Sempra is a US-based energy-services holding company that offers electricity and natural gas services to millions of people across 4,100 square miles. With its subsidiaries San Diego Gas & Electric Company and Sempra Texas Utilities, the company operates and manages transmission and distribution lines totalling 140,000 miles. The company, founded in 1998 and previously known as Sempra Energy, changed its name to Sempra in July 2021 and is headquartered in San Diego, California.