Plains GP Holdings LP

Plains All American Pipeline (NYSE: PAA) is a publicly traded Master limited partnership in the oil pipeline transportation, marketing, and storage business in the United States, liquefied petroleum gas business in Canada, and natural gas storage business in Michigan and Louisiana. It owns about 37 million barrels (5,900,000 m³) of terminal and storage capacity and 15,000 miles (25,000 km) of crude oil pipelines. Source: Wikipedia