1 | 84 Energy LLC | Flatonia, TX 78941 | Oil & Gas Operator | Dec 2024 |
2 | Activa Resources, LLC | San Antonio, TX 78205 | Oil & Gas Operator | Dec 2024 |
3 | Allar Co., The | Graham, TX 76450 | Oil & Gas Operator | Dec 2004 |
4 | Alpine Exploration Co, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Nov 2017 |
5 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Aug 2013 |
6 | American Coastal Energy, Inc. | Houston, TX 77225 | Oil & Gas Operator | May 2008 |
7 | American Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2003 |
8 | Americo Energy Resources, LLC | Houston, TX 77063 | Oil & Gas Operator | Dec 2024 |
9 | Aminex USA, Inc. | Somerset, TX 78069 | Oil & Gas Operator | May 2018 |
10 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
11 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Sep 2024 |
12 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
13 | Aries Operating LP | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
14 | Arista Novelty, Inc. | Houston, TX 77256 | Oil & Gas Operator | Feb 1995 |
15 | Aroc (Texas) Inc | Houston, TX 77090 | Oil & Gas Operator | Dec 2014 |
16 | Aspect Energy, LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
17 | Aspect Resources LLC | Denver, CO 80202 | Oil & Gas Operator | May 2002 |
18 | Aspen Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2012 |
19 | Atoka Operating, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Dec 2024 |
20 | Austral Oil Company Incorporated | Sulphur, LA 70663 | Oil & Gas Operator | Mar 2008 |
21 | Azimuth Energy, LLC | Denver, CO 80203 | Oil & Gas Operator | Sep 2006 |
22 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
23 | Benchmark Oil & Gas Co. | Houston, TX 77282 | Oil & Gas Operator | Dec 2024 |
24 | Bend Petroleum Corp | Muenster, TX 76252 | Oil & Gas Operator | Nov 2023 |
25 | Bison Energy Partners, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2001 |
26 | Bison Energy Partners, LTD. | Houston, TX 77060 | Oil & Gas Operator | Apr 2002 |
27 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
28 | Brammer Engineering, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2024 |
29 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
30 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
31 | Brooklyn Union Explor. Co., Inc. | Houston, TX 77010 | Oil & Gas Operator | Jan 1994 |
32 | Brown, Geo. R Partnership,LP,The | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
33 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
34 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2024 |
35 | Cameron, Paul E., Jr., Inc. | Montgomery, TX 77356 | Oil & Gas Operator | May 2015 |
36 | Carbon Oil Inc | Vidor, TX 77670 | Oil & Gas Operator | Dec 2024 |
37 | Caskids Operating Company | Houston, TX 77027 | Oil & Gas Operator | Dec 2024 |
38 | Cathexis Oil & Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2014 |
39 | CBN Operating Corp. | Austin, TX 78746 | Oil & Gas Operator | Dec 2024 |
40 | Century Exploration Houston, Inc | The Woodlands, TX 77380 | Oil & Gas Operator | Oct 2011 |
41 | Century Exploration Houston, LLC | Austin, TX 78702 | Oil & Gas Operator | Jan 2016 |
42 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
43 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2024 |
44 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |
45 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
46 | Choice Exploration, Inc. | Irving, TX 75063 | Oil & Gas Operator | Dec 2024 |
47 | Chroma Operating, Inc. | Washington, DC 20036 | Oil & Gas Operator | Jun 2016 |
48 | Cimarron Engineering, LLC | Kingsville, TX 78364 | Oil & Gas Operator | Dec 2024 |
49 | Clay Exploration, Inc. | Spring, TX 77387 | Oil & Gas Operator | Jun 2019 |
50 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
51 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
52 | Coastal Plains Exploration, LLC | Port Lavaca, TX 77979 | Oil & Gas Operator | Dec 2024 |
53 | Cokinos, Inc. | Beaumont, TX 77701 | Oil & Gas Operator | Aug 2003 |
54 | Coronado Energy E&P Company, LLC | Houston, TX 77252 | Oil & Gas Operator | Dec 2010 |
55 | Costa Energy, LLC | Irving, TX 75063 | Oil & Gas Operator | Dec 2024 |
56 | Costilla Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
57 | Costilla Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |
58 | Cox & Perkins Exploration, Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
59 | CP Energy LLC | Edmond, OK 73034 | Oil Operator | Oct 2024 |
60 | Csa Exploration Company, Inc. | Houston, TX 77027 | Oil & Gas Operator | Aug 2003 |
61 | D & T Company | Denver, CO 80210 | Oil & Gas Operator | Jun 1983 |
62 | Dartex Energy Corporation | Austin, TX 78746 | Oil & Gas Operator | Dec 2024 |
63 | Daylight Petroleum LLC | Houston, TX 77052 | Oil & Gas Operator | Dec 2024 |
64 | Daystar Operating Company, LLC | Austin, TX 78750 | Oil & Gas Operator | Apr 2008 |
65 | DCP Operating Co LP | Houston, TX 77042 | Oil & Gas Operator | Sep 2024 |
66 | Delfin Operating, LLC | Dallas, TX 75243 | Oil & Gas Operator | Dec 2024 |
67 | Desco Oil Company | Houston, TX 77056 | Oil & Gas Operator | Feb 2017 |
68 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
69 | Dominion Oklahoma Texas E&P, Inc | Richmond, VA 23219 | Oil & Gas Operator | Sep 2018 |
70 | Dreyfus, Louis Natural Gas Corp | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2001 |
71 | Duncan Energy Company | Denver, CO 80202 | Oil & Gas Operator | Mar 2008 |
72 | Duncan Oil Inc | Denver, CO 80210 | Oil & Gas Operator | Jun 2016 |
73 | Dynamic Production, Inc. | Fort Worth, TX 76106 | Oil & Gas Operator | Dec 2024 |
74 | El Paso E&P Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2013 |
75 | Elliott Oil & Gas Company | The Woodlands, TX 77380 | Oil & Gas Operator | Sep 2006 |
76 | Encore Energy, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Mar 2015 |
77 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2023 |
78 | Energy Transfer Crude Marketing LLC | Houston, TX 77002 | Oil Operator | Sep 2024 |
79 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
80 | Enline Operating, L.L.C. | Houston, TX 77019 | Oil & Gas Operator | Jun 1998 |
81 | Enline Resources, LLC | Houston, TX 77254 | Oil & Gas Operator | Feb 1996 |
82 | Enterprise Crude Oil LLC | Oklahoma City, OK 73102 | Oil Operator | Aug 2011 |
83 | Erg Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2015 |
84 | Esenjay Exploration, Inc | Houston, TX 77042 | Oil & Gas Operator | Sep 2024 |
85 | Esenjay Petroleum Corp. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jul 1998 |
86 | Etoco Incorporated | Houston, TX 77002 | Oil & Gas Operator | May 2005 |
87 | Everest Minerals Corp. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 2001 |
88 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
89 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |
90 | F.I.G. Energy, LLC | Livingston, TX 77399 | Oil & Gas Operator | Dec 2024 |
91 | Fairways Exploration & Production, LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
92 | Famcor Oil, Inc. | Scottsdale, AZ 85260 | Oil & Gas Operator | Sep 2020 |
93 | Five-Jab, Inc. | Tomball, TX 77377 | Oil & Gas Operator | Dec 2024 |
94 | Fort Apache Energy, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Dec 2024 |
95 | Forza Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2024 |
96 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Dec 2024 |
97 | Goodrich Oil Company | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2001 |
98 | Great Northern Energy, Inc | Irving, TX 75039 | Oil & Gas Operator | Dec 2024 |
99 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
100 | Greenhill Petroleum Corporation | Houston, TX 77077 | Oil & Gas Operator | Jan 1998 |