$10 Billion Energy Company
$4 Billion Distribution Company
Allegheny Energy
Alpha Natural Resources 
Atlantic Refining 
Calpine Canada
Dominion Petroleum
Energy Future Holdings
Entegra Power
Evergreen Solar
Fletcher Oil
Flying J 
Global Marine
Hercules Offshore
Homer City Generation
James River Coal 
Long Island Lighting
Maxus Energy
Milagro Exploration 
Mirant Americas Generation
New Gulf Resources
NRG Energy
Oxford Mining
Pacific Energy
Pacific Exploration & Production
Patriot Coal
Peabody Energy
Petroflow Energy
Placid Oil 
PostRock Energy Services
Preferred Sands
Public Services Company of New Hampshire
Quest Cherokee
Quest Resources
Sabine Oil and Gas
Swann Oil
Teco Power 
Vulcan Coal/Triton Coal
Walter Energy
Washington Group International
Westmoreland Coal