B

B E C Unit Study Group
B. T. Operating Co.
Babcock & Brown Energy Inc.
Bain Capital / Sankaty Advisors
Bakersfield Energy Resources Inc.
Balcones Production Co.
Baltimore Natural Gas Inc.
Bank of America
Banque Paribas
Bargo Energy Co.
Barnes Oil & Gas LLC.
Barrett Resources Corp.
Basa Petrofound
Basic Earth Science Systems Inc.
Basin Petroleum Inc.
Bataa Oil Inc.
Baycorp Holdings Ltd.
Bayou Petroleum Co.
Beamon-Lundell
Bear Paw Energy Inc.
Belden & Blake Corp.
Bellwether
Bently Simonson
Benz Energy Ltd.
Berea Associates LLC.
Berenbaum & Weinschienk PC.
Bernt Ward
Beryl Oil & Gas LP.
Beusa Energy Inc.
Bharat Petroleum Corp. Ltd.
BHP Petroleum Inc.
Bjork Lindley Little PC.
Black Stone Minerals
Blacksand Energy Inc.
Bledsoe Petroleum Corp.
Blue Chip Oil
Blue Moon Exploration Co.
BNG Inc.
BNP Paribas
Boggeln & Co.
Bolt Energy Ltd.
Bonanza Energy Ltd.
Boney Enterprises
Boral Energy Ltd.
Borglum/Carter Royalty Interest
Bounty Group Inc.
Bowerman, Bowden & Moothart
BP PLC.
Brammer-Keystone Energy LLC.
Breaker Energy
Breitburn Energy Co. LLC.
Bridge Oil (U.S.A.) Inc.
Bridgemark Corp.
Brigham Exploration Co.
Bristow Hackerman Peterson PC.
British Borneo Exploration Inc.
Broad Street Financial Co.
Brooks Exploration Inc.
Browning Oil Company Inc.
BTA Oil Producers
Buckley & Mathews LLP.
Bunnell, Woulfe, Kirschbaum, Kell
Burns, Figa & Will PC.
Butler & Binion
BWAB Inc.
B J Services
BA Properties Inc.
Badger Oil Corp.
Baker Hughes Inc.
Bakrie Minerak Energy Inc.
Ballard & Associates Inc.
Banc One
Bankers Trust
Barclays Capital
Bariven SA.
Barons Capital Inc.
Barrow Worley Resources
Basa Resources Inc.
Basin Exploration Inc.
Bass Enterprises Production Co.
Batoche Energy Corp.
Bayerusche Hypo-Und Vereinsbank A
Baytex Energy Trust
Bear Cub Energy LLC.
Bearspaw Vista Resources Ltd.
Bellmeade Capital Partners LLC.
Benson-McCown and Co.
Benton Oil and Gas Co.
Berco Resources Inc.
Berea Oil & Gas Corp.
Berenergy Corp.
Berry Petroleum Co.
Beta Oil & Gas Inc.
BGT Green Valley Energy Project
BHP Billiton Petroleum
Bill Barrett Corp.
Black Stone Energy Co.
Blackhawk Oil & Gas Ltd.
Blackwell Operating Co.
Blue Berry First Nations
Blue Dolphin Energy Co.
Bluerock Group
BNP Oil & Gas Properties Ltd.
BNP Petroleum Corp.
Bold Energy LP.
Bonanza Creek Oil Co. LLC.
Bonavista Energy Trust
Bonneville Fuel Corp.
Border to Border Exploration LLC.
Boundry Creek Resources Ltd.
Bow Valley Energy Ltd.
Boyd & McWilliams Energy Group
Bradlely Energy U.S.A.
Brazalta Resources Corp.
Brechtel Energy Corp.
Bridas Corp.
Bridge Resources Corp.
Briggs-Cockerham LLC.
Brimm Energy Corp.
British Acadian Ltd. Inc.
British Gas and Exploration Inc.
Brock Exploration Corp.
Broughton Associates JV.
BT Alex Brown
Buck Creek Associates
Bula Resources Ltd.
Burlington Resources
Burren Energy PLC.
Butler, Snow, O’Mara, Stevens & Co.
Byers Petroleum Inc.