1 | 3tec Energy Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
2 | A.O.E. Operators, Inc. | Fulshear, TX 77441 | Oil & Gas Operator | Apr 2024 |
3 | Alcorn Prod Co. | Victoria, TX 77902 | Oil & Gas Operator | Mar 1997 |
4 | Allar Co., The | Graham, TX 76450 | Oil & Gas Operator | Dec 2004 |
5 | Alpine Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
6 | Altair Energy Corp. | Tyler, TX 75702 | Oil & Gas Operator | Jun 1994 |
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 | American Cascade Energy, Inc. | Barker, TX 77413 | Oil & Gas Operator | Apr 2024 |
10 | American Exploration Company | Houston, TX 77010 | Oil & Gas Operator | Jan 2000 |
11 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
12 | Anadarko E&P Company LP | Houston, TX 77251 | Oil & Gas Operator | Aug 2014 |
13 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
14 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Jan 2024 |
15 | Antara Resources Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 2004 |
16 | Apache Corporation | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
17 | Aquinas Oil & Gas, LLC | Muenster, TX 76252 | Oil Operator | Apr 2024 |
18 | Arcadia Expl. & Prod. Company | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2011 |
19 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
20 | Arrowhead Operating Inc. | Argyle, TX 76226 | Oil & Gas Operator | Apr 2024 |
21 | Atasca Resources Inc | Houston, TX 77219 | Oil & Gas Operator | Apr 2024 |
22 | Atropos Exploration Company | Dallas, TX 75225 | Oil & Gas Operator | Apr 2024 |
23 | Austin Resources Corporation | Houston, TX 77027 | Oil & Gas Operator | Mar 2008 |
24 | Balance Production Corporation | Temple, TX 76503 | Oil & Gas Operator | Apr 2024 |
25 | Barbee, R.L. Operating, Inc. | Corpus Chrsti, TX 78427 | Oil & Gas Operator | Apr 2024 |
26 | Barrow-Shaver Resources Co. | Tyler, TX 75703 | Oil & Gas Operator | Apr 2024 |
27 | Basa Resources Inc | Dallas, TX 75254 | Oil & Gas Operator | Apr 2024 |
28 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
29 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
30 | Bellwether Exploration Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
31 | Bend Petroleum Corp | Muenster, TX 76252 | Oil & Gas Operator | Apr 2024 |
32 | Big Creek Operating Company LLC | Houston, TX 77098 | Oil & Gas Operator | Apr 2024 |
33 | Bison Energy Partners, LTD. | Houston, TX 77060 | Oil & Gas Operator | Apr 2002 |
34 | Block "T" Petroleum, Inc. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2024 |
35 | Block T Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2023 |
36 | BLS Resources, Inc. | Rosharon, TX 77583 | Oil & Gas Operator | Feb 2001 |
37 | Bluegrass Energy Inc | Houston, TX 77057 | Oil & Gas Operator | Jan 2024 |
38 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2021 |
39 | Booher Engineering, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Apr 2024 |
40 | Bosco Petroleum LLC | Muenster, TX 76252 | Oil Operator | Apr 2024 |
41 | Bowman, Fred Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2014 |
42 | Bozeman, John F. | Rosenberg, TX 77471 | Oil & Gas Operator | Sep 2005 |
43 | Brazos Resources, Inc. | College Sta, TX 77840 | Oil & Gas Operator | Dec 1998 |
44 | BRG Lone Star LTD. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2024 |
45 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2023 |
46 | Bright Horizon Texas LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2016 |
47 | Brooks Petroleum Company | Tyler, TX 75703 | Oil & Gas Operator | Apr 2024 |
48 | Bryant & Carr, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Dec 1994 |
49 | Bryant - Chase Energy Corp. | Tyler, TX 75701 | Oil & Gas Operator | Aug 2004 |
50 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2024 |
51 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2024 |
52 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |
53 | C. W. Resources, Inc. | Longview, TX 75604 | Oil & Gas Operator | Apr 2024 |
54 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
55 | Calpine Natural Gas Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2002 |
56 | Calpine Natural Gas Company L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
57 | Calpine Natural Gas L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2006 |
58 | Cameron Engineering, Inc | Montgomery, TX 77356 | Oil & Gas Operator | Jun 2003 |
59 | Card Operating Company, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Dec 1995 |
60 | Carrizo Oil & Gas, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
61 | Castle Exploration Company Inc | Blue Bell, PA 19422 | Oil & Gas Operator | May 2018 |
62 | CH-Seon Inc. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2024 |
63 | Chalker Energy Management II,LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2008 |
64 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2023 |
65 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2024 |
66 | Chevron Midcontinent, L.P. | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
67 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
68 | Christico Petroleum Company | San Antonio, TX 78216 | Oil & Gas Operator | Apr 2024 |
69 | Classic Oil & Gas, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Jan 2004 |
70 | Cochise Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
71 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
72 | Contrast Energy, LLC | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2024 |
73 | Cook Exploration Co. | Longview, TX 75602 | Oil & Gas Operator | Apr 2024 |
74 | Cordillera Energy PRTNRS III,LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2012 |
75 | Cory, Kenneth W. LTD. | Bellaire, TX 77401 | Oil & Gas Operator | Apr 2024 |
76 | CP Energy LLC | Edmond, OK 73034 | Oil Operator | Jan 2024 |
77 | Crimson Exploration Inc. | Houston, TX 77060 | Oil & Gas Operator | Apr 2006 |
78 | Crimson Exploration Oper., Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
79 | Crow, David | Shreveport, LA 71106 | Oil & Gas Operator | May 2001 |
80 | Culver & Cain Production LLC | Tyler, TX 75711 | Oil & Gas Operator | Apr 2024 |
81 | Curzac Oil And Gas, LLC | Plano, TX 75075 | Oil & Gas Operator | Apr 2024 |
82 | Cxy Energy, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Nov 2000 |
83 | Delta Exploration Company Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 2024 |
84 | Denman-Friesen Co. | Lufkin, TX 75901 | Oil & Gas Operator | Nov 2006 |
85 | Denovo Oil & Gas, Inc. | Houston, TX 77210 | Oil & Gas Operator | May 1995 |
86 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2024 |
87 | Dixon Exploration Inc | Abilene, TX 79604 | Oil & Gas Operator | Oct 2019 |
88 | Draco Production Company | Tulsa, OK 74133 | Oil & Gas Operator | Jul 2012 |
89 | Edge Petroleum Oper. Co., Inc. | Houston, TX 77042 | Oil & Gas Operator | Nov 2010 |
90 | Elliott Oil & Gas Operating Co. | Magnolia, TX 77354 | Oil & Gas Operator | Apr 2024 |
91 | Empire Texas Operating LLC | Tulsa, OK 74114 | Oil & Gas Operator | Apr 2024 |
92 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
93 | Energy & Expl. PRTNRS Oper., LP | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2016 |
94 | Energy Development Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2023 |
95 | Enfield Operating Company, LLC | Coppell, TX 75019 | Oil Operator | Apr 2024 |
96 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
97 | EOG Resources Inc | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
98 | Etc Texas Pipeline, LTD. | San Antonio, TX 78258 | Oil Operator | Sep 2023 |
99 | Etoco, L.P. | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
100 | Etx Energy, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2022 |