NuStar GP Holdings owns general partner and limited partner interests in NuStar Energy, one of the nations largest asphalt refiners and marketers and operators of petroleum product terminals and petroleum liquids pipelines. The general partner manages the business affairs of NuStar Energy, which is a master limited partnership based in San Antonio with 9,063 miles of pipeline, 86 terminal facilities and four crude oil storage facilities. It has assets strategically located in major United States markets and in the Netherlands, Canada, Mexico and the United Kingdom. NuStar Energys asphalt refineries, refined product terminals, petroleum and specialty liquids storage and terminaling operations and crude oil storage tank facilities are predominantly located on waterways that are easily accessible by barge or vessel. Altogether, these facilities have over 86 million barrels of storage capacity. NuStar Energy is located in San Antonio.