1 | 31 Operating LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2024 |
2 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Dec 2024 |
3 | Ansbro Petroleum Company, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2008 |
4 | Anschutz Oil Co. | | Oil & Gas Operator | Jul 1984 |
5 | Arsenal Energy USA Inc. | | Oil & Gas Operator | Aug 2016 |
6 | B & B Oilfield Services Inc | Windham, OH 44288 | Oil & Gas Operator | Dec 2023 |
7 | Ballantyne Oil | | Oil & Gas Operator | Jul 2010 |
8 | Ballantyne Oil, LLC | | Oil & Gas Operator | Mar 2023 |
9 | Barbara Fasken | Midland, TX 79701 | Oil & Gas Operator | Dec 1995 |
10 | Behm Energy, Inc. | Minot, ND 58702 | Oil & Gas Operator | Oct 2024 |
11 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Nov 2024 |
12 | Camwest II LP | McKinney, TX 75070 | Oil & Gas Operator | Jul 2007 |
13 | Cardinal Petroleum Co. | | Oil & Gas Operator | May 2004 |
14 | Caroline Hunt Trust Estate | | Oil & Gas Operator | Feb 1987 |
15 | Champlin Petroleum Co. | Rock Springs, WY 82902 | Oil & Gas Operator | Mar 1991 |
16 | Chandler & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | May 1997 |
17 | Clyde G. Kissinger | | Oil Operator | Jun 1964 |
18 | Clyde W. Jones | | Oil Operator | Sep 2003 |
19 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2024 |
20 | Condor Petroleum, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jun 2019 |
21 | D90 Energy, LLC | Austin, TX 78746 | Oil & Gas Operator | Dec 2024 |
22 | Depco Inc. | Denver, CO 80202 | Oil & Gas Operator | Apr 2014 |
23 | Double Aa Oil, L.L.C. | | Oil Operator | Aug 2023 |
24 | Eagle Operating Inc | Minot, ND 58701 | Oil & Gas Operator | Oct 2024 |
25 | Earl Schwartz Co. | | Oil & Gas Operator | Oct 1989 |
26 | Edward Mike Davis | Las Vegas, NV 89107 | Oil & Gas Operator | Feb 2003 |
27 | Edward Mike Davis, L.L.C. | | Oil & Gas Operator | Dec 2006 |
28 | Empire North Dakota LLC | Tulsa, OK 74114 | Oil & Gas Operator | Oct 2024 |
29 | Enduro Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2018 |
30 | Energy Operating Company Inc | Lakewood, CO 80235 | Oil & Gas Operator | Dec 2012 |
31 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Sep 2024 |
32 | Ensign Operating Co. | Denver, CO 80202 | Oil & Gas Operator | Jan 2004 |
33 | Flatirons Resources LLC | Westminster, CO 80021 | Oil & Gas Operator | Dec 2022 |
34 | Fram Operating LLC | | Oil & Gas Operator | Dec 2018 |
35 | G3 Operating, LLC | | Oil & Gas Operator | May 2013 |
36 | Genesis St Operating LLC | Kansas City, MO 64108 | Oil & Gas Operator | Dec 2024 |
37 | Georesources, Inc. | Williston, ND 58802-1505 | Oil & Gas Operator | Dec 2014 |
38 | Golden Eye Resources LLC | Greenwood VLG, CO 80121 | Oil Operator | Mar 2014 |
39 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
40 | Great American Exploration, Inc. | | Oil Operator | Feb 1979 |
41 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
42 | Gulf Oil Corp. | Denver, CO 80201-0599 | Oil & Gas Operator | Dec 2014 |
43 | Gypsy Highview Gathering System, Inc. | Cut Bank, MT 59427-0250 | Oil & Gas Operator | Oct 2000 |
44 | H & R Well Services, Inc. | FT Morgan, CO 80701 | Oil & Gas Operator | Apr 2015 |
45 | High Plains Operating, LLC | | Oil Operator | Oct 2024 |
