Magellan Midstream Partners LP engages in the transportation, storage, and distribution of petroleum products. It operates through the following segments: Refined Products, Crude Oil, and Marine Storage. The Refined Products segment consists of the common carrier refined products pipeline system, independent terminals, and its ammonia pipeline system. The Crude Oil segment consists of crude oil pipelines and splitter and storage facilities which are used for contract storage. The Marine Storage segment includes marine terminals located along coastal waterways. The company was founded in August 2000 and is headquartered in Tulsa, OK.