1 | 4J Energy LLC | Houston, TX 77079 | Oil & Gas Operator | Aug 2022 |
2 | 7711 Corporation, The | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
3 | Adams Resources Expl. Corp. | Houston, TX 77001 | Oil & Gas Operator | Apr 2020 |
4 | Ads | Caldwell, TX 77836 | Oil & Gas Operator | Dec 2010 |
5 | Ads Oil & Gas, Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Apr 2024 |
6 | Aegis Fluids Management, LLC | Plano, TX 75093 | Oil & Gas Operator | Apr 2024 |
7 | Aim Consultants Inc. | Rockville, MD 20852 | Oil & Gas Operator | Mar 2008 |
8 | Akg Operating Company | Austin, TX 78701 | Oil & Gas Operator | Apr 2024 |
9 | Alamo Operating Company, L. C. | San Antonio, TX 78278 | Oil & Gas Operator | Aug 2023 |
10 | Alcorn Prod Co. | Victoria, TX 77902 | Oil & Gas Operator | Mar 1997 |
11 | Alexander Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
12 | All Am, Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2016 |
13 | Allegiant Resources, LLC | Lafayette, LA 70503 | Oil & Gas Operator | Apr 2024 |
14 | American Delta Corporation | Portland, TX 78374 | Oil & Gas Operator | Jun 2013 |
15 | American Royalty | Caldwell, TX 77836 | Oil & Gas Operator | Oct 2005 |
16 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
17 | Anadarko Austin Chalk Company | Houston, TX 77251 | Oil & Gas Operator | Feb 2006 |
18 | Anadarko E&P Company LP | Houston, TX 77251 | Oil & Gas Operator | Aug 2014 |
19 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
20 | Anchor Operating Co. | Houston, TX 77055 | Oil & Gas Operator | Apr 2024 |
21 | Apache Corporation | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
22 | Arcturus Operating Company | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
23 | Ares Energy, LTD. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
24 | Argent Petroleum Corporation | Center, TX 75935 | Oil & Gas Operator | Apr 2024 |
25 | Arledge, Terry | Rockdale, TX 76567 | Oil & Gas Operator | Sep 2019 |
26 | Arrow Exploration Company | Plano, TX 75075 | Oil & Gas Operator | Dec 2004 |
27 | Arrowhead Operating Inc. | Argyle, TX 76226 | Oil & Gas Operator | Apr 2024 |
28 | Aruba Petroleum, LTD. | Dallas, TX 75206 | Oil & Gas Operator | Aug 2003 |
29 | Asm Oil & Gas Company, Inc. | Dallas, TX 75367 | Oil & Gas Operator | May 2020 |
30 | Atasca Resources Inc | Houston, TX 77219 | Oil & Gas Operator | Apr 2024 |
31 | Atinum Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
32 | Atkinson Energy Corporation | Giddings, TX 78942 | Oil & Gas Operator | Jan 2010 |
33 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
34 | Austin Minerals Inc. | Austin, TX 78720 | Oil & Gas Operator | Apr 2024 |
35 | Austin Ridge Energy Corporation | Houston, TX 77224 | Oil & Gas Operator | Apr 2024 |
36 | Austral Oil Company Incorporated | Sulphur, LA 70663 | Oil & Gas Operator | Mar 2008 |
37 | B & B Drilling Co. | Milano, TX 76556 | Oil & Gas Operator | Jul 2015 |
38 | B & L Minerals, Inc. | Houston, TX 77036 | Oil & Gas Operator | Aug 2003 |
39 | B & M Operating Co., Inc. | Houston, TX 77006 | Oil & Gas Operator | Apr 2024 |
40 | B D Production Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
41 | B.W.O.C., Inc. | Plano, TX 75026 | Oil & Gas Operator | Apr 2024 |
42 | Baker, Brent Oil & Gas, Inc. | Oklahoma City, OK 73149 | Oil & Gas Operator | Apr 2024 |
43 | Bar-Mac Investments Inc. | Brenham, TX 77834 | Oil & Gas Operator | Jun 2017 |
44 | Bargo Energy Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
45 | Bass Petroleum | Austin, TX 78720 | Oil & Gas Operator | Aug 2004 |
46 | Bass Petroleum Inc | Austin, TX 78716 | Oil & Gas Operator | Apr 2024 |
47 | Baxter, Kelly H. | Austin, TX 78767 | Oil & Gas Operator | Mar 2008 |
48 | Baxter, Kelly H. Oil And Gas Co. | Austin, TX 78767 | Oil & Gas Operator | Nov 2010 |
49 | Bay Rock Operating Company | San Antonio, TX 78212 | Oil & Gas Operator | Apr 2024 |
50 | BBX Operating, L.L.C. | Austin, TX 78738 | Oil & Gas Operator | Apr 2024 |
