American Electric Power

Arizona Public Service

Arizona Public Service

Arizona Public Service

Ascend Performance Materials

Ascend Performance Materials

Ascend Performance Materials

City Of Montreal

City Of Montreal

City Of Montreal

Electric Power Research Institute

Electric Power Research Institute

Electric Power Research Institute

Fluor Corp

Fluor Corp

Fluor Corp

Laborelec

Laborelec

Laborelec

NASA Ames Research Center

NASA Ames Research Center

NASA Ames Research Center

NTPC LTD

NTPC LTD

NTPC LTD

Northern Indiana Public Service Company

Northern Indiana Public Service Company

Northern Indiana Public Service Company

Sargent & Lundy LLC

Sargent & Lundy LLC

Sargent & Lundy LLC

Southern Company Services, Inc.

Southern Company Services, Inc.

Southern Company Services, Inc.