1 | Armstrong Operating, Inc. | Dickinson, ND 58602 | Oil & Gas Operator | Oct 2024 |
2 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
3 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
4 | C12 Energy: North Dakota LLC | | Oil Operator | Apr 2017 |
5 | Cardinal Petroleum Co. | | Oil & Gas Operator | May 2004 |
6 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
7 | Charger Resources, LLC | Hurst, TX 76054 | Oil & Gas Operator | Aug 2015 |
8 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2024 |
9 | Cline Production Company | Billings, MT 59104 | Oil & Gas Operator | Sep 2024 |
10 | Columbus Energy Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2008 |
11 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
12 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
13 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Dec 2024 |
14 | Denbury Onshore, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2024 |
15 | Eagle Operating Inc | Minot, ND 58701 | Oil & Gas Operator | Oct 2024 |
16 | Emerald Oil, Inc | | Oil & Gas Operator | Dec 2016 |
17 | Encore Energy Partners Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2015 |
18 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Oct 2024 |
19 | Enerplus Resources USA Corporation | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
20 | Farmers Union Central Exchange, Inc. | | Oil & Gas Operator | May 1983 |
21 | Fidelity Exploration & Production Company | Denver, CO 80203 | Oil & Gas Operator | Nov 2024 |
22 | Five States Operating Company LLC | Dallas, TX 75206 | Oil & Gas Operator | Oct 2024 |
23 | Fortson Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2020 |
24 | G3 Operating, LLC | | Oil & Gas Operator | May 2013 |
25 | Georesources, Inc. | Williston, ND 58802-1505 | Oil & Gas Operator | Dec 2014 |
26 | GMX Resources, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2014 |
27 | Gulf Oil Corp. | Denver, CO 80201-0599 | Oil & Gas Operator | Dec 2014 |
28 | H & R Well Services, Inc. | FT Morgan, CO 80701 | Oil & Gas Operator | Apr 2015 |
29 | Hess Bakken Investments II, LLC | | Oil & Gas Operator | Oct 2024 |
30 | Hess Corporation | Houston, TX 77010 | Oil & Gas Operator | Aug 2017 |
31 | HNG Oil Company | | Oil & Gas Operator | Jun 1987 |
32 | HRC Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2017 |
33 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Dec 2024 |
34 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
35 | KRB Enterprise, Inc. | | Oil Operator | Oct 2024 |
36 | Lamar Hunt | | Oil & Gas Operator | Oct 2003 |
37 | Leede Oil & Gas Inc. | Greenwood VLG, CO 80111 | Oil & Gas Operator | Aug 2003 |
38 | Medora Minerals, LLC | | Oil & Gas Operator | Oct 2024 |
39 | Missouri Basin Well Service, Inc. | Belfield, ND 58622 | Oil & Gas Operator | Jan 2018 |
40 | Mobil Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2016 |
41 | Murex Petroleum Corporation | Humble, TX 77347 | Oil & Gas Operator | Oct 2024 |
42 | New Millennium Resources, Inc. | | Oil & Gas Operator | Oct 2024 |
43 | P.O.&G. Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
44 | Petro Harvester Operating Company, LLC | | Oil & Gas Operator | Nov 2022 |
45 | Petro-Hunt Dakota, LLC | | Oil & Gas Operator | Oct 2024 |
46 | Petroleum Inc | Wichita, KS 67202 | Oil & Gas Operator | Oct 2021 |
47 | Petrosearch Operating Co, LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
48 | Prima Exploration, Inc. | Denver, CO 80206 | Oil & Gas Operator | Oct 2024 |
49 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
50 | Skelly Oil Co | | Oil & Gas Operator | Mar 2005 |
51 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Dec 2024 |
52 | South Heart Company | | Oil Operator | Aug 2010 |
53 | Thunderbird Resources LP | | Oil & Gas Operator | Apr 2019 |
54 | Transtexas Gas Corporation | Houston, TX 77265 | Oil & Gas Operator | Aug 2005 |
55 | True Oil LLC | Casper, WY 82602 | Oil & Gas Operator | Oct 2024 |
56 | Upton Resources U.S.A. Inc. | | Oil & Gas Operator | Oct 2013 |
57 | Vanguard Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Feb 2021 |
58 | Wesco Operating, Inc. | Casper, WY 82602 | Oil & Gas Operator | Oct 2024 |
59 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
60 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2024 |
61 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
62 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jul 2024 |