51 | BCL Operating, LLC | Houston, TX 77269 | Oil & Gas Operator | Apr 2024 |
52 | Bellwether Exploration Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
53 | Bet-Ro, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Apr 2024 |
54 | Bison Energy Partners, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2001 |
55 | Bison Energy Partners, LTD. | Houston, TX 77060 | Oil & Gas Operator | Apr 2002 |
56 | Bommer Engineering Co. | San Antonio, TX 78260 | Oil & Gas Operator | Apr 2024 |
57 | BP Prod. Corp. | Richardson, TX 75083 | Oil & Gas Operator | Apr 2024 |
58 | Bralex Operating LLC | Dallas, TX 75367 | Oil & Gas Operator | Apr 2024 |
59 | Brammer Petroleum, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Apr 2024 |
60 | Brandes Petroleum, B.P.C.,Inc. | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
61 | Brazos Resources, Inc. | College Sta, TX 77840 | Oil & Gas Operator | Dec 1998 |
62 | Brazos Valley Operating, LLC | Austin, TX 78738 | Oil & Gas Operator | Apr 2024 |
63 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
64 | Britnic Oil & Gas, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Apr 2024 |
65 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
66 | Browning Oil Company, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2024 |
67 | Buckeye Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2018 |
68 | Buffco Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2024 |
69 | C And S Oil & Gas | San Antonio, TX 78217 | Oil & Gas Operator | Feb 1998 |
70 | Cag Petroleum Corp. | Dallas, TX 75382 | Oil & Gas Operator | Apr 2024 |
71 | Cago, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Apr 2024 |
72 | Cantro Exploration, Inc. | San Antonio, TX 78270 | Oil & Gas Operator | May 2000 |
73 | CD Consulting & Operating Co. | Bridgeport, TX 76426 | Oil & Gas Operator | Apr 2024 |
74 | Centex Energy, LLC | Bryan, TX 77802 | Oil & Gas Operator | Apr 2024 |
75 | Central Plains Oil&Gas Corp. (A) | Bryan, TX 77802 | Oil & Gas Operator | Mar 2003 |
76 | CH-Seon Inc. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2024 |
77 | Champlin Exploration, Inc. | Enid, OK 73702 | Oil & Gas Operator | Jan 2024 |
78 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2024 |
79 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2023 |
80 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2024 |
81 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Apr 2024 |
82 | Chisos, LTD | Houston, TX 77098 | Oil & Gas Operator | Apr 2024 |
83 | Chmelar, Eugene Oil & Gas | Caldwell, TX 77836 | Oil & Gas Operator | Apr 2024 |
84 | Christico Petroleum Company | San Antonio, TX 78216 | Oil & Gas Operator | Apr 2024 |
85 | Cico Oil & Gas Company | Houston, TX 77057 | Oil & Gas Operator | Aug 2019 |
86 | Cirrus Production Company | Enid, OK 73702 | Oil & Gas Operator | Dec 2023 |
87 | Clayton Williams Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | Apr 2017 |
88 | CML Exploration, LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
89 | Cobalt Energy LLC | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
90 | Cody Energy, Inc. | Houston, TX 77077 | Oil & Gas Operator | Feb 2024 |
91 | Cole, Frank W Engineering | Dallas, TX 75254 | Oil & Gas Operator | Mar 2006 |
92 | Coleman Oil & Gas Corp. | Fort Worth, TX 76109 | Oil & Gas Operator | Apr 2024 |
93 | Columbia Gas Development Corp. | Houston, TX 77251 | Oil & Gas Operator | Jun 1996 |
94 | Comanche Well Service Corp. | Plano, TX 75093 | Oil & Gas Operator | Apr 2024 |
95 | Comet Oil & Gas, Inc. | Conroe, TX 77305 | Oil & Gas Operator | Apr 2024 |
96 | Comstock Oil & Gas, LLC | Frisco, TX 75034 | Oil & Gas Operator | Apr 2024 |
97 | Comstock Oil & Gas, LP | Frisco, TX 75034 | Oil & Gas Operator | Aug 2019 |
98 | Concord Operating Incorporated | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Dec 2008 |
99 | Costilla Energy Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
100 | Costilla Petroleum Corporation | Midland, TX 79702 | Oil & Gas Operator | Mar 2015 |