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 | Abraxas Petroleum Corporation | San Antonio, TX 78259 | Oil & Gas Operator | Dec 2024 |
4 | Adams & McGahey | Amarillo, TX 79114 | Oil & Gas Operator | Nov 1998 |
5 | Aikman Oil Corp. | Oklahoma City, OK 73157 | Oil & Gas Operator | Dec 2024 |
6 | Alexander Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
7 | Alpar Resources, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Jul 2011 |
8 | Amarillo Exploration, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Dec 2024 |
9 | Amarillo Natural Gas, Inc. | Amarillo, TX 79119 | Gas Operator | Jul 1996 |
10 | Amcon Resources, Inc. | Oklahoma City, OK 73101 | Gas Operator | Jun 2016 |
11 | Amedan Resources, Inc. | Chickasha, OK 73023 | Oil & Gas Operator | Mar 2008 |
12 | American Star Energy & Min. Corp | Katy, TX 77449 | Oil & Gas Operator | Sep 2024 |
13 | Amexco, LLC | San Antonio, TX 78259 | Oil & Gas Operator | Dec 2024 |
14 | Amoco Production Co. | Houston, TX 77253 | Oil & Gas Operator | Jun 2015 |
15 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Sep 2024 |
16 | Aog, Inc. | Norman, OK 73070 | Oil & Gas Operator | Nov 2014 |
17 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Dec 2024 |
18 | Aratex Production Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2003 |
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 | Archer,Carl M Estate Partnership | Gruver, TX 79040 | Oil & Gas Operator | Sep 2022 |
22 | Aroc (Texas) Inc | Houston, TX 77090 | Oil & Gas Operator | Dec 2014 |
23 | Arrow Oil & Gas, LLC | Norman, OK 73070 | Oil & Gas Operator | Dec 2024 |
24 | Aruba Petroleum, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Oct 2024 |
25 | Atchley Resources, Inc. | Oklahoma City, OK 73134 | Oil & Gas Operator | Oct 2024 |
26 | Athena Energy, Inc. | Gallatin, TN 37066 | Oil & Gas Operator | Dec 2024 |
27 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2024 |
28 | Axis Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Dec 2024 |
29 | B & W Operating LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Oct 2024 |
30 | B And G Production, Inc. | Woodward, OK 73801 | Oil & Gas Operator | Dec 2024 |
31 | B J Resources, L.L.C. | Athens, TX 75751 | Oil & Gas Operator | Dec 2024 |
32 | B&E Exploration, Inc. | Perryton, TX 79070 | Oil & Gas Operator | Sep 2009 |
33 | Bannon Energy Inc | Houston, TX 77068 | Oil & Gas Operator | Jun 1998 |
34 | Bar L Producers | Fritch, TX 79036 | Oil & Gas Operator | Dec 2024 |
35 | Barbour Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2024 |
36 | Batton Oil & Gas, LLC | Spearman, TX 79081 | Oil & Gas Operator | Dec 2024 |
37 | Bce-Mach II LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2024 |
38 | Bce-Mach III LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2024 |
39 | Be Anadarko II, LLC | Austin, TX 78731 | Oil & Gas Operator | Dec 2024 |
40 | Beach Exploration, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
41 | Benn Oil & Gas | Perryton, TX 79070 | Oil & Gas Operator | Jun 2005 |
42 | Benson-McCown & Company | Amarillo, TX 79114 | Oil & Gas Operator | Jul 2016 |
43 | Berexco Inc. | Wichita, KS 67208 | Oil & Gas Operator | Oct 2009 |
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 Gold Energy LLC | Jenks, OK 74037 | Oil Operator | Jun 2024 |
48 | Black Stone Energy Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2004 |
49 | Black Stone Energy Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
50 | Blackbeard Operating, LLC | Fort Worth, TX 76107 | 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 | Bommer Engineering Co. | San Antonio, TX 78260 | 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 | Brawley Petroleum Corporation | Lubbock, TX 79424 | Gas Operator | Aug 2017 |
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 | Bridge Oil Company LP | Midland, TX 79702 | Oil & Gas Operator | May 1999 |
62 | Bright Horizon Texas LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2016 |
63 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
64 | Brock Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2019 |
65 | Brock Resources, Inc. | New Orleans, LA 70112 | Oil & Gas Operator | Nov 1998 |
66 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2024 |
67 | Buffalo Raider Consulting, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2024 |
68 | Burgess, W. E. | Fort Worth, TX 76147 | Oil & Gas Operator | Dec 2024 |
69 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2024 |
70 | Cabot Oil & Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
71 | Calpine Natural Gas Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2002 |
72 | Calpine Natural Gas Company L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
73 | Calpine Natural Gas L.P. | Houston, TX 77002 | Oil & Gas Operator | Jan 2006 |
74 | Calumet Oil Company | Oklahoma City, OK 73114 | Oil & Gas Operator | Feb 2019 |
75 | Cambridge Production, Inc. | Amarillo, TX 79120 | Oil & Gas Operator | Nov 2020 |
76 | Canyon Exploration Co. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2024 |
77 | Capstone Cactus Operating Comp. | Hennessey, OK 73742 | Oil & Gas Operator | Dec 2024 |
78 | Carson Buckles Exploration LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2024 |
79 | Casillas Petroleum Corp | Satanta, KS 67870 | Oil & Gas Operator | Oct 2024 |
80 | Chaparral (USA) Energy, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Sep 2002 |
81 | Chaparral Energy, L.L.C. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
82 | Charter Oak Production Co LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2024 |
83 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Aug 2024 |
84 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |
85 | Chevron USA Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
86 | Chi Operating, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
87 | Cig Exploration Inc | Houston, TX 77046 | Oil & Gas Operator | Nov 1999 |
88 | Cimarex Energy Co | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
89 | Cimarex Energy Co. Of Colorado | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
90 | Citrus Energy Corporation | Castle Rock, CO 80104 | Oil & Gas Operator | Mar 2020 |
91 | Clay Petroleum | Prosper, TX 75078 | Oil & Gas Operator | Feb 2023 |
92 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
93 | Coastal Plains Energy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2024 |
94 | Cobalt Energy LLC | Wichita, KS 67202 | Oil & Gas Operator | Aug 2024 |
95 | Coenergy Operating Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
96 | Combined Resources Corporation | Edmond, OK 73083 | Oil & Gas Operator | Dec 2024 |
97 | Concho Exploration Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2015 |
98 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
99 | Contango Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
100 | Contango Resources, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2024 |