Pacific Gas and Electric Company, also known as PG&E, is one of the largest natural gas and electric utilities in the United States. The company, incorporated in 1905, serves business and residential customers. It employs a staff of more than 19,500 people. The company offers electric services for over 14 million people in an area of nearly 70,000 square miles in northern and central California. Pacific Gas and Electric Company is regulated by the California Public Utilities Commission. The company maintains approximately 40,100 miles of natural gas distribution pipelines. Pacific Gas and Electric Company operates as a subsidiary of PG&E Corporation.