46 | HRC Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2017 |
47 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
48 | Huntford Resources Corp | Englewood, CO 80112 | Oil & Gas Operator | Nov 2001 |
49 | I. J. Wilhite & Star Drilling, Inc. | | Oil Operator | Sep 1973 |
50 | Inexco Oil Company | Houston, TX 77210 | Oil & Gas Operator | Mar 2013 |
51 | Jettison, Inc. | | Oil & Gas Operator | Nov 2024 |
52 | Kennedy & Mitchell, Inc. | Houston, TX 77084 | Oil & Gas Operator | Aug 2013 |
53 | Kissinger Petroleum Corp | | Oil & Gas Operator | Nov 1983 |
54 | Long Petroleum, Inc. | Shreveport, LA 71166 | Oil & Gas Operator | Jun 2020 |
55 | McRae & Henry LTD | Golden, CO 80401 | Oil & Gas Operator | May 2022 |
56 | Moore & Associates | Denver, CO 80202 | Oil & Gas Operator | Dec 1993 |
57 | Murex Petroleum Corporation | Humble, TX 77347 | Oil & Gas Operator | Oct 2024 |
58 | New Horizon Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
59 | Nexen Oil And Gas U.S.A. Inc. | Calgary, AB T2P 5C1 | Oil & Gas Operator | Feb 2010 |
60 | Nordstrand Engineering Inc | Houston, TX 77019 | Oil & Gas Operator | Dec 2024 |
61 | Omimex International Corporation | Fort Worth, TX 76103-2300 | Oil & Gas Operator | Sep 2024 |
62 | Omimex Petroleum Inc | Fort Worth, TX 76120 | Oil & Gas Operator | Aug 2022 |
63 | Panamerican Operating Inc | Dallas, TX 75219 | Oil & Gas Operator | Dec 2024 |
64 | Petro Harvester Operating Company, LLC | | Oil & Gas Operator | Nov 2022 |
65 | Petroleum Inc | Wichita, KS 67202 | Oil & Gas Operator | Oct 2021 |
66 | Phillip D. Armstrong | | Oil & Gas Operator | Sep 2018 |
67 | Primewest Petroleum Inc. | Centennial, CO 80111 | Oil & Gas Operator | Jan 2009 |
68 | Sagebrush Resources, LLC | | Oil & Gas Operator | Jan 2011 |
69 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
70 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2024 |
71 | Sedalia Energy, LLC | | Oil & Gas Operator | Mar 2018 |
72 | Shell Oil Company | Houston, TX 77210 | Oil & Gas Operator | Apr 2015 |
73 | Sohio Petroleum Co. | Casper, WY 82602 | Oil & Gas Operator | Apr 1986 |
74 | South Oak Production Company | | Oil & Gas Operator | Jun 2010 |
75 | Sparrow Oil & Gas LLC | | Oil & Gas Operator | Oct 2024 |
76 | St Oil Company | Denver, CO 80264-2101 | Oil & Gas Operator | Dec 2010 |
77 | Stephens Williston, LLC Dba Seg Williston, LLC | | Oil & Gas Operator | Oct 2024 |
78 | Taqa USA, Inc. | Centennial, CO 80111 | Oil & Gas Operator | Jul 2020 |
79 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Sep 2024 |
80 | Texas Crude Energy, Inc. | Houston, TX 77256 | Oil & Gas Operator | Oct 2012 |
81 | Top Operating Company | | Oil & Gas Operator | Oct 2022 |
82 | Vaughn Petroleum, Inc. | Dallas, TX 75219 | Oil & Gas Operator | May 2004 |
83 | Ward-Williston Company | | Oil & Gas Operator | Apr 2014 |
84 | Wesco Operating, Inc. | Casper, WY 82602 | Oil & Gas Operator | Oct 2024 |
85 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Dec 2024 |
86 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
87 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jul 2024 |
88 | Williston Hunter ND, LLC | | Oil & Gas Operator | Mar 2014 |
89 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
90 | Zargon Oil (ND) Inc. | | Oil & Gas Operator | Oct 2024 |