1 | 1876 Resources LLC | Highlands Ranch, CO 80129 | Oil & Gas Operator | Oct 2024 |
2 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Dec 2024 |
3 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
4 | Alpha Petrovision Us Inc | Canada, 00100 | Oil & Gas Operator | May 2013 |
5 | Amax Oil & Gas Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2014 |
6 | Anderson Oil Company | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 2015 |
7 | Anschutz Exploration Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
8 | Anschutz Pinedale Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2015 |
9 | Ant Hills Production | Lusk, WY 82225 | Oil & Gas Operator | Aug 2024 |
10 | Antelope Energy Company LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
11 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
12 | Apc Operating Partnership | Tulsa, OK 74136 | Oil & Gas Operator | Oct 1996 |
13 | Arena Resources LLC | Longview, TX 75608 | Oil & Gas Operator | Sep 2024 |
14 | Asher Associates Inc | Centennial, CO 80112 | Oil & Gas Operator | Aug 2016 |
15 | Atlantic Richfield Company | Plano, TX 75074 | Oil & Gas Operator | Dec 2016 |
16 | Axia Energy III LLC | Highlands Ranch, CO 80124 | Oil & Gas Operator | Jul 2023 |
17 | Balidor Oil & Gas LLC | Houston, TX 77070 | Oil & Gas Operator | Oct 2021 |
18 | Baytex Energy USA LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2014 |
19 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
20 | BHP Petroleum (USA) Inc | | Oil & Gas Operator | Mar 1993 |
21 | Black Bear Oil Corporation | Las Vegas, NV 89128 | Oil & Gas Operator | Oct 2024 |
22 | Black Hills Exploration & Production Inc | Newcastle, WY 82701 | Oil & Gas Operator | May 2018 |
23 | Boggy Creek Production | Newcastle, WY 82701 | Oil & Gas Operator | Apr 2012 |
24 | Bradley Jr Jack C | Casper, WY 82601 | Oil & Gas Operator | Apr 2009 |
25 | Bradley SR Jack C | Newcastle, WY 82701 | Oil Operator | Jun 2010 |
26 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
27 | Brent Exploration | | Oil & Gas Operator | Dec 1993 |
28 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
29 | Brown & Bickerstaff | | Oil & Gas Operator | Oct 1991 |
30 | Buck Creek Freight Inc | Lusk, WY 82225 | Oil Operator | Oct 2024 |
31 | Bullock A O | Casper, WY 82604 | Oil & Gas Operator | Oct 2024 |
32 | Bullock Gladys C Trust | | Oil & Gas Operator | Dec 1999 |
33 | Burlington Resources Oil & Gas Company L | Gillette, WY 82718 | Oil & Gas Operator | Jan 2022 |
34 | BW Oil LLC | Hamel, MN 55340 | Oil Operator | Jun 2015 |
35 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
36 | Carlson Petroleum Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
37 | Castle Rock Oil LLC | | Oil Operator | Oct 2024 |
38 | Central Resources Inc | Denver, CO 80203 | Oil & Gas Operator | Dec 2019 |
39 | Century Oil And Gas LLC | Katy, TX 77494 | Oil & Gas Operator | Oct 2024 |
40 | Chemily Management Company | Cypress, TX 77429 | Oil & Gas Operator | Apr 2023 |
41 | Cherokee Oil Production Inc | Wichita, KS 67230 | Oil & Gas Operator | Jan 1997 |
42 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |
43 | Cheyenne River LLC | Dallas, TX 75204 | Oil & Gas Operator | Nov 2018 |
44 | Chipcore LLC | Casper, WY 82601 | Oil & Gas Operator | Oct 2024 |
45 | Cig Exploration | Denver, CO 80201 | Oil & Gas Operator | Sep 1999 |
46 | Cinco Natural Resources Corp | La Grange, TX 78945 | Oil & Gas Operator | Dec 2024 |
47 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Dec 2024 |
48 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2024 |
49 | Common Energy Inc | Douglas, WY 82633 | Oil & Gas Operator | Aug 1995 |
50 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
