1 | Abo Petroleum Corp | Artesia, NM 88210 | Oil & Gas Operator | Jul 1988 |
2 | Adams, Frank B | Corpus Christi, TX 78476 | Oil & Gas Operator | Feb 1988 |
3 | Advantage Resources Inc | Broomfield, CO 80020 | Oil & Gas Operator | Jan 2022 |
4 | Afe Management Limited | Concord, Ontario, L4K 4G4 | Oil & Gas Operator | Sep 1987 |
5 | Alberta Gas Company | Vernal, UT 84078 | Oil & Gas Operator | Nov 2021 |
6 | Albritton Resources Inc | Dallas, TX 75225 | Oil & Gas Operator | Jul 1986 |
7 | Alco Oil & Gas | Lafayette, LA 70130 | Oil & Gas Operator | Dec 1970 |
8 | Alta Energy Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 1995 |
9 | Altamont Energy Operating LLC | Greenwood VIlliage, CO 80111 | Oil & Gas Operator | Mar 2022 |
10 | Amax Petroleum Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2015 |
11 | Ambra Oil & Gas Company | Rangely, CO 81648 | Oil & Gas Operator | Jul 2006 |
12 | American Quasar Petroleum | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 1985 |
13 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
14 | Amoco Rocmount Company | Denver, CO 80201 | Oil & Gas Operator | Jan 1998 |
15 | Amtech Energy Inc | Plymouth, IL 62367-1016 | Oil & Gas Operator | Dec 2017 |
16 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | May 2022 |
17 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Feb 2022 |
18 | Anr Limited Inc/Coastal | Houston, TX 770460995 | Oil & Gas Operator | Dec 1987 |
19 | Anr Production Company | Houston, TX 77046 | Oil & Gas Operator | Sep 2017 |
20 | Anschutz Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 2016 |
21 | Anschutz Exploration Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2022 |
22 | Apache Corporation | Houston, TX 77056 | Oil & Gas Operator | May 2022 |
23 | Apc Operating Partnership | Tulsa, OK 74136 | Oil & Gas Operator | Oct 1996 |
24 | Appaloosa Operating Company LLC | The Woodlands, TX 77387 | Oil & Gas Operator | Apr 2019 |
25 | Arb Energy Utah, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2022 |
26 | Arch Oil And Gas Company | Midland, TX 79702 | Oil & Gas Operator | Feb 1994 |
27 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
28 | Asamera Oil Us Inc | Denver, CO 80201 | Oil & Gas Operator | Jul 1985 |
29 | Ashley Valley Operating Company LLC | Orem, UT 84097 | Oil & Gas Operator | Mar 2022 |
30 | Augustus Energy Partners LLC | Billings, MT 59102 | Oil & Gas Operator | Oct 2013 |
31 | Avad Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | May 2022 |
32 | Aviara Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2002 |
33 | Axia Energy II LLC | HGHLNDS Ranch, CO 80129 | Oil & Gas Operator | Jan 2020 |
34 | Axia Energy LLC | Hghlands Ranch, CO 80129-2258 | Oil & Gas Operator | Jun 2016 |
35 | Aztec Oil Co | | Oil & Gas Operator | Dec 1977 |
36 | B & L Oil And Gas | Loco Hills, NM 88255 | Oil & Gas Operator | Aug 2010 |
37 | Babcock & Brown Energy Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 2007 |
38 | Badger Oil Corporation | Lafayette, LA 70505 | Oil & Gas Operator | Nov 2011 |
39 | Badlands Energy-Utah, LLC | Denver, CO 80237 | Oil & Gas Operator | Feb 2018 |
40 | Badlands Production Company | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Sep 2018 |
41 | Bainbridge Uinta LLC | Dallas, TX 75206 | Oil & Gas Operator | May 2021 |
42 | Ballard Petroleum LLC | Billings, MT 59102 | Oil & Gas Operator | Dec 2001 |
43 | Bar Mesa Resources Inc | Roosevelt, UT 84066 | Oil & Gas Operator | Sep 2012 |
44 | Barrett Resources Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2009 |
45 | Basf Corporation | Houston, TX 77027 | Oil & Gas Operator | Nov 1992 |
46 | Bayless Robert L Producer | Denver, CO 80293 | Oil & Gas Operator | Sep 2003 |
47 | Beard, J / McIlnay & Assoc | Casper, WY 82604 | Oil & Gas Operator | Aug 1996 |
48 | Beartooth Oil & Gas Company | Billings, MT 59103 | Oil & Gas Operator | Mar 2022 |
49 | Belco Development Corp | Vernal, UT 84078 | Oil & Gas Operator | Jul 1989 |
