1 | 3tec Energy Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2019 |
2 | 4P Energy Texas, LLC | Denver, CO 80206 | Oil & Gas Operator | Nov 2020 |
3 | 5H Oil Co., LLC | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
4 | Ak Pearson Family Trust | Amarillo, TX 79114 | Oil Operator | Dec 2024 |
5 | Alpar Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Jul 2011 |
6 | Amarillo Exploration, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Dec 2024 |
7 | Amax Oil & Gas Inc | Fort Worth, TX 76107 | Oil & Gas Operator | Nov 2014 |
8 | Amcon Resources, Inc. | Oklahoma City, OK 73101 | Gas Operator | Jun 2016 |
9 | Amerada Hess Corporation | Houston, TX 77252 | Oil & Gas Operator | Aug 2013 |
10 | American Exploration Company | Houston, TX 77010 | Oil & Gas Operator | Jan 2000 |
11 | American Star Energy & Min. Corp | Katy, TX 77449 | Oil & Gas Operator | Sep 2024 |
12 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
13 | Anadarko Ogc Company | Houston, TX 77251 | Oil & Gas Operator | Dec 1998 |
14 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Sep 2024 |
15 | Anchor Oil Company | Gruver, TX 79040 | Gas Operator | Dec 2024 |
16 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
17 | Arapahoe Resources LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Oct 2024 |
18 | Arch Oil & Gas, LLC | Dallas, TX 75254 | Oil & Gas Operator | Dec 2024 |
19 | Archer, Carl M. | Spearman, TX 79081 | Oil & Gas Operator | Feb 2005 |
20 | Archer, Carl M. Farms, Inc. | Gruver, TX 79040 | Gas Operator | Mar 2024 |
21 | Arco Oil & Gas Company | Plano, TX 75086 | Oil & Gas Operator | Mar 2006 |
22 | Aroc (Texas) Inc | Houston, TX 77090 | Oil & Gas Operator | Dec 2014 |
23 | Aspen Energy Group, Inc. | Santa Ynez, CA 93460 | Oil & Gas Operator | Mar 2015 |
24 | Aspen Energy, Inc. | Seguin, TX 78156 | Oil & Gas Operator | Jul 2019 |
25 | Athena Energy, Inc. | Gallatin, TN 37066 | Oil & Gas Operator | Dec 2024 |
26 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
27 | Avalanche Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2024 |
28 | Aven Gas & Oil Inc | Oklahoma City, OK 73113-0491 | Oil & Gas Operator | Nov 2021 |
29 | Axis Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Dec 2024 |
30 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Dec 2024 |
31 | B&E Exploration, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Sep 2009 |
32 | Badger Oil Corporation | Lafayette, LA 70505 | Oil & Gas Operator | Nov 2011 |
33 | Balcones Production Company | Houston, TX 77002 | Oil & Gas Operator | Feb 1996 |
34 | Bannon Energy Inc | Houston, TX 77068 | Oil & Gas Operator | Jun 1998 |
35 | Batton Oil & Gas, LLC | Spearman, TX 79081 | Oil & Gas Operator | Dec 2024 |
36 | Bce-Mach II LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2024 |
37 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2024 |
38 | Be Anadarko II, LLC | Austin, TX 78731 | Oil & Gas Operator | Dec 2024 |
39 | Beard Oil Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Aug 2013 |
40 | Beck Resources Incorporated | Hennessey, OK 73742 | Oil & Gas Operator | Sep 2024 |
41 | Benn Oil & Gas | Perryton, TX 79070 | Oil & Gas Operator | Jun 2005 |
42 | Berenergy Corporation | Denver, CO 80217 | Oil & Gas Operator | Nov 2024 |
43 | Beta-Tex, An Oklahoma Corp. | Oklahoma City, OK 73157 | Oil & Gas Operator | Dec 2024 |
44 | Bevo Production Co. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 2014 |
45 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
46 | Bison Petroleum Corporation | Amarillo, TX 79121 | Oil & Gas Operator | Mar 1996 |
47 | Black Stone Energy Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2004 |
48 | Black Stone Energy Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
49 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2024 |
50 | Blackjack Oil & Gas, Inc. | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2024 |
51 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Oct 2024 |
52 | Bluegrass Energy Inc | Houston, TX 77057 | Oil & Gas Operator | Sep 2024 |
53 | Bluemark Energy LLC | Tulsa, OK 74120 | Oil & Gas Operator | Oct 2024 |
54 | Bob-Kat Oil Co. | Prairie Lea, TX 78661 | Oil & Gas Operator | Dec 2024 |
55 | BP America Production Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2024 |
56 | Bracken Energy Company | Oklahoma City, OK 73118 | Oil & Gas Operator | Mar 2015 |
57 | Bracken Operating, L.L.C. | Perryton, TX 79070 | Oil & Gas Operator | Dec 2024 |
58 | Bravo Natural Resources, Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Jun 2009 |
59 | Breitburn Operating LP | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
60 | BRG Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2020 |
61 | BRG Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2020 |
62 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
63 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
64 | Brighton Energy LLC | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
65 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
66 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
67 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2024 |
68 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
69 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2024 |
70 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
71 | Cactus Oil Company | Pampa, TX 79066 | Oil & Gas Operator | Aug 2000 |
72 | Calpine Natural Gas Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2002 |
73 | Calpine Natural Gas Company L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
74 | Calpine Natural Gas L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2006 |
75 | Cambridge Production, Inc. | Amarillo, TX 79120 | Oil & Gas Operator | Nov 2020 |
76 | Canvas Energy LLC | Oklahoma City, OK 73142-1839 | Oil & Gas Operator | Oct 2024 |
77 | Canyon Exploration Co. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2024 |
78 | Capturepoint LLC | Allen, TX 75013 | Oil & Gas Operator | Dec 2024 |
79 | Cardwell Oil Corporation | Midland, TX 79710 | Oil & Gas Operator | Dec 2024 |
80 | Carson Buckles Exploration LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2024 |
81 | Castle Operating LLC | Oklahoma City, OK 73114-7444 | Oil Operator | Oct 2024 |
82 | Champlin Exploration, Inc. | Enid, OK 73702 | Oil & Gas Operator | Oct 2024 |
83 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
84 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
85 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2024 |
86 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2024 |
87 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |
88 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
89 | Chi Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
90 | Choice Exploration, Inc. | Irving, TX 75063 | Oil & Gas Operator | Dec 2024 |
91 | Cimarex Energy Co | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
92 | Cimarron Engineering, LLC | Kingsville, TX 78364 | Oil & Gas Operator | Dec 2024 |
93 | Cirrus Production Company | Enid, OK 73702 | Oil & Gas Operator | Sep 2024 |
94 | Cisco Operating LLC | Plano, TX 75024 | Oil & Gas Operator | Oct 2024 |
95 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Dec 2024 |
96 | Citori Oil Company, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2014 |
97 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
98 | Coal Creek Energy, LLC | Overland Park, KS 66221 | Oil Operator | Dec 2019 |
99 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
100 | Cobra Oil & Gas Corporation | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2024 |