Lockheed Martin Corporation
Defense, aeronautics, and systems engineering company
DTE Energy
Electric utilty company supplying electricity for residential and commercial use
PNM Resources
Electric utilty company supplying electricity for residential and commercial use
PPL
Electric utility company supplying electricity for residential and commercial us
Reliant Energy
Electric utility company providing electricity for residential and/or commercial
Edison International
Electric utilty company supplying electricity for residential and commercial use
Duke Energy Corporation
Electric utilty company supplying electricity for residential and commercial use
Allegheny Energy, Inc.
Electric utilty company supplying electricity for residential and commercial use
Xcel Energy Inc.
Electricity and Natural Gas Company serving several Midwestern and Western states. Revenues are $11 billion.