51 | Coral Production Corporation | Denver, CO 80201 | Oil & Gas Operator | Sep 2024 |
52 | Damson Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Mar 2005 |
53 | Darrah John Jay Jr | Wichita, KS 67201 | Oil & Gas Operator | Oct 2024 |
54 | Davis Oil Company | Pawhuska, OK 74056 | Oil & Gas Operator | Jun 2018 |
55 | Davis Petroleum Corp. | Houston, TX 77027 | Oil & Gas Operator | Dec 2024 |
56 | Dekalb Energy Company | Oklahoma City, OK 73134 | Oil & Gas Operator | Oct 1996 |
57 | Deuel Arch W | | Oil & Gas Operator | Aug 1995 |
58 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2024 |
59 | Discovery Oil LTD | Los Angeles, CA 90067 | Oil & Gas Operator | Jan 1993 |
60 | DNR Oil And Gas, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Oct 2024 |
61 | Dol Resources Inc | Rowlett, TX 75088 | Oil & Gas Operator | Nov 2024 |
62 | Earthstone Energy, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2017 |
63 | Eason Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2012 |
64 | Eex Corporation | Houston, TX 77060 | Oil & Gas Operator | Feb 2000 |
65 | Ellwood Exploration LLC | San Antonio, TX 78217 | Oil Operator | Oct 2024 |
66 | Empire Petroleum Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Dec 2005 |
67 | Energas Corporation | Oklahoma City, OK 73105-6422 | Oil & Gas Operator | Jul 2024 |
68 | Energy Reserves Group | Houston, TX 770563020 | Oil & Gas Operator | Apr 1996 |
69 | EOG Y Resources Inc | Artesia, NM 88210 | Oil & Gas Operator | Feb 2019 |
70 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
71 | Equitable Resources Energy Company | Big Stone Gap, VA 24219 | Oil & Gas Operator | Dec 1997 |
72 | Evergreen Operating Company | Denver, CO 80202 | Oil & Gas Operator | Apr 1996 |
73 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Sep 2024 |
74 | Fancher Oil LLC | Greenwood, CO 80111 | Oil & Gas Operator | Nov 2006 |
75 | Farnsworth & Kaiser Oil Company | Newcastle, WY 82701 | Oil & Gas Operator | Sep 2012 |
76 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Dec 2024 |
77 | Flag-Redfern Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Jul 2002 |
78 | Flying J Oil & Gas Inc | North Salt Lake, UT 84054 | Oil & Gas Operator | Dec 2009 |
79 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
80 | Fossil Creek Resources LLC | Arlington, TX 76011-5597 | Oil & Gas Operator | Mar 2015 |
81 | Fossil Energy Inc | Austin, TX 78746 | Oil & Gas Operator | Dec 2024 |
82 | G & H Production Company LLC | Denver, CO 80202 | Oil Operator | Jan 2008 |
83 | General Oil Company, Inc. | Wichita, KS 67213 | Oil & Gas Operator | Dec 2024 |
84 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
85 | Gibson J W | | Oil & Gas Operator | Sep 1999 |
86 | GKM Inc | | Oil & Gas Operator | Mar 1990 |
87 | GLG Energy LP | Austin, TX 78701 | Oil & Gas Operator | Jun 1994 |
88 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
89 | Great Northern Drilling Company | Billings, MT 59103 | Oil & Gas Operator | Jun 2016 |
90 | Hadley/Jackson Energy LLC | Lake Forest, IL 60045 | Oil & Gas Operator | Oct 2024 |
91 | Harper Oil Co. | Denver, CO 80217 | Oil & Gas Operator | Aug 2024 |
92 | Hedges Spencer | Casper, WY 82604 | Oil Operator | Mar 2024 |
93 | Hoff Elmer & Mildred | | Oil & Gas Operator | Jan 1991 |
94 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | Dec 2024 |
95 | Hondo Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Oct 1995 |
96 | Inexco Oil Company | Houston, TX 77210 | Oil & Gas Operator | Mar 2013 |
97 | Intercontinental Petroleum | | Oil Operator | Oct 2012 |
98 | Interline Resources Corp | Casper, WY 82601 | Oil & Gas Operator | Oct 2009 |
99 | Jims Water Service Inc | Gillette, WY 82717 | Oil & Gas Operator | Oct 2016 |
100 | Joemar Wyoming Operating LLC | | Oil & Gas Operator | Oct 2024 |