Ferrellgas Partners, L.P. retail distribution and sale of propane, and related equipment and supplies in the United States, the District of Columbia, and Puerto Rico. It transports propane to propane distribution locations, tanks on customers' premises, or to portable propane tanks delivered to retailers. The company also conducts portable tank exchange operations under the Blue Rhino brand name through a network of partnership-owned and independently owned distribution outlets. In addition, its propane is primarily used for space and water heating, cooking, outdoor cooking using gas grills, crop drying, irrigation, weed control, and other propane fueled appliances; as an engine fuel for combustion engine vehicles and forklifts; and as a heating or energy source in manufacturing and drying processes. Further, the company is involved in the sale of refined fuels; provision of common carrier services; and retail sale of propane appliances and related parts and fittings, as well as other retail propane related services and consumer products. It serves residential, industrial/commercial, portable tank exchange, agricultural, wholesale, and other customers. Ferrellgas Partners, L.P. was founded in 1939 and is based in Liberty, Missouri.