1 | Aberdeen American Petroleum Co., Inc. | | Oil & Gas Operator | Dec 1989 |
2 | Aberdeen Petroleum (USA) Inc. | Abilene, TX 79608 | Oil & Gas Operator | Sep 1994 |
3 | Addison Oil, LLC | Addison, TX 75001 | Oil & Gas Operator | Mar 2013 |
4 | Adobe Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
5 | Aethon Energy Operating LLC | Dallas, TX 75251 | Oil & Gas Operator | Nov 2024 |
6 | Alfred Lamson-James A. Crocker | | Oil & Gas Operator | Sep 1986 |
7 | Alta Mesa Services, LP | Houston, TX 77084 | Oil & Gas Operator | Nov 2024 |
8 | Aminex USA, Inc. | Somerset, TX 78069 | Oil & Gas Operator | May 2018 |
9 | Anadarko E&P Company LP | Houston, TX 77251 | Oil & Gas Operator | Aug 2014 |
10 | Annco Pet. Co & Equipment, Inc | | Oil & Gas Operator | Sep 1982 |
11 | Anr Production Company | Houston, TX 77046 | Oil & Gas Operator | Aug 2017 |
12 | Arcadia Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Nov 2024 |
13 | Arco O & G Co-Div Atl Rich Co | | Oil & Gas Operator | Feb 1994 |
14 | Ashland Exploration Inc | Houston, TX 77218 | Oil & Gas Operator | Nov 2000 |
15 | Ashland Oil, Inc | | Oil & Gas Operator | Dec 2022 |
16 | Austral Oil & Exploration, Inc | | Oil & Gas Operator | Jun 2004 |
17 | Avanti Exploration La, LLC | | Oil & Gas Operator | May 2024 |
18 | Barton Oil & Gas Co., Inc. | | Oil & Gas Operator | Sep 1993 |
19 | Bayshore Exploration LLC | Bellville, TX 77418 | Oil & Gas Operator | Dec 2016 |
20 | Beauregard Production Co Inc | | Oil Operator | Dec 2014 |
21 | Belle Oil, Inc. | | Oil & Gas Operator | Aug 2024 |
22 | BHP Petroleum (Americas) Inc | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
23 | BHP Petroleum, Inc. | | Oil & Gas Operator | Aug 1985 |
24 | Black Pearl Exploration, L.L.C. | Houston, TX 77095 | Oil & Gas Operator | May 2015 |
25 | Blue Ridge Group, Inc. | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2021 |
26 | Bomar Oil & Gas, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Jun 2021 |
27 | Bonanza Salvage & Prod. Co Inc | | Oil & Gas Operator | Sep 2005 |
28 | BPR Energy, Inc. | | Oil & Gas Operator | Apr 2021 |
29 | Branta Production Company LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Nov 2024 |
30 | Brechtel Energy Corporation | | Oil & Gas Operator | Sep 2008 |
31 | Bridwell Oil Management, LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Nov 2024 |
32 | Bridwell Oil MGMT Of Al, LLC | | Oil & Gas Operator | Apr 2006 |
33 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
34 | Bright & Schiff | | Oil & Gas Operator | Dec 1977 |
35 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
36 | Buttes Resources Company | Houston, TX 77056 | Oil & Gas Operator | May 2007 |
37 | C & B Exploration Company, Inc. | | Oil & Gas Operator | Oct 2008 |
38 | C & D Resources, Inc. | | Oil & Gas Operator | Nov 2001 |
39 | C & VC, Inc. | | Oil & Gas Operator | Sep 1991 |
40 | C. L. Brown, III | | Oil Operator | Dec 1991 |
41 | C. L. Brown, Inc. | | Oil Operator | Dec 1999 |
42 | C.T.R. Oil, Inc. | | Oil & Gas Operator | Jun 2024 |
43 | C6 Operating, L.L.C. | Keatchie, LA 71046 | Oil & Gas Operator | Nov 2024 |
44 | Cajun Operating, Inc. | | Oil & Gas Operator | Jun 2011 |
45 | Callon Petroleum Company | Natchez, MS 39120 | Oil & Gas Operator | Oct 2002 |
46 | Cardinal Oil & Gas, Inc. | | Oil & Gas Operator | Jun 1995 |
47 | Caribe Resources, Inc. | | Oil & Gas Operator | Jan 1985 |
48 | Carrollton Resources Corp. | | Oil & Gas Operator | Sep 2000 |
49 | Caskids Operating Company | Houston, TX 77027 | Oil & Gas Operator | Nov 2024 |
50 | Cavalry Resources LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2010 |
