1 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Dec 2024 |
2 | Ajax Oil Company | Billings, MT 59103 | Oil & Gas Operator | Dec 2003 |
3 | American Exploration Company | Houston, TX 77010 | Oil & Gas Operator | Jan 2000 |
4 | Anr Production Company | Houston, TX 77046 | Oil & Gas Operator | Aug 2017 |
5 | Armstrong Operating, Inc. | Dickinson, ND 58602 | Oil & Gas Operator | Oct 2024 |
6 | Assiniboine & Sioux Tribes | | Oil & Gas Operator | Mar 1997 |
7 | Ballard Petroleum Holdings LLC | Billings, MT 59104 | Oil & Gas Operator | Oct 2024 |
8 | BBX Operating Co. LLC | Austin, TX 78738 | Oil & Gas Operator | Jul 2024 |
9 | Berco Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Feb 2002 |
10 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Nov 2024 |
11 | Bill Barrett Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
12 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
13 | Bta Oil Producers, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
14 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Dec 2024 |
15 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
16 | Charger Resources, LLC | Hurst, TX 76054 | Oil & Gas Operator | Aug 2015 |
17 | Choctaw II Oil & Gas, LTD. | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |
18 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Dec 2024 |
19 | Columbus Energy Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2008 |
20 | Columbus Energy, LLC | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
21 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Dec 2024 |
22 | Crown Oil, Inc. | Houston, TX 77002 | Oil Operator | Jan 1999 |
23 | CWT Operating, LLC | McKinney, TX 75072 | Oil & Gas Operator | Oct 2024 |
24 | Darrah Oil Company LLC | Wichita, KS 67201 | Oil & Gas Operator | Dec 2024 |
25 | Denbury Onshore, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2024 |
26 | Digital Operating Company LLC | Boerne, TX 78006 | Oil & Gas Operator | Dec 2024 |
27 | Dominion Oklahoma Texas Exploration & Production | Houston, TX 77060 | Oil & Gas Operator | Dec 2006 |
28 | Drawings, LLC | Albuquerque, NM 87109 | Oil Operator | Sep 2024 |
29 | Eagle Operating Inc | Minot, ND 58701 | Oil & Gas Operator | Oct 2024 |
30 | Encore Operating LP | Plano, TX 75024 | Oil & Gas Operator | Oct 2024 |
31 | Energy Equity Company | Columbus, MT 59019 | Oil & Gas Operator | Sep 2024 |
32 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
33 | Equinor Energy LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2021 |
34 | Equitable Resources Energy Co, Western Region | Billings, MT 59102 | Oil & Gas Operator | May 1997 |
35 | FH Petroleum Corp. | Billings, MT 59103 | Oil & Gas Operator | Oct 2024 |
36 | Five-Jab, Inc. | Tomball, TX 77377 | Oil & Gas Operator | Dec 2024 |
37 | Flying J Oil & Gas Inc | North Salt Lake, UT 84054 | Oil & Gas Operator | Dec 2009 |
38 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Dec 2024 |
39 | Genesis St Operating LLC | Kansas City, MO 64108 | Oil & Gas Operator | Dec 2024 |
40 | Grayson Mill Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Oct 2024 |
41 | Green Valley Operating, LLC | Billings, MT 59108 | Oil & Gas Operator | Oct 2024 |
42 | Grizzly Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Oct 2024 |
43 | Headington Oil Company LLC | Dallas, TX 75204 | Oil & Gas Operator | Apr 2016 |
44 | Helis Oil & Gas Company, L.L.C. | New Orleans, LA 70130 | Oil & Gas Operator | Oct 2023 |
45 | HRC Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2017 |
46 | Huntington Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2006 |
47 | Intermountain Operating, Inc. | Billings, MT 59103 | Oil & Gas Operator | Jul 2001 |
48 | Intoil, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Dec 2002 |
