1 | 39 Crude, L.C. | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
2 | Ableready, Inc. | Houston, TX 77269 | Oil & Gas Operator | Dec 2024 |
3 | Acock Operating Limited | San Antonio, TX 78270 | Oil & Gas Operator | Dec 2024 |
4 | Acock/Anaqua Operating Co., LP | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
5 | Allegiant Resources, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Dec 2024 |
6 | Allegro Investments, Inc. | Victoria, TX 77903 | Oil & Gas Operator | Nov 2020 |
7 | Allen, Mabel F. | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Jul 2002 |
8 | Alta Mesa Services, LP | Houston, TX 77084 | Oil & Gas Operator | Dec 2024 |
9 | Altalay STX LLC | San Juan, PR 00968 | Oil & Gas Operator | Dec 2024 |
10 | American Shoreline, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
11 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
12 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Sep 2024 |
13 | Anaqua Oil & Gas, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2008 |
14 | Anderson Producing, Inc. | Houston, TX 77057 | Oil & Gas Operator | Sep 2013 |
15 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
16 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
17 | Asher Resources | Boerne, TX 78006 | Oil & Gas Operator | May 2015 |
18 | Aspen Exploration, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2012 |
19 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
20 | Battlecat Oil & Gas, LLC | Houston, TX 77082 | Oil & Gas Operator | Jul 2017 |
21 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2024 |
22 | Blair Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
23 | Bluestone Natural Res. II, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2019 |
24 | Bluestone Natural Resources, LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2015 |
25 | Bommer Engineering Co. | San Antonio, TX 78260 | Oil & Gas Operator | Dec 2024 |
26 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
27 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Dec 2024 |
28 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
29 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2024 |
30 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
31 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
32 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Dec 2024 |
33 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
34 | Burns Production Corporation | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
35 | C & G Operating, LLC | San Antonio, TX 78209 | Oil Operator | Dec 2024 |
36 | Camden Oil & Gas, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Dec 2005 |
37 | Carter Exploration Company | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Feb 2015 |
38 | Cavalier Oil & Gas, Inc. | Buchanan Dam, TX 78609 | Oil & Gas Operator | Dec 2024 |
39 | CB Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Nov 2017 |
40 | Ceniza Petroleum, Inc. | Portland, TX 78374 | Oil & Gas Operator | Dec 2024 |
41 | Central Gulf Petroleum Inc | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2024 |
42 | Century Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
43 | Cet Energy Corporation | Spring, TX 77391 | Oil & Gas Operator | Nov 2003 |
44 | Charro Operating LLC | Englewood, CO 80112 | Oil & Gas Operator | Dec 2024 |
45 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2024 |
46 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |
47 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
48 | Choctaw II Oil & Gas, LTD. | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |
49 | Cimarron Engineering, LLC | Kingsville, TX 78364 | Oil & Gas Operator | Dec 2024 |
50 | CLS Interests, Incorporated | Austin, TX 78734 | Oil & Gas Operator | Jan 1997 |
51 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
52 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
53 | Coastline Exploration, Inc. | Stafford, TX 77477 | Oil & Gas Operator | Dec 2024 |
54 | Coates Energy Trust | San Antonio, TX 78209 | Oil & Gas Operator | Aug 2008 |
55 | Cody Energy LLC | Houston, TX 77024 | Oil & Gas Operator | Jun 2020 |
56 | Cody Energy, Inc. | Houston, TX 77077 | Oil & Gas Operator | Oct 2024 |
57 | Columbus Energy, LLC | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
58 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
59 | Corpus Christi Leaseholds, Inc. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Sep 1996 |
60 | Cotton, W. L. | Hebbronville, TX 78361 | Oil & Gas Operator | Mar 1996 |
61 | Cotton, W.L. Gems & Minerals LTD | Hebbronville, TX 78361 | Oil & Gas Operator | May 2000 |
62 | Cox & Perkins Exploration, Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
63 | Cox, Martin Regan | Irving, TX 75014 | Oil & Gas Operator | Dec 2024 |
64 | Crawford Energy Operating Co | Houston, TX 77056 | Oil & Gas Operator | Aug 2008 |
65 | Credo Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jan 2013 |
66 | Crystal Oil Company | Shreveport, LA 71120 | Oil & Gas Operator | Jul 1995 |
67 | D. O. G. Operating, LLC | Port Aransas, TX 78373 | Oil & Gas Operator | Dec 2024 |
68 | Dakota Oil Company | Hebbronville, TX 78361 | Oil & Gas Operator | Dec 2024 |
69 | Dale Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Dec 2024 |
70 | Dao Oil And Gas | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Dec 2024 |
71 | De La Torre Oil & Gas, Inc | McAllen, TX 78501 | Oil & Gas Operator | Dec 2024 |
72 | Dewbre Petroleum Corporation | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Dec 2024 |
73 | Dinero Oil Corporation | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Nov 1999 |
74 | Discorbis Oil Company | San Antonio, TX 78217 | Oil & Gas Operator | Jul 2019 |
75 | Dolphin Petroleum | Alice, TX 78333 | Oil & Gas Operator | Jun 2008 |
76 | Dolphin Petroleum, LP | Alice, TX 78333 | Oil & Gas Operator | Dec 2024 |
77 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
78 | Dorado Oil Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 2014 |
79 | E.G.L. Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2024 |
80 | Eagle Energy Resources, LLC | La Porte, TX 77571 | Oil & Gas Operator | Dec 2024 |
81 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2024 |
82 | Edge Petroleum Oper. Co., Inc. | Houston, TX 77042 | Oil & Gas Operator | Nov 2010 |
83 | Ellsworth, H. P. O&G Properties | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Dec 2024 |
84 | En Geo, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Dec 2024 |
85 | Encino Exploration, Inc. | George West, TX 78022 | Oil & Gas Operator | Dec 2024 |
86 | Endeavor Natural Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2015 |
87 | Energy 2000, Inc. | Reno, NV 89501 | Oil & Gas Operator | Dec 2024 |
88 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2023 |
89 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
90 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
91 | Erin Oil Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2024 |
92 | Escoba Royalty Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2005 |
93 | Escudo Oil & Gas, LLC | Houston, TX 77006 | Oil & Gas Operator | Dec 2024 |
94 | Esenjay Petroleum Corp. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jul 1998 |
95 | Etc Texas Pipeline, LTD. | San Antonio, TX 78258 | Oil Operator | Sep 2023 |
96 | Evantech Energy Corp. | Fort Worth, TX 76120 | Oil & Gas Operator | Apr 1995 |
97 | Everest Resource Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 2024 |
98 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
99 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |
100 | Fanion Production Co. | San Antonio, TX 78212 | Oil & Gas Operator | Oct 1997 |