PPL Corporation (PPL)
PPL Corporation, an energy company, focuses on providing electricity and natural gas to approximately 3.6 million customers in the United States.
Edison International (EIX)
Edison International, through its subsidiaries, engages in the generation and distribution of electric power.
Entergy Corporation (ETR)
Entergy Corporation, together with its subsidiaries, engages in the production and retail distribution of electricity in the United States.