1 | 3-M Energy Corporation | San Angelo, TX 76902 | Oil & Gas Operator | Jun 2017 |
2 | 801 LLC | Artesia, NM 88211 | Oil & Gas Operator | Oct 2023 |
3 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Dec 2024 |
4 | Acock Engineering & Assoc., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jul 2002 |
5 | Alegre Energy, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Dec 2024 |
6 | Allegro Investments, Inc. | Victoria, TX 77903 | Oil & Gas Operator | Nov 2020 |
7 | Alta Mesa Services, LP | Houston, TX 77084 | Oil & Gas Operator | Dec 2024 |
8 | Alyana Energy Corporation | Houston, TX 77227 | Oil & Gas Operator | Apr 1995 |
9 | Alyndson Oil & Gas Inc. | Alice, TX 78333 | Oil & Gas Operator | Jun 2000 |
10 | Ambassador Petroleum, Inc. | Katy, TX 77494 | Oil & Gas Operator | Dec 2024 |
11 | American Energy Partners Inc | Boerne, TX 78006 | Oil & Gas Operator | Dec 2011 |
12 | American Exploration Company | Houston, TX 77010 | Oil & Gas Operator | Jan 2000 |
13 | American Int'L Energy Corp. | Houston, TX 77057 | Oil & Gas Operator | Aug 2019 |
14 | American Pumping & Trucking | New Braunfels, TX 78131 | Oil & Gas Operator | Dec 2024 |
15 | Ammonite Energy Texas, Inc. | Midland, TX 79710 | Oil & Gas Operator | Aug 2003 |
16 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Sep 2024 |
17 | Anderson Oil LTD. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
18 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
19 | Aransas DRLG & Workover Co Inc | Corpus Chrsti, TX 78409 | Oil & Gas Operator | Jul 2019 |
20 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
21 | Argent Energy (Us) Holdings Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Sep 2021 |
22 | Ariel Resources, Inc. | Dallas, TX 75287 | Oil & Gas Operator | May 1997 |
23 | Arkla Exploration Co. | Shreveport, LA 71151 | Oil & Gas Operator | Jan 1993 |
24 | Armour Resource Holdings, LTD. | Houston, TX 77046 | Oil & Gas Operator | Nov 1994 |
25 | Ashland Exploration Inc | Houston, TX 77218 | Oil & Gas Operator | Nov 2000 |
26 | Atapco | Houston, TX 77040 | Oil & Gas Operator | Feb 1999 |
27 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
28 | Atoka Operating, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Dec 2024 |
29 | Auburn Enterprises, Inc. | Kyle, TX 78640 | Oil & Gas Operator | Aug 2003 |
30 | Aurora Resources Corporation | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
31 | Aviara Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2002 |
32 | B D Production Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
33 | B.P. Productions Inc. | Victoria, TX 77904 | Oil & Gas Operator | Dec 2024 |
34 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
35 | Barnes Mineral Production, LTD. | Hallettsville, TX 77964 | Oil & Gas Operator | Dec 2024 |
36 | Barrier Resources LLC | Cedar Park, TX 78613 | Oil & Gas Operator | Aug 2003 |
37 | Basic Energy Services, L.P. | Fort Worth, TX 76102 | Oil Operator | Dec 2024 |
38 | Bass Enterprises Production Co | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2006 |
39 | Baxter, Murphy H. | Houston, TX 77002 | Oil & Gas Operator | Sep 1998 |
40 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Dec 2024 |
41 | Baytex Energy USA, Inc. | Houston, TX 77084 | Oil & Gas Operator | Dec 2024 |
42 | Bell, Kelly Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 1995 |
43 | Bellows Operating Co., L. C. | Goliad, TX 77963 | Oil & Gas Operator | Dec 2024 |
44 | Benchmark Oil & Gas Co. | Houston, TX 77282 | Oil & Gas Operator | Dec 2024 |
45 | Benchmark Texas Petroleum, LLC. | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2024 |
46 | Bepco, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2008 |
47 | Big "6" Drilling Company | Houston, TX 77063 | Oil & Gas Operator | Mar 2019 |
48 | Big Lake Corporation | Dallas, TX 75222 | Oil & Gas Operator | Dec 2024 |
49 | Bishop Petroleum Inc. | Houston, TX 77007 | Oil & Gas Operator | Dec 2024 |
