1 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
2 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Sep 2024 |
3 | Anschutz Exploration Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
4 | Avad Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Dec 2024 |
5 | Bill Barrett Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
6 | Bow Valley Petroleum Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 1996 |
7 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
8 | Buzzards Bench, LLC | Orangeville, UT 84537 | Gas Operator | Sep 2024 |
9 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
10 | Celsius Energy Company | Denver, CO 80202-1558 | Oil & Gas Operator | Mar 2000 |
11 | Chandler & Associated Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 1999 |
12 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
13 | Cities Serv Oil & Gas Corp | Oklahoma City, OK 73112 | Oil & Gas Operator | Sep 1964 |
14 | Coastal Plains Energy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2024 |
15 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
16 | Cordillera Corporation | Denver, CO 80237 | Oil & Gas Operator | Feb 1996 |
17 | Delhi-Taylor Oil Corp | | Oil & Gas Operator | Dec 1974 |
18 | Edward Mike Davis | Las Vegas, NV 89107 | Oil & Gas Operator | Feb 2003 |
19 | Emery Resource Holdings LLC | Scottsdale, AZ 85260 | Gas Operator | Nov 2024 |
20 | Energetics Inc | Englewood, CO 80155 | Oil & Gas Operator | Aug 1985 |
21 | Equity Oil Company | Salt Lake City, UT 84110-095 | Oil & Gas Operator | Aug 2004 |
22 | Fellows Energy LTD | Price, UT 84501-2016 | Gas Operator | Sep 2007 |
23 | Gas Producing Enterprises | Houston, TX 77046 | Oil & Gas Operator | Dec 1983 |
24 | Gulf Oil Corp. | Denver, CO 80201-0599 | Oil & Gas Operator | Dec 2014 |
25 | Iacx Energy LLC | Dallas, TX 75240 | Oil & Gas Operator | Oct 2024 |
26 | Marion Energy Inc | Houston, TX 770082292 | Oil & Gas Operator | May 2015 |
27 | McAdams, J F | | Oil Operator | May 1971 |
28 | Megadon Enterprises, Inc | Salt Lake City, UT 84121 | Oil Operator | Sep 2019 |
29 | Meridian Oil Inc. | Houston, TX 77210 | Oil & Gas Operator | Aug 1996 |
30 | Merit Energy Company | Dallas, TX 75240 | Oil & Gas Operator | Dec 2024 |
31 | Merrion Oil & Gas Corp | Farmington, NM 87401 | Oil & Gas Operator | Oct 2024 |
32 | Mountain Fuel Supply Co | Salt Lake City, UT 84139 | Oil & Gas Operator | May 1984 |
33 | Mountain Resource Corporation | Salt Lake City, UT 84124 | Oil & Gas Operator | Dec 1988 |
34 | Pacific Natural Gas Explor | | Oil & Gas Operator | Dec 1974 |
35 | Pan American Petroleum Cor | | Oil & Gas Operator | Dec 1981 |
36 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
37 | Presidio Exploration, Inc. | Englewood, CO 80155 | Oil & Gas Operator | May 1999 |
38 | Pride Ventures LLC | Moab, UT 84532 | Oil & Gas Operator | Sep 2024 |
39 | Questar Energy Company | Salt Lake C Ity, UT 84147 | Gas Operator | May 1991 |
40 | Questar Expl. And Prod. Co. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jul 2011 |
41 | Quintana Petroleum Corporation | Denver, CO 80265 | Oil & Gas Operator | Mar 1998 |
42 | River Gas Corporation | Tuscaloosa, AL 35406-2233 | Gas Operator | Dec 2000 |
43 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
44 | Savoy Energy, LLC | Ephraim, UT 84627 | Gas Operator | Nov 2024 |
45 | Seeley Oil Company, LLC | Cortez, CO 81321 | Oil & Gas Operator | Oct 2024 |
46 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Dec 2014 |
47 | Skyline Oil Company | Salt Lake City, UT 84111 | Oil & Gas Operator | Jan 1987 |
48 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
49 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
50 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Sep 2024 |
51 | Texaco E & P Inc | Houston, TX 77099 | Oil & Gas Operator | Dec 2024 |
52 | Texas Eastern Skyline Oil | Houston, TX 77252 | Oil & Gas Operator | Jan 1987 |
53 | Three States Natural Gas | | Oil & Gas Operator | Mar 1976 |
54 | Toledo Mining Co | Irving, TX 75061 | Oil Operator | Dec 1989 |
55 | Tom Brown Inc | Denver, CO 80202 | Oil & Gas Operator | Dec 2004 |
56 | Triangle Development Co | Mahtomedi, MN 55115 | Gas Operator | Feb 1982 |
57 | Union Texas Petroleum | Houston, TX 77252 | Oil & Gas Operator | Oct 1991 |
58 | Universal Resources Corp. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jan 2000 |
59 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Dec 2024 |
60 | Us Oil & Gas Inc | Marietta, OH 45750 | Oil & Gas Operator | Oct 2024 |
61 | Vortt Exploration Company, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2019 |
62 | Wexpro Company | Rock Springs, WY 82902-0458 | Oil & Gas Operator | Oct 2024 |
63 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
64 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |