1 | Alltex Exploration, Inc. | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
2 | Amerac Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2013 |
3 | Anadarko E&P Company LP | Houston, TX 77251 | Oil & Gas Operator | Aug 2014 |
4 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
5 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
6 | Aroc (Texas) Inc | Houston, TX 77090 | Oil & Gas Operator | Dec 2014 |
7 | Arrco Operating, LLC | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Dec 2024 |
8 | Ashtola Exploration Company,Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Dec 2024 |
9 | Atapco | Houston, TX 77040 | Oil & Gas Operator | Feb 1999 |
10 | Barrett Brothers Oil And Gas | San Antonio, TX 78217 | Oil & Gas Operator | Mar 1995 |
11 | Baylor Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2024 |
12 | Bellows Operating Co., L. C. | Goliad, TX 77963 | Oil & Gas Operator | Dec 2024 |
13 | Beta Oil Corporation | San Antonio, TX 78232 | Oil & Gas Operator | Dec 2024 |
14 | Big Shell Oil & Gas, Inc. | Taft, TX 78390 | Oil & Gas Operator | Dec 2024 |
15 | Billington Oil & Gas, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2024 |
16 | Blackbrush O & G, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Apr 2012 |
17 | Blackbrush O & G, LLC | San Antonio, TX 78259 | Oil & Gas Operator | Dec 2024 |
18 | Blue Star Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2024 |
19 | Botasch Operating, LLC | Dilley, TX 78017 | Oil & Gas Operator | Dec 2024 |
20 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
21 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
22 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
23 | Brown, John Oil Co. | Eagle Pass, TX 78852 | Oil & Gas Operator | Dec 2024 |
24 | Bruington Operating, L.L.C. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2015 |
25 | Camelot Oil And Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2003 |
26 | Central Mineral Operating Co,Inc | San Antonio, TX 78216 | Oil & Gas Operator | Apr 1997 |
27 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2024 |
28 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |
29 | Cheyenne Minerals, Inc. | Houston, TX 77030 | Oil & Gas Operator | Jun 2001 |
30 | Chittim Operating LLC | Houston, TX 77079 | Oil & Gas Operator | Dec 2024 |
31 | Clark, John M. | Midland, TX 79701 | Oil & Gas Operator | Dec 1993 |
32 | CML Exploration, LLC | Austin, TX 78746 | Oil & Gas Operator | Dec 2024 |
33 | CMR Energy, L.P. | Houston, TX 77077 | Oil & Gas Operator | Dec 2024 |
34 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2024 |
35 | Comanche Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Jan 2006 |
36 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
37 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
38 | Continental Operating Co. | Houston, TX 77024 | Oil & Gas Operator | Dec 2024 |
39 | Conway Energy Oper Services Inc. | San Diego, TX 78384 | Oil & Gas Operator | Dec 2024 |
40 | Cornerstone E & P Company, LP | Irving, TX 75038 | Oil & Gas Operator | Nov 2010 |
41 | Dao Oil And Gas | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Dec 2024 |
42 | Dolphin Petroleum | Alice, TX 78333 | Oil & Gas Operator | Jun 2008 |
43 | Dolphin Petroleum, LP | Alice, TX 78333 | Oil & Gas Operator | Dec 2024 |
44 | Dorado Oil Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 2014 |
45 | Dynamic Production, Inc. | Fort Worth, TX 76106 | Oil & Gas Operator | Dec 2024 |
46 | Edco Energy, Inc. | Austin, TX 78738 | Oil & Gas Operator | May 2003 |
47 | El Indio Energy LLC | Austin, TX 78746 | Oil Operator | Dec 2024 |
48 | El Toro Resources LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2024 |
49 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
50 | Endeavor Natural Gas, LP | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
51 | Enre Corp. | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2005 |
52 | Enron Oil & Gas Company | Houston, TX 77210 | Oil & Gas Operator | Dec 1999 |
53 | Esco Oil Operating Company LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
54 | Espada Operating LLC | San Antonio, TX 78209 | Oil Operator | Dec 2024 |
55 | Et Gathering & Processing LLC | San Antonio, TX 78258 | Oil Operator | Jun 2024 |
56 | European-Southwest Co. | Houston, TX 77254 | Oil & Gas Operator | Dec 2024 |
57 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Sep 2024 |
58 | Exploration Company, The | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2010 |
59 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
60 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |
61 | Field Petroleum Corp. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 2024 |
62 | Flint Interests, LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
63 | Flying W Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2024 |
64 | Garza Oil & Gas LLC | Quemado, TX 78877 | Oil Operator | Dec 2024 |
65 | Gas Resources, Inc. | Southern Pine, NC 28387 | Oil & Gas Operator | Mar 2004 |
66 | Gasper Rice Resources, LTD. | Houston, TX 77068 | Oil & Gas Operator | Dec 2024 |
67 | Gei Management Co., Inc. | Houston, TX 77024 | Oil & Gas Operator | Sep 1993 |
68 | Genesis Producing Company | Houston, TX 77024 | Oil & Gas Operator | Oct 2007 |
69 | GLG Energy LP | Austin, TX 78701 | Oil & Gas Operator | Jun 1994 |
70 | Goldking Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
71 | Grit Oil & Gas Management, LLC | Houston, TX 77055 | Oil & Gas Operator | Dec 2024 |
72 | Gulfmark Energy Inc | Houston, TX 77027 | Gas Operator | Apr 2023 |
73 | H & M Resources LLC | Dallas, TX 75225 | Oil & Gas Operator | Dec 2024 |
74 | Hawn Brothers | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2003 |
75 | HK Energy Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2023 |
76 | Hollimon Oil Corporation | Castroville, TX 78009 | Oil & Gas Operator | Nov 2016 |
77 | Hopkins Engineering, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 1996 |
78 | Horizon Energy | Vergas, MN 56587 | Oil & Gas Operator | Dec 2024 |
79 | Houghton Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2009 |
80 | Hughes, Dan A. Company | Beeville, TX 78104 | Oil & Gas Operator | May 2006 |
81 | Hughes, Dan A. Company, L.P. | Beeville, TX 78104 | Oil & Gas Operator | Dec 2024 |
82 | Hulsey Oil Company | Dallas, TX 75205 | Oil & Gas Operator | Aug 1999 |
83 | Iwt Energy Partners LLC | Austin, TX 78731 | Oil Operator | Dec 2024 |
84 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | Dec 2024 |
85 | Javelin Energy Partners Management, LLC | Irving, TX 75038 | Oil & Gas Operator | Dec 2024 |
86 | Joint Resources Company | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2024 |
87 | K.M.A. Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
88 | Kathler Oil Interests | Frisco, TX 75034 | Oil & Gas Operator | Dec 2024 |
89 | KP Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 1997 |
90 | Kremco Oil LLC | Wichita Falls, TX 76308 | Oil Operator | Dec 2024 |
91 | Maverick Mudlogging | Eagle Pass, TX 78852 | Oil Operator | Dec 2024 |
92 | Maverick Properties, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Sep 1994 |
93 | Mesa Chica Corp. | San Antonio, TX 78278 | Oil & Gas Operator | May 2018 |
94 | Metis Energy LLC | Friendswood, TX 77546 | Oil & Gas Operator | Dec 2024 |
95 | Mission River Systems, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2024 |
96 | MJM Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
97 | More Texas Oil | Von Ormy, TX 78073 | Oil & Gas Operator | Dec 2024 |
98 | Morrow Resources, Inc. | San Angelo, TX 76904 | Oil & Gas Operator | Oct 2004 |
99 | Newfield Exploration Company | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2017 |
100 | Osborne Oil Co. | Dallas, TX 75244 | Oil & Gas Operator | Aug 2003 |