Clean Harbors is a provider of environmental, energy and industrial services.
Portland General Electric Company is an integrated electric utility company.
EnerSys is a provider of stored energy solutions for industrial applications.
Mitie provides strategic outsourcing services.
Duke Energy makes life better for millions of people every day by providing affordable, reliable and increasingly clean energy.
SSE (formerly Scottish and Southern Energy) is a Scottish energy company.
Southern Company is an American gas and electric utility holding company.
Sunrun is a provider of residential solar electricity.
DTE Energy provides gas & electric utility services to MI homes and businesses.
Xcel Energy is engaged in the generation, purchase, transmission, distribution, and sale of electricity.
Ecolab is a global provider of water, hygiene and energy technologies and services.
Ameren Corporation operates as a public utility holding company in the United States.