51 | Cei Production Company | Dallas, TX 75225 | Oil & Gas Operator | Sep 1998 |
52 | Celeron Oil & Gas Company | | Oil & Gas Operator | Dec 1987 |
53 | Central Crude, Inc. | | Oil & Gas Operator | Jul 2014 |
54 | Chain Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Nov 2024 |
55 | Charleston Oil & Gas, Inc. | | Oil & Gas Operator | Mar 1997 |
56 | Cheniere Petroleum Corporation | | Oil & Gas Operator | Feb 1989 |
57 | Chesapeake Operating, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Jul 2024 |
58 | Chesapeake Operating, LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2024 |
59 | Clayton Williams Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | Apr 2017 |
60 | Cliffwood Production Co. | Houston, TX 77090 | Oil & Gas Operator | Aug 2013 |
61 | CNG Producing Co.-Tulsa Div. | | Oil & Gas Operator | Jun 1986 |
62 | CNG Producing Company | New Orleans, LA 70112 | Oil & Gas Operator | Dec 2015 |
63 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
64 | Comstock Oil & Gas--La, LLC | | Oil & Gas Operator | Jun 2024 |
65 | Coronado Oil & Minerals Co. | | Oil & Gas Operator | Sep 1980 |
66 | Cortex Energy, Inc. | Wichita, KS 67217 | Oil & Gas Operator | Jun 2024 |
67 | Covey Energy, Inc. | | Oil & Gas Operator | Jun 1998 |
68 | Covey Park Gas LLC | | Oil & Gas Operator | Aug 2019 |
69 | Cox & Perkins Exploration, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2024 |
70 | CPBG, LLC | | Oil Operator | Oct 2019 |
71 | Crebbs Oil Company | Batson, TX 77519 | Oil & Gas Operator | Jun 2024 |
72 | Crescent DRLG & DVLPMNT, Inc. | | Oil & Gas Operator | Oct 1992 |
73 | Crystal Oil & Land Company | | Oil & Gas Operator | Apr 2002 |
74 | Cxy Energy, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Nov 2000 |
75 | D & V Petroleum Corporation | | Oil & Gas Operator | May 1992 |
76 | Dale Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Nov 2024 |
77 | Damson Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Mar 2005 |
78 | Darsey Operating Corporation | | Oil & Gas Operator | Sep 1990 |
79 | Daylight Petroleum LLC | Houston, TX 77052 | Oil & Gas Operator | Nov 2024 |
80 | DBL DRLG.&Prod. Services, Inc. | | Oil & Gas Operator | Jul 1997 |
81 | Deck Oil Company | Tulsa, OK 74101 | Oil & Gas Operator | Jun 2020 |
82 | Desco Oil Company | Houston, TX 77056 | Oil & Gas Operator | Feb 2017 |
83 | Despot Production Company | | Oil & Gas Operator | May 1983 |
84 | Devon Louisiana Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2019 |
85 | Di Energy Inc. | Houston, TX 77067 | Oil & Gas Operator | Jan 2004 |
86 | Diamond S Operating Co. | | Oil & Gas Operator | Oct 1992 |
87 | DLB Oil & Gas, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Nov 2024 |
88 | Dome Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
89 | Donald J. Zadeck | | Oil & Gas Operator | Feb 1998 |
90 | Dunn Exploration Company, LLC | | Oil & Gas Operator | Jun 2024 |
91 | Dyco Petroleum Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2015 |
92 | Dynamic Exploration, Inc. | | Oil & Gas Operator | Oct 2003 |
93 | E. L. Cox And Stanrich Oil Co. | | Oil & Gas Operator | Jul 1981 |
94 | Edwin L. Cox | | Oil & Gas Operator | May 1986 |
95 | El Paso E&P Company, L.P. | Houston, TX 77002 | Oil & Gas Operator | Mar 2013 |
96 | Empire Louisiana LLC Of Delaware | | Oil & Gas Operator | May 2024 |
97 | Enerfin Field Services LLC | Houston, TX 77077 | Oil Operator | Jun 2024 |
98 | Energy Prod Management Corp | | Oil & Gas Operator | Oct 1991 |
99 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jul 2024 |
100 | EP Energy E&P Company, LP | Houston, TX 77210 | Oil & Gas Operator | May 2022 |