1 | G & H Production Company LLC | Denver, CO 80202 | Oil Operator | Jan 2008 |
2 | G & H Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2009 |
3 | Galaxy Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
4 | Gallagher Drilling Inc | Evansville, IN 47730 | Oil Operator | Dec 2020 |
5 | Gallagher T P | Boulder, CO 80303 | Oil Operator | Apr 2019 |
6 | Gary-Williams Production Company | Denver, CO 80202 | Oil & Gas Operator | May 2000 |
7 | Gas Ventures LLC | Thermopolis, WY 82443 | Oil & Gas Operator | Oct 2020 |
8 | Gasamat Oil Corp Of Colorado | Boulder, CO 80303 | Oil Operator | Oct 2024 |
9 | Gasco Production Company | Denver, CO 80237 | Oil & Gas Operator | Dec 2015 |
10 | General American Oil Co Of Texas | | Oil & Gas Operator | Mar 1983 |
11 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
12 | General Crude Oil Co | Houston, TX 77005 | Oil & Gas Operator | Dec 1979 |
13 | General Oil Company, Inc. | Wichita, KS 67213 | Oil & Gas Operator | Dec 2024 |
14 | Genesis Production Company | | Oil & Gas Operator | May 1991 |
15 | Genesis St Operating LLC | Kansas City, MO 64108 | Oil & Gas Operator | Dec 2024 |
16 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
17 | Germany Operating Company | Houston, TX 77090 | Oil & Gas Operator | Sep 2011 |
18 | Getty Oil Company | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
19 | Gibbs William | | Oil Operator | Feb 2000 |
20 | Gibson J W | | Oil & Gas Operator | Sep 1999 |
21 | Gilmore Oil & Gas | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
22 | Girouard Richard L | | Oil Operator | May 1985 |
23 | GKM Inc | | Oil & Gas Operator | Mar 1990 |
24 | Glenmar Company | Monterey, CO 93940 | Oil Operator | Oct 1998 |
25 | GLG Energy LP | Austin, TX 78701 | Oil & Gas Operator | Jun 1994 |
26 | GMT Energy Corporation | Houston, TX 77042 | Oil & Gas Operator | Feb 2005 |
27 | GMT Exploration Company LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2024 |
28 | Golden Energy Partners LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2010 |
29 | Golden Eye Resources LLC | Greenwood VLG, CO 80121 | Oil Operator | Mar 2014 |
30 | Goldmark Engineering Inc | Casper, WY 82602 | Oil & Gas Operator | Oct 2004 |
31 | Goodstein Fred | Casper, WY 82602 | Oil & Gas Operator | Mar 1984 |
32 | Gorman Construction LLC | Gillette, WY 82716 | Oil Operator | Oct 2024 |
33 | Gould Joseph B | Las Vegas, NV 89101 | Oil & Gas Operator | Apr 2001 |
34 | Gpo Operations LLC | Labarge, WY 83123 | Oil & Gas Operator | Aug 2024 |
35 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
36 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
37 | Granite Creek Energy LLC | | Oil & Gas Operator | Sep 2024 |
38 | Grayhorse Operating Inc | Tulsa, OK 74103-4439 | Oil & Gas Operator | Sep 2024 |
39 | Grayling Resources LTD | Lakewood, CO 80235 | Oil & Gas Operator | Jul 2020 |
40 | Grayson Mill Operating, LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
41 | GRB Resources | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2004 |
42 | Great Northern Drilling Company | Billings, MT 59103 | Oil & Gas Operator | Jun 2016 |
43 | Great Northern Gas Company | Denver, CO 80293-0602 | Oil & Gas Operator | Jul 2017 |
44 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
45 | Great Western Oil Company | | Oil & Gas Operator | Dec 1984 |
46 | Great Western Resources Inc | | Oil & Gas Operator | Dec 1989 |
47 | Green Reserve Energy Holdings LLC | Houston, TX 77077 | Oil & Gas Operator | Oct 2024 |
48 | Greenstreet Lloyd | | Oil Operator | Dec 1986 |
49 | Greenwood Resources | | Oil & Gas Operator | Jan 1992 |
50 | Greka Am Inc | Santa Maria, CA 93454 | Oil & Gas Operator | May 2013 |
51 | Grey Hawk Operating LLC | Birmingham, AL 35242 | Oil Operator | Jan 2024 |
52 | Greylock Production LLC | Charleston, WV 25311-1264 | Oil & Gas Operator | Sep 2024 |
53 | Griffiths Oil LLC | Edgerton, WY 82635 | Oil Operator | Sep 2024 |
54 | Grizzly Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Sep 2024 |
55 | GRMR Oil And Gas LLC | Broomfield, CO 80021 | Oil & Gas Operator | Oct 2024 |
56 | Gross Todd | Pine Bluffs, WY 82082 | Oil & Gas Operator | Mar 2007 |
57 | Grynberg Petroleum Company | Greenwood Vge, CO 80111-3326 | Oil & Gas Operator | Oct 2019 |
58 | Grynberg, Jack J. | Denver, CO 80237 | Oil & Gas Operator | Jun 2021 |
59 | Guenthart William & Lavonne | Newcastle, WY 82701 | Oil Operator | Sep 2024 |
60 | Gulf Energy Corporation | Denver, CO 80237 | Oil & Gas Operator | Jun 1987 |
61 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Oct 2024 |
62 | Gulf Oil Corp. | Denver, CO 80201-0599 | Oil & Gas Operator | Dec 2014 |
63 | Gulf Production Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2015 |