1 | Ac Exploration, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2024 |
2 | Allar Co., The | Graham, TX 76450 | Oil & Gas Operator | Dec 2004 |
3 | Anadarko E&P Company LP | Houston, TX 77251 | Oil & Gas Operator | Aug 2014 |
4 | Anadarko E&P Onshore LLC | Houston, TX 77046 | Oil & Gas Operator | Dec 2024 |
5 | Anderson Producing, Inc. | Houston, TX 77057 | Oil & Gas Operator | Sep 2013 |
6 | Arcadia Energy Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2024 |
7 | Arco Oil & Gas Co.-Silsbee | Lafayette, LA 70505 | Oil & Gas Operator | Jul 1993 |
8 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
9 | Atoka Operating, Inc. | Gainesville, TX 76241 | Oil & Gas Operator | Dec 2024 |
10 | Austral Oil Company Incorporated | Sulphur, LA 70663 | Oil & Gas Operator | Mar 2008 |
11 | Aviara Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2002 |
12 | Ballard Exploration Company,Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
13 | Bargo Energy Company | Houston, TX 77010 | Oil & Gas Operator | May 2001 |
14 | Basa Resources Inc | Dallas, TX 75254 | Oil & Gas Operator | Dec 2024 |
15 | BBX Operating, L.L.C. | Austin, TX 78738 | Oil & Gas Operator | Dec 2024 |
16 | Bechtel Energy Resources Corp. | Houston, TX 77210 | Oil & Gas Operator | Jun 1996 |
17 | Big Run Production Company | Tyler, TX 75701 | Oil & Gas Operator | Dec 2024 |
18 | Block "T" Petroleum, Inc. | Tyler, TX 75707 | Oil & Gas Operator | Dec 2024 |
19 | Block T Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jul 2024 |
20 | Blue Ridge Group, Inc. | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2021 |
21 | Booher Engineering, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2024 |
22 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
23 | BP Products North America Inc | Chicago, IL 60606 | Gas Operator | Jan 2017 |
24 | BPX Operating Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2024 |
25 | BRG Lone Star LTD. | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2024 |
26 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
27 | Bse Production Co. | Victoria, TX 77903 | Oil & Gas Operator | Dec 2024 |
28 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
29 | C & E Operating, Inc. | Hockley, TX 77447 | Oil & Gas Operator | Dec 2024 |
30 | Cameron Exploration, Inc. | Longview, TX 75604 | Oil & Gas Operator | Dec 2024 |
31 | Cameron, Paul E., Jr., Inc. | Montgomery, TX 77356 | Oil & Gas Operator | May 2015 |
32 | Carbon Oil Inc | Vidor, TX 77670 | Oil & Gas Operator | Dec 2024 |
33 | Century Exploration Houston, Inc | The Woodlands, TX 77380 | Oil & Gas Operator | Oct 2011 |
34 | Century Exploration Houston, LLC | Austin, TX 78702 | Oil & Gas Operator | Jan 2016 |
35 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
36 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2024 |
37 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |
38 | Choctaw Resources, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Dec 2019 |
39 | Choice Exploration, Inc. | Irving, TX 75063 | Oil & Gas Operator | Dec 2024 |
40 | Cico Oil & Gas Company | Houston, TX 77057 | Oil & Gas Operator | Aug 2019 |
41 | Cleveland Production Company | Summit, MS 39666 | Oil & Gas Operator | Jul 1999 |
42 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
43 | Cody Energy, Inc. | Houston, TX 77077 | Oil & Gas Operator | Oct 2024 |
44 | Columbia Gas Development Corp. | Houston, TX 77251 | Oil & Gas Operator | Jun 1996 |
45 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
46 | Coronado Energy E&P Company, LLC | Houston, TX 77252 | Oil & Gas Operator | Dec 2010 |
47 | Costa Energy, LLC | Irving, TX 75063 | Oil & Gas Operator | Dec 2024 |
48 | Crest Resources & Expl. Corp. | Houston, TX 77079 | Oil & Gas Operator | Dec 1998 |
49 | Creston Petroleum Corp. | Dallas, TX 75380 | Oil & Gas Operator | Dec 2024 |
50 | Dartex Energy Corporation | Austin, TX 78746 | Oil & Gas Operator | Dec 2024 |
