Edison International

Southern California Edison SSI Division

SAS Division and Bishop Hydro Division

Motorola

Energy Services, Inc.

Texaco

Sierra Pacific Power Co.

U. S. Department of Energy

The Gas Company

CA Department of Corrections

Fuel Solutions

Natural Fuels

CH2M Hill

Westinghouse

CBS Corporation

Foxboro Corporation

Dublin Automation

Reliant Energy

Nevada Power

NRG

AES

Los Angeles County Public Works

City of Los Angeles

Los Angeles Department of Water and Power

City of Glendale

City of Riverside

City of Santa Clara

City of Culver City