NuStar Energy L.P. is engaged in the transportation of petroleum products and anhydrous ammonia, and the terminalling, storage and marketing of petroleum products. Its segments include pipeline, storage and fuels marketing. Pipeline segment operations consist of the transportation of refined products, crude oil and anhydrous ammonia. Storage segment consists of its facilities that provide storage, handling and other services for petroleum products, crude oil, specialty chemicals, renewable fuels and other liquids. Fuels marketing segment includes its bunkering operations in the Gulf Coast, as well as certain of its blending operations associated with its Central East System. It has approximately 10,000 miles of pipelines and 64 terminal and storage facilities, which provide approximately 57 million barrels of storage capacity. It conducts its operations through its subsidiaries, primarily NuStar Logistics, L.P. (NuStar Logistics) and NuStar Pipeline Operating Partnership L.P. (NuPOP).