1 | Acock Operating Limited | San Antonio, TX 78270 | Oil & Gas Operator | Apr 2024 |
2 | Acock/Anaqua Operating Co., LC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2004 |
3 | Acock/Anaqua Operating Co., LP | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
4 | Alegre Energy, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Apr 2024 |
5 | Altalay STX LLC | San Juan, PR 00968 | Oil & Gas Operator | Apr 2024 |
6 | Alyndson Oil & Gas Inc. | Alice, TX 78333 | Oil & Gas Operator | Jun 2000 |
7 | Amax Oil & Gas Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2014 |
8 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Aug 2013 |
9 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
10 | Anadarko E&P Company LP | Houston, TX 77251 | Oil & Gas Operator | Aug 2014 |
11 | Anderson Oil Corporation | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Nov 1999 |
12 | Anr Production Company | Houston, TX 77046 | Oil & Gas Operator | Aug 2017 |
13 | Apache Corporation | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
14 | Arbol Resources, Inc. | Houston, TX 77079 | Oil & Gas Operator | Apr 2024 |
15 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
16 | Arete Operating Company, LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
17 | Argent Energy (Us) Holdings Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Feb 2023 |
18 | Armor Petroleum, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
19 | Aruba Petroleum Inc | Dallas, TX 75379 | Oil & Gas Operator | Dec 2023 |
20 | Asher Resources | Boerne, TX 78006 | Oil & Gas Operator | May 2015 |
21 | Atasca Resources Inc | Houston, TX 77219 | Oil & Gas Operator | Apr 2024 |
22 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
23 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Apr 2024 |
24 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
25 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Apr 2024 |
26 | BDR Energy Corporation | Corpus Chrsti, TX 78463 | Oil & Gas Operator | Mar 1998 |
27 | Beaver Oil & Gas Operating, LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
28 | Beehive Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
29 | Bellows Operating Co., L. C. | Goliad, TX 77963 | Oil & Gas Operator | Apr 2024 |
30 | Bellows, Dewey Oper. Co., LTD. | Refugio, TX 78377 | Oil & Gas Operator | Jul 2013 |
31 | Bellwether Exploration Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
32 | Bettis, Boyle & Stovall | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
33 | BFD Energy Corporation | Georgetown, TX 78628 | Gas Operator | May 1998 |
34 | Bison Energy Partners, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2001 |
35 | Bison Energy Partners, LTD. | Houston, TX 77060 | Oil & Gas Operator | Apr 2002 |
36 | Black Bear Oil Corporation | Las Vegas, NV 89128 | Oil & Gas Operator | Feb 2024 |
37 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
38 | Block "T" Petroleum, Inc. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2024 |
39 | Bluestone Natural Res. II, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2019 |
40 | Bluestone Natural Resources, LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2015 |
41 | BNR Operating, LLC | Houston, TX 77269 | Oil & Gas Operator | Apr 2024 |
42 | Bommer Engineering Co. | San Antonio, TX 78260 | Oil & Gas Operator | Apr 2024 |
43 | Bordertown Energy Resources, LLC | Bryan, TX 77802 | Oil & Gas Operator | Apr 2024 |
44 | BPL Exploration, LTD. | Corpus Chrsti, TX 78418 | Oil & Gas Operator | Jan 2012 |
45 | Breck Operating Corp. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2023 |
46 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
47 | Bridge Oil Production Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1993 |
48 | Brighton Energy LLC | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
49 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
50 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2024 |
51 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
52 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
53 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Apr 2024 |
54 | Calpine Natural Gas Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2002 |
55 | Calpine Natural Gas Company L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
56 | Calpine Natural Gas L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2006 |
57 | Camden Oil & Gas, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Dec 2005 |
58 | Cantera Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Nov 2017 |
59 | CB Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Nov 2017 |
60 | Central Gulf Petroleum Inc | Conroe, TX 77304 | Oil & Gas Operator | Apr 2024 |
61 | Cfo Resources, Inc. | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Apr 2024 |
62 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2023 |
63 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2024 |
64 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
65 | Choctaw II Oil & Gas, LTD. | Houston, TX 77002 | Oil & Gas Operator | Jan 2002 |
66 | Cico Oil & Gas Company | Houston, TX 77057 | Oil & Gas Operator | Aug 2019 |
67 | Cliffwood Production Co. | Houston, TX 77090 | Oil & Gas Operator | Aug 2013 |
68 | CLR Secondary Recovery, LLC | Mabank, TX 75147 | Oil & Gas Operator | Apr 2024 |
69 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
70 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
71 | Coates Energy Trust | San Antonio, TX 78209 | Oil & Gas Operator | Aug 2008 |
72 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
73 | Cody Energy LLC | Houston, TX 77024 | Oil & Gas Operator | Jun 2020 |
74 | Collins & Ware, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2003 |
75 | Columbia Gas Development Corp. | Houston, TX 77251 | Oil & Gas Operator | Jun 1996 |
76 | Columbus Energy Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2008 |
77 | Columbus Energy, LLC | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
78 | Comstock Oil & Gas, Inc. | Frisco, TX 75034 | Oil & Gas Operator | Dec 2012 |
79 | Comstock Oil & Gas, LP | Frisco, TX 75034 | Oil & Gas Operator | Aug 2019 |
80 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
81 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
82 | Continental Exploration LLC | Lufkin, TX 75915 | Oil & Gas Operator | Apr 2024 |
83 | Continental Operating Co. | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
84 | Conway Energy Oper Services Inc. | San Diego, TX 78384 | Oil & Gas Operator | Apr 2024 |
85 | Coronado Energy E&P Company, LLC | Houston, TX 77252 | Oil & Gas Operator | Dec 2010 |
86 | Cory, Kenneth W. LTD. | Bellaire, TX 77401 | Oil & Gas Operator | Apr 2024 |
87 | Cotton, W. L. | Hebbronville, TX 78361 | Oil & Gas Operator | Mar 1996 |
88 | Cowrie Energy LLC | Austin, TX 78703 | Oil & Gas Operator | Apr 2024 |
89 | Cox & Perkins Exploration, Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
90 | Cox, Martin Regan | Irving, TX 75014 | Oil & Gas Operator | Apr 2024 |
91 | Crest Resources Inc | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2024 |
92 | Crimson Exploration Oper., Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
93 | Dale Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Feb 2019 |
94 | Dash Production Company, Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Apr 2024 |
95 | Davis Asset Management, Inc. | Houston, TX 77010 | Oil & Gas Operator | Dec 2004 |
96 | Davis Southern Operating Co LLC | Houston, TX 77004 | Oil & Gas Operator | Apr 2024 |
97 | DCP Operating Co LP | Houston, TX 77042 | Oil & Gas Operator | Dec 2023 |
98 | Denali Oil & Gas Management, LLC | Houston, TX 77060 | Oil & Gas Operator | Dec 2012 |
99 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
100 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2024 |