Edison International is a renewable energy company, which through its subsidiaries, generates and distributes electric power, and invests in energy services and technologies. The company is headquartered in Rosemead, California and currently employs 13,483 full-time employees. The firm is focused on providing clean and reliable energy and energy services through its independent companies. The company is the parent holding company of Southern California Edison Company (SCE) and Trio. SCE is a public utility primarily engaged in the business of supplying and delivering electricity to an approximately 50,000 square mile area across Southern, Central and Coastal California. Trio is a global energy advisory firm providing integrated sustainability and energy advisory services to large commercial, industrial and institutional organizations in North America and Europe. Trio provides integrated strategy and implementation solutions in sustainability, renewables, energy procurement, conventional supply, energy optimization and transportation electrification.