50 | Belco Petroleum Corp | Grand Junction, CO | Oil & Gas Operator | Dec 1983 |
51 | Belnorth Petroleum Corp | Vernal, UT 84078 | Oil & Gas Operator | Oct 1987 |
52 | Benson-Montin-Greer DRL | Farmington, NM 87402 | Oil & Gas Operator | Mar 2022 |
53 | Berry Petroleum Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2014 |
54 | Berry Petroleum Company LLC | Bakersfield, CA 93311 | Oil & Gas Operator | Mar 2022 |
55 | BHP Petroleum (Americas) | Houston, TX 77056-3020 | Oil & Gas Operator | Mar 1993 |
56 | BHP Petroleum Company Inc | Houston, TX 77057 | Oil & Gas Operator | Nov 2004 |
57 | Bill Barrett Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
58 | Birch Corporation | Denver, CO 80217 | Oil & Gas Operator | Dec 1989 |
59 | Bishop Petroleum Corp | Arvada, CO 80002 | Oil & Gas Operator | Oct 1993 |
60 | Blue Tip Castlegate, Inc | Erie, KS 66733 | Gas Operator | Jun 2016 |
61 | Boardwalk Petroleum Inc | | Oil & Gas Operator | Dec 1983 |
62 | Bog Inc (Bowers) | Grand Junction, CO 81502 | Oil & Gas Operator | Jan 1989 |
63 | Bonneville Fuels Corp | Denver, CO 80290 | Oil & Gas Operator | Jun 2002 |
64 | Bow Valley Petroleum Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 1996 |
65 | Bowers Oil & Gas, Inc. | Grand Junction, CO 81505-1097 | Oil & Gas Operator | Mar 2022 |
66 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Feb 2022 |
67 | Bridge Oil Company, L. P. | Midland, TX 79702 | Oil & Gas Operator | May 1995 |
68 | Brinkerhoff Drilling Co | | Oil & Gas Operator | Jul 1975 |
69 | Broadhead, Walter | Grand Junction, CO 81502 | Oil & Gas Operator | Mar 2005 |
70 | Bta Oil Producers | Midland, TX 79701 | Oil & Gas Operator | Sep 2009 |
71 | Buckhorn Petroleum | | Oil & Gas Operator | Dec 1983 |
72 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
73 | Burr Oil & Gas | Farmington, NM 87499 | Oil & Gas Operator | Feb 2000 |
74 | Burton/Hawks Inc | Casper, WY 82602 | Oil & Gas Operator | Sep 1993 |
75 | Buttes Gas & Oil Co | | Oil & Gas Operator | Dec 2009 |
76 | Buzzards Bench, LLC | Orangeville, UT 84537 | Gas Operator | Mar 2022 |
77 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
78 | C & K Petroleum Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 1984 |
79 | C C Co | Holladay, UT 84124 | Oil & Gas Operator | Dec 2019 |
80 | Caerus Uinta, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2022 |
81 | California Oil Co | | Oil & Gas Operator | Aug 1965 |
82 | Campbell, G S | Park City, UT 84060 | Oil & Gas Operator | Apr 1991 |
83 | Cannon | Rock Springs, WY 82902 | Oil Operator | Mar 2022 |
84 | Cap Energy LLC | Greeley, CO 80634 | Oil & Gas Operator | Aug 2019 |
85 | Capitol Operating Group, LLC | Lafayette, LA 70503-5334 | Oil & Gas Operator | Feb 2022 |
86 | Carbon Energy Corporation (USA) | Denver, CO 80290 | Oil & Gas Operator | Jul 2004 |
87 | Carter Oil Co | | Oil & Gas Operator | Dec 2013 |
88 | Celsius Energy Company | Denver, CO 80202-1558 | Oil & Gas Operator | Mar 2000 |
89 | Central Resources, Inc. | Denver, CO 80203 | Oil & Gas Operator | Jan 2022 |
90 | Champlin Petroleum Co. | Rock Springs, WY 82902 | Oil & Gas Operator | Mar 1991 |
91 | Chandler & Associated Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 1999 |
92 | Chevron Oil Company | | Oil & Gas Operator | Dec 1983 |
93 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | May 2022 |
94 | Cig Exploration, Inc. | Houston, TX 77046 | Oil & Gas Operator | Feb 1997 |
95 | Cimarex Energy Co. | Midland, TX 79701 | Oil & Gas Operator | May 2022 |
96 | Cisco Expro LLC | Park City, UT 84098-5178 | Oil & Gas Operator | Nov 2009 |
97 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | May 2022 |
98 | Cities Serv Oil & Gas Corp | Oklahoma City, OK 73112 | Oil & Gas Operator | Sep 1964 |
99 | Clayton Investment | Farmington, NM 87401 | Oil & Gas Operator | Jun 1995 |
100 | Clinton Oil Company | | Oil & Gas Operator | Apr 1980 |