* A G | | Oil & Gas Operator | Jul 2015 |
22 | Anschutz Exploration Corporation | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
23 | Antara Resources Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 2004 |
24 | Antelope Energy Company LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2024 |
25 | Antero Resources Piceance LLC | | Oil & Gas Operator | Dec 2012 |
26 | Antler Energy LLC | Baggs, WY 82321 | Oil & Gas Operator | May 2024 |
27 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Oct 2024 |
28 | Apex Oil Ventures Inc | | Oil & Gas Operator | Jul 2024 |
29 | Apollo Operating LLC | | Oil & Gas Operator | Sep 2013 |
30 | Arch Oil & Gas, LLC | Dallas, TX 75254 | Oil & Gas Operator | Oct 2024 |
31 | Arco Permian, A Div Of Atlantic Richfield Company | | Gas Operator | Dec 2001 |
32 | Argali Exploration Company | | Gas Operator | May 2024 |
33 | Argonex Company LLC | | Oil & Gas Operator | Jan 2024 |
34 | Aries Operating, LLC | Houston, TX 77010 | Oil & Gas Operator | Feb 2010 |
35 | Ark Trust, Carol W Byrd Trustee | | Oil Operator | Aug 2024 |
36 | Arkoma Operations LLC | Tulsa, OK 74114-3502 | Oil & Gas Operator | Jul 2024 |
37 | Armor Petroleum, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2024 |
38 | Arp Production Company, LLC | Fort Worth, TX 76116 | Gas Operator | Jun 2024 |
39 | Atlas Resources LLC Dba Atlas Rockies LLC | | Gas Operator | Jun 2017 |
40 | Augustus Energy Partners LLC | Billings, MT 59102 | Oil & Gas Operator | Feb 2014 |
41 | Augustus Energy Resources LLC | | Oil & Gas Operator | Jun 2018 |
42 | Aurora Power Resources, Inc. | Houston, TX 77042 | Oil & Gas Operator | Aug 2018 |
43 | Aus-Tex Exploration Inc | | Oil & Gas Operator | Aug 2024 |
44 | Ausmus & Clark Oil | | Oil Operator | Jul 2022 |
45 | Axia Energy LLC | Hghlands Ranch, CO 80129-2258 | Oil & Gas Operator | Jun 2016 |
46 | Axis Exploration LLC | | Oil & Gas Operator | Jul 2024 |
47 | Ballard Petroleum LLC | Billings, MT 59102-5406 | Oil & Gas Operator | Apr 2014 |
48 | Baney Well Service Inc | Denver, CO 80237 | Oil Operator | Jun 2016 |
49 | Barfield Oil Corporation | | Oil & Gas Operator | Mar 2001 |
50 | Barrett Corporation* Bill | | Oil & Gas Operator | Jul 2024 |
51 | Barrett Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
52 | Basin Exploration Inc | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
53 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
54 | Bataa Oil Inc | Greeley, CO 80634 | Oil & Gas Operator | Aug 2024 |
55 | Bates* James Edward | | Oil & Gas Operator | Jul 2017 |
56 | Bayhorse Petroleum LLC | | Oil Operator | Dec 2016 |
57 | Bayless Producer LLC* Robert L | | Oil & Gas Operator | Jul 2024 |
58 | Bayswater Exploration & Production LLC | Denver, CO 80202 | Oil & Gas Operator | Jul 2024 |
59 | Beartooth Oil & Gas Company | Billings, MT 59103 | Oil & Gas Operator | Aug 2024 |
60 | Becca Oil LLC | Cushing, OK 74023-1347 | Oil & Gas Operator | Jun 2024 |
61 | Beeman Oil & Gas LLC | | Oil & Gas Operator | Aug 2024 |
62 | Belco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2015 |
63 | Benchmark Energy LLC | Pratt, KS 67124 | Oil & Gas Operator | Sep 2023 |
64 | Benchmark Oil & Gas Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
65 | Benson-Montin-Greer DRLG Corp | Farmington, NM 87402 | Oil & Gas Operator | Aug 2024 |
66 | Bepco Operating Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2006 |
67 | Beren Corporation | Wichita, KS 67206 | Oil & Gas Operator | Oct 2024 |
68 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Aug 2024 |
69 | Berexco LLC | Wichita, KS 67206 | Oil & Gas Operator | Oct 2024 |
70 | Berry Energy Inc*Walter | | Oil & Gas Operator | Feb 2017 |
71 | Berry Petroleum Company LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Aug 2024 |
72 | Bic Petroleum Inc | | Oil & Gas Operator | Sep 2002 |
73 | Big Run Production Company | Tyler, TX 75701 | Oil & Gas Operator | Oct 2024 |
74 | Bison Energy Corporation | Wichita, KS 67206 | Oil & Gas Operator | Feb 2023 |
75 | Bison IV Operating LLC | | Oil & Gas Operator | Jul 2024 |
76 | Black Diamond Minerals LLC | | Oil & Gas Operator | Jun 2014 |
77 | Black Hills Exploration & Production Inc | Newcastle, WY 82701 | Oil & Gas Operator | May 2018 |
78 | Black Hills Plateau Production LLC | | Oil & Gas Operator | May 2018 |
79 | Black Raven Energy Inc | | Oil & Gas Operator | Apr 2017 |
80 | Blackrock Energy Corp | | Oil Operator | Jul 2024 |
81 | Blue & Gray Energy Inc | | Oil & Gas Operator | Jun 2011 |
82 | Blue Chip Oil Inc | | Oil & Gas Operator | Jul 2024 |
83 | Blue Creek Inc | | Oil & Gas Operator | Dec 2002 |
84 | Bonanza Creek Energy Operating Company LLC | | Oil & Gas Operator | Jul 2024 |
85 | Bonneville Fuels Corp | Denver, CO 80290 | Oil & Gas Operator | Jun 2002 |
86 | Booco'S Contract Services Inc | | Oil & Gas Operator | Jan 2021 |
87 | Bopco, L.P. | Midland, TX 79701 | Oil & Gas Operator | Oct 2024 |
88 | Boulder Oil Company | | Oil & Gas Operator | Sep 2004 |
89 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2024 |
90 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
91 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
92 | Brito Oil Co., Inc | Wichita, KS 67201 | Oil & Gas Operator | Dec 2009 |
93 | Brooks Exploration, Inc. | Denver, CO 80293 | Oil & Gas Operator | Mar 2001 |
94 | Brown Oil & Gas LLC | | Oil & Gas Operator | Jul 2024 |
95 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
96 | Btu Energy | | Gas Operator | Aug 2009 |
97 | Burlington Resources Oil & Gas LP | | Oil & Gas Operator | Feb 2020 |
98 | Burr Oil & Gas Inc | Farmington, NM 87499 | Oil & Gas Operator | Oct 2019 |
99 | Byron Oil Industries Inc | Ballwin, MO 63011 | Oil & Gas Operator | Apr 2019 |
100 | C & J Field Services | | Oil & Gas Operator | Jul 2024 |