The Public Service Enterprise Group (PSEG) is a publicly traded diversified energy company headquartered in Newark, New Jersey, US established in 1985 with a legacy dating back to 1903. The company's largest subsidiary is Public Service Electric and Gas Company (PSE&G). The Public Service Electric and Gas Company is a regulated gas and electric utility company established in 1928 serving the state of New Jersey and it is New Jersey's oldest and largest investor owned utility company; it was originally a subsidiary of the New-Jersey-based Public Service Corporation. From Wikipedia