51 | Davis Bros. Oil Producers, Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2020 |
52 | Davis Southern Operating Co LLC | Houston, TX 77004 | Oil & Gas Operator | Dec 2024 |
53 | Daylight Petroleum LLC | Houston, TX 77052 | Oil & Gas Operator | Dec 2024 |
54 | Delaware Davis Petroleum Corp. | Houston, TX 77056 | Oil & Gas Operator | Jan 2000 |
55 | Delfin Operating, LLC | Dallas, TX 75243 | Oil & Gas Operator | Dec 2024 |
56 | Doggy Oil Corp | Decatur, GA 30031 | Oil & Gas Operator | Dec 2024 |
57 | Dominion Exploration & Production Inc | Houston, TX 77060 | Oil & Gas Operator | Apr 2015 |
58 | Dorado Oil Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Dec 2014 |
59 | Douglas Petroleum Inc. | Spring, TX 77379 | Oil & Gas Operator | Nov 2010 |
60 | Duncan Energy Company | Denver, CO 80202 | Oil & Gas Operator | Mar 2008 |
61 | Eclipse Oil & Gas, Inc. | Midland, TX 79703 | Oil & Gas Operator | Dec 2024 |
62 | Eclipse Services, Inc. * | La Grange, TX 78945 | Oil & Gas Operator | Jul 2003 |
63 | El Paso E&P Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2013 |
64 | El Paso Production Oil & Gas Co. | Houston, TX 77252 | Oil & Gas Operator | Dec 2024 |
65 | El Tres Exploration | Houston, TX 77098 | Oil & Gas Operator | Mar 2008 |
66 | Eland Energy Inc | Dallas, TX 75248 | Oil & Gas Operator | Sep 2024 |
67 | Endeavor Natural Gas, LP | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
68 | Endeavor Production Company | San Angelo, TX 76904 | Oil & Gas Operator | Mar 2008 |
69 | Energy Transfer Crude Marketing LLC | Houston, TX 77002 | Oil Operator | Sep 2024 |
70 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
71 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |
72 | Etc Field Services LLC | San Antonio, TX 78258 | Oil Operator | Jun 2018 |
73 | Etc Texas Pipeline, LTD. | San Antonio, TX 78258 | Oil Operator | Sep 2023 |
74 | Eurovest Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
75 | Evantech Energy Corp. | Fort Worth, TX 76120 | Oil & Gas Operator | Apr 1995 |
76 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
77 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |
78 | Famcor Oil, Inc. | Scottsdale, AZ 85260 | Oil & Gas Operator | Sep 2020 |
79 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Dec 2024 |
80 | Five-Jab, Inc. | Tomball, TX 77377 | Oil & Gas Operator | Dec 2024 |
81 | Flint Interests, LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2024 |
82 | Fort Apache Energy, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Dec 2024 |
83 | Fortune Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Dec 2024 |
84 | Forza Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2024 |
85 | Future Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 1999 |
86 | Gaither Petroleum Corporation | Katy, TX 77493 | Oil & Gas Operator | Dec 2024 |
87 | Galloway Lone Star, L.L.C. | Tomball, TX 77377 | Oil & Gas Operator | Dec 2024 |
88 | Gcea, LLC | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
89 | Geosouthern Operating II, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2024 |
90 | Goldking Onshore Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2016 |
91 | Goldking Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
92 | Grit Oil & Gas, LLC | Houston, TX 77072 | Oil & Gas Operator | Apr 2019 |
93 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Oct 2024 |
94 | Gulf South Pipeline Company, LP | Houston, TX 77046 | Oil & Gas Operator | Dec 2020 |
95 | Gulfmark Energy Inc | Houston, TX 77027 | Gas Operator | Apr 2023 |
96 | H.E.R. Operating, LLC | Silsbee, TX 77656 | Oil & Gas Operator | Dec 2024 |
97 | H.E.X.T. Operating, LTD. | Buna, TX 77612 | Oil Operator | Mar 2024 |
98 | Haber Resources Corporation | Houston, TX 77063 | Oil & Gas Operator | Mar 1999 |
99 | Hanson Minerals Co. | Houston, TX 77042 | Oil & Gas Operator | Oct 1993 |
100 | Hanson Production Company | Cuero, TX 77954 | Oil & Gas Operator | Jul 2009 |