UGI Corporation is a holding company that operates through its subsidiaries in the energy distribution, storage, and services industries. The company's subsidiaries include UGI Utilities, AmeriGas, and UGI International. UGI Utilities provides natural gas and electric service to customers in Pennsylvania. AmeriGas is the largest retail propane marketer in the United States. UGI International distributes liquefied petroleum gas in Europe. UGI Corporation was founded in 1882 and is headquartered in King of Prussia, Pennsylvania.