NuStar Energy L.P. is actively involved in the infrastructure for refined petroleum products, managing their transport, storage, and marketing both within the United States and across international borders. The company also facilitates the movement of crude oil and anhydrous ammonia. Its operations are structured across three primary divisions: 1. Pipeline: This segment is dedicated to the conveyance of refined products, crude oil, and anhydrous ammonia. 2. Storage: Through its network of terminal and storage facilities, this segment offers warehousing, handling, and supplementary services for a variety of liquids, including petroleum products, crude oil, specialty chemicals, and renewable fuels. It also provides an array of marine support services, such as pilotage, tug assistance, line handling, launch operations, and emergency response. 3. Fuels Marketing: This division focuses on bunkering activities, predominantly along the Gulf Coast, along with blending operations, and the acquisition and resale of various petroleum products. As of December 31, 2021, NuStar Energy commanded a substantial infrastructure, featuring: A refined product pipeline network totaling 3,205 miles spanning Texas, Oklahoma, Kansas, Colorado, and New Mexico. An additional 2,050-mile refined product pipeline stretching from southern Kansas to Jamestown, North Dakota. A 450-mile refined product pipeline originating from Marathon Petroleum Corporation's Mandan, North Dakota refinery and extending to Minneapolis, Minnesota. 2,230 miles of crude oil pipelines situated across Texas, Oklahoma, Kansas, Colorado, and New Mexico. A 2,000-mile pipeline specifically for anhydrous ammonia. A portfolio of 29 terminal and storage facilities, collectively offering an impressive storage capacity of approximately 44.2 million barrels. The company was founded in 1999 and its corporate headquarters are located in San Antonio, Texas.


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