Founded in 1951, PEI is the international trade association for distributors, manufacturers and installers of equipment used in fuel marketing and fluid-handling operations at convenience stores, service stations, airport refueling operations, bulk plants and other locations. The Institute is comprised of more than 1,500 member companies in 50 states and 81 countries. Headquarters are located in Tulsa, Oklahoma. For more information, see www.pei.org