49 | JN Expl & Prod LTD Partnership | Billings, MT 59103-0159 | Oil & Gas Operator | Feb 2001 |
50 | Journey Operating, L.L.C. | Sugar Land, TX 77496 | Oil & Gas Operator | Aug 2006 |
51 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Dec 2024 |
52 | Kerr-McGee Oil & Gas Onshore LP | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
53 | Kraken Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Oct 2024 |
54 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Dec 2024 |
55 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
56 | Missouri Basin Well Service, Inc. | Belfield, ND 58622 | Oil & Gas Operator | Jan 2018 |
57 | Missouri River Royalty Corporation | Bismarck, ND 58504 | Oil & Gas Operator | Oct 2024 |
58 | Murphy Exploration & Prod. Co. | Houston, TX 77094 | Oil & Gas Operator | Jun 2011 |
59 | Nance Petroleum Corporation | Billings, MT 59103-7168 | Oil & Gas Operator | Nov 2007 |
60 | Nautilus Poplar LLC | Poplar, MT 59255 | Oil Operator | Oct 2024 |
61 | Nerdlihc Company, Inc. | Long Beach, CA 90815 | Oil & Gas Operator | Nov 2006 |
62 | Nielco, Inc. | Billings, MT 59103 | Oil & Gas Operator | Apr 2002 |
63 | Northern Oil Production, Inc. | Bozeman, MT 59718 | Oil & Gas Operator | Oct 2024 |
64 | Oasis Petroleum North America LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2024 |
65 | Petro-Hunt, L.L.C. | Dallas, TX 75201 | Oil & Gas Operator | Dec 2024 |
66 | Pintail Petroleum Inc. | Wichita, KS 67202 | Oil & Gas Operator | Jun 2010 |
67 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2021 |
68 | Pittencrieff America Inc | Abilene, TX 79608 | Oil & Gas Operator | Feb 2003 |
69 | Pride Energy Company | Tulsa, OK 74170 | Oil & Gas Operator | Dec 2024 |
70 | Prima Exploration, Inc. | Denver, CO 80206 | Oil & Gas Operator | Oct 2024 |
71 | Ridge Energy | McKinney, TX 75070 | Oil & Gas Operator | Oct 2024 |
72 | Ritter, Laber & Associates, Inc. | Williston, ND 58802 | Oil & Gas Operator | Oct 2024 |
73 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
74 | Samson Oil & Gas USA Inc | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
75 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2024 |
76 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
77 | Sinclair Oil & Gas Company | Salt Lake Cty, UT 84130 | Oil & Gas Operator | Dec 2024 |
78 | Slawson Exploration Company Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2024 |
79 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Dec 2024 |
80 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
81 | Stearns Oil Company LLC | Willison, ND 58801 | Oil & Gas Operator | Oct 2024 |
82 | Stratex Oil And Gas, Inc. | Watertown, CT 06795 | Oil & Gas Operator | Jun 2016 |
83 | T2 Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
84 | Terrol Energy, Inc. | Hygiene, CO 80533 | Oil & Gas Operator | Dec 2006 |
85 | Tipperary Oil & Gas Corp | Denver, CO 80202 | Oil & Gas Operator | May 2014 |
86 | True Oil LLC | Casper, WY 82602 | Oil & Gas Operator | Oct 2024 |
87 | Vecta Oil & Gas LTD | Dallas, TX 75235 | Oil & Gas Operator | Oct 2024 |
88 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
89 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2024 |
90 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
91 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jul 2024 |
92 | Williston Industrial Supply Corporation | Williston, ND 58801 | Oil & Gas Operator | Mar 2012 |
93 | Wyoming Resources Corporation | Rapid City, SD 57702 | Oil & Gas Operator | Oct 2018 |
94 | Xoil Inc | Aurora, CO 80016 | Oil & Gas Operator | Jul 2023 |
95 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |
96 | Zenergy Operating Company, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2016 |