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Our Membership
Midwest Ozone Group
Ameren Corporation
Ameren Illinois
Ameren Missouri
Ameren Transmission
American Electric Power System
Appalachian Power Company
AEP Generating Company
AEP Generation Resources Inc.
Columbus Southern Power Company
Indiana Michigan Power Company
Kentucky Power Company
Ohio Power Company
Public Service Company of Oklahoma
Southwestern Electric Power Company
Wheeling Power Company
American Forest and Paper Association
American Iron and Steel Institute
American Wood Council
Appalachian Region Independent Power Producers Association
Associated Electric Coop.
Berkshire Hathaway Energy
PacifiCorp
Mid American Energy Company
NV Energy
Big Rivers Electric Corp.
Buckeye Power, Inc.
Citizens Energy Group
Cleveland Cliffs
Council Of Industrial Boiler Owners (CIBO)
Duke Energy Corp.
East Kentucky Power Cooperative
ExxonMobil
FirstEnergy Corp.
Hoosier Energy REC
Indiana Energy Association
Indiana-Kentucky Electric Corporation
Indiana Municipal Power Agency
Indiana Utility Group
LGE/KU
Marathon Petroleum Company
National Lime Association
North American Stainless
Nucor Corporation
Ohio Utility Group
Ohio Valley Electric Corp.
Olympus Power
Springfield (IL) City Water, Light & Power
Steel Manufacturers Association
Wabash Valley Power Alliance
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