Public Service Enterprise Group, established in 1985, produces and distributes electric energy and natural gas throughout United States. The group also has coal and fossil generating facilities and nuclear energy plants located in New Jersey. It operates through its various subsidiaries, including Public Service Electric and Gas Company, PSEG Power and PSEG Energy Holdings. Public Service Electric and Gas Company transmits and sells energy related products and services to commercial, residential and industrial customers. PSEG Power operates as an independent wholesale energy supply company in the northeastern United States. It also offers energy trading and marketing and risk management services. PSEG Energy Holdings undertakes energy-related financial transactions and offers various lease options, including leveraged, operating, buyout, limited partnerships and marketable securities. Public Service Enterprise Group is headquartered in Newark, N.J.