50 | Bishop, J. E., Inc. | Houston, TX 77024 | Oil & Gas Operator | Jul 2012 |
51 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2024 |
52 | Blackbrush O & G, Inc. | San Antonio, TX 78258 | Oil & Gas Operator | Apr 2012 |
53 | Block "T" Petroleum, Inc. | Tyler, TX 75707 | Oil & Gas Operator | Dec 2024 |
54 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Dec 2024 |
55 | Bluestone Natural Res. II, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2019 |
56 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2021 |
57 | Bopco, L.P. | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
58 | Bowman, Fred Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2014 |
59 | Brammer Petroleum, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Dec 2024 |
60 | Brazos Petroleum, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
61 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
62 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
63 | Bridge Oil Production Co., Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1993 |
64 | Britanco, L.L.C. | Falls City, TX 78113 | Oil & Gas Operator | Dec 2024 |
65 | Broad Oak Energy, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Jul 2011 |
66 | Brown J K Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2003 |
67 | Brown, Geo. R Partnership,LP,The | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
68 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
69 | Bse Production Co. | Victoria, TX 77903 | Oil & Gas Operator | Dec 2024 |
70 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Dec 2024 |
71 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Dec 2024 |
72 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
73 | Burton, V.C. Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2016 |
74 | C.F.O., Inc. | Liberty, TX 77575 | Oil Operator | Dec 2024 |
75 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
76 | Cabot Oil & Gas Production Corp. | Houston, TX 77060 | Oil & Gas Operator | Jun 1996 |
77 | Cactus Petroleum Corporation | Houston, TX 77077 | Oil & Gas Operator | Dec 2024 |
78 | Calpine Natural Gas Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2002 |
79 | Camden Oil & Gas, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Dec 2005 |
80 | Camden Resources, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Apr 2008 |
81 | Camden Resources, LLC | Blanchard, OK 73010 | Oil & Gas Operator | Dec 2015 |
82 | Camoil, Inc. | Columbus, TX 78934 | Oil & Gas Operator | Dec 2024 |
83 | Cannan, Morris | San Antonio, TX 78205 | Oil & Gas Operator | Dec 2024 |
84 | Cantera Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Nov 2017 |
85 | Canyon Oil & Gas Exploration LLC | San Antonio, TX 78258 | Oil & Gas Operator | May 2002 |
86 | Capital Star Oil & Gas, Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 2024 |
87 | Carlow Corp. | Midland, TX 79702 | Oil & Gas Operator | Sep 2024 |
88 | Caskids Operating Company | Houston, TX 77027 | Oil & Gas Operator | Dec 2024 |
89 | Castex Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
90 | Cathexis Oil & Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2014 |
91 | Cavalier Oil & Gas, Inc. | Buchanan Dam, TX 78609 | Oil & Gas Operator | Dec 2024 |
92 | CB Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Nov 2017 |
93 | Ceniza Petroleum, Inc. | Portland, TX 78374 | Oil & Gas Operator | Dec 2024 |
94 | Central Gulf Petroleum Inc | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2024 |
95 | Centurion Exploration Company | Houston, TX 77042 | Oil & Gas Operator | May 2009 |
96 | Cerberus Engineering, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2024 |
97 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
98 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
99 | Chaparral Natural Resources,Inc. | Austin, TX 78746 | Oil & Gas Operator | Dec 2024 |
100 | Chemily Management Company | Cypress, TX 77429 | Oil & Gas Operator | Apr 2023 |