1 | Nadel And Gussman Rockies, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2012 |
2 | Nance Petroleum Corporation | Billings, MT 59103-7168 | Oil & Gas Operator | Nov 2007 |
3 | Nanke Energy LLC | Westminster, CO 80234 | Oil & Gas Operator | Sep 2024 |
4 | National Energy Group Inc | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
5 | National Fuel Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Sep 2024 |
6 | National Oil Company | Garden City, KS 67846 | Oil & Gas Operator | Jun 2024 |
7 | National Pride Operating | Parker, CO 80134 | Oil & Gas Operator | Dec 2017 |
8 | National Treasure Mines | San Marina, CA 91118 | Oil Operator | Dec 1998 |
9 | Natomas North America Inc | | Oil & Gas Operator | Aug 1993 |
10 | Natrona County Holdings LLC | Austin, TX 78701 | Oil & Gas Operator | Nov 2020 |
11 | Natural Gas Corp Of California | Vernal, UT 84078 | Oil & Gas Operator | Dec 1989 |
12 | Natural Gas Processing Company | Worland, WY 82401 | Oil & Gas Operator | Oct 2024 |
13 | Natural Resource Corporation | Rock Springs, WY 82901 | Oil & Gas Operator | Sep 1983 |
14 | Nautilus Exploration LLC | Denver, CO 80218 | Oil Operator | Mar 2011 |
15 | Navigation Powder River LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
16 | Nearburg Producing Company | Dallas, TX 75380 | Oil & Gas Operator | Dec 2024 |
17 | Nella Company LTD | | Oil Operator | Dec 1986 |
18 | Nepeco | Byron, WY 82412 | Oil Operator | Oct 2024 |
19 | New Era Oil/Preferred Energy | | Oil & Gas Operator | Sep 1993 |
20 | New Era Petroleum Inc | Sheridan, WY 82801 | Oil Operator | Sep 2024 |
21 | New Horizon Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
22 | Neward Corporation | FT. Worth, TX 76102 | Oil & Gas Operator | Dec 1997 |
23 | Newcastle Oil & Gas Inc | | Oil Operator | Dec 1988 |
24 | Newfield Production Company | The Woodlands, TX 77380-2764 | Oil & Gas Operator | Jul 2022 |
25 | Newman Bros Drilling | | Oil & Gas Operator | Apr 2004 |
26 | Newport Gas Partners LLC | Gillette, WY 82716 | Oil & Gas Operator | Apr 2024 |
27 | Newport Oil Corporation | Clearwater, FL 33755 | Oil & Gas Operator | Jul 2011 |
28 | Newton Steve Drilling | Worland, WY 82401 | Oil Operator | Apr 2001 |
29 | Newwoods Petroleum LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2016 |
30 | Nextraction Energy Us Inc | Las Vegas, NV 89169 | Oil & Gas Operator | Feb 2018 |
31 | Nicolaysen G G Jr | | Oil & Gas Operator | Dec 1995 |
32 | Nicor Exploration | | Oil Operator | Jul 1993 |
33 | Nicor Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Jun 1993 |
34 | Nielson & Associates Inc | Cody, WY 82414 | Oil & Gas Operator | Feb 2016 |
35 | Nielson Capital Partners LLC | Cody, WY 82414 | Oil & Gas Operator | Dec 2014 |
36 | Noarko Resources | | Oil & Gas Operator | Mar 1990 |
37 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
38 | Nonsuch Natural Gas Inc | Naples, FL 34108 | Oil & Gas Operator | Oct 2024 |
39 | Nor-Am Exploration | | Oil Operator | Jun 1981 |
40 | Norcen Energy Inc | | Oil Operator | Dec 1989 |
41 | Nordstrand Engineering Inc | Houston, TX 77019 | Oil & Gas Operator | Dec 2024 |
42 | Nortex Gas & Oil Co | Tulsa, OK 74135 | Oil & Gas Operator | Sep 1993 |
43 | North Central Oil Corp. | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |
44 | North Finn LLC | Casper, WY 82605 | Oil & Gas Operator | Sep 2024 |
45 | North Shore Exploration & Production, LLC | Broomfield, CO 80021 | Oil & Gas Operator | Sep 2024 |
46 | North Silo Resources LLC | Houston, TX 77055 | Oil & Gas Operator | Sep 2024 |
47 | Northern Michigan Expl Co | | Oil & Gas Operator | Jul 1990 |
48 | Northern Production Co | Gillette, WY 82717 | Oil & Gas Operator | Apr 2013 |
49 | Northern Pump Company | Denver, CO 80202-3130 | Oil & Gas Operator | Feb 2006 |
50 | Northstar Operating Company | Midland, TX 79702 | Oil & Gas Operator | Jun 2024 |
51 | Northstar Operating Company Of Texas | Midland, TX 79702 | Oil & Gas Operator | Feb 2008 |
52 | Northwest Energy LLC | Buffalo, WY 82834 | Gas Operator | Jan 2010 |
53 | Northwest Exploration | | Oil & Gas Operator | Dec 1984 |
54 | Norton Frickey | Lakewood, CO 80215 | Oil & Gas Operator | Dec 2023 |
55 | Nova Energy Inc | Casper, WY 82601 | Oil & Gas Operator | Oct 2020 |
56 | Nova Petroleum Cororation | | Oil & Gas Operator | Mar 1987 |
57 | Nucor Oil & Gas Inc | Riverton, WY 82501 | Oil & Gas Operator | Sep 2024 |