NuStar Energy L.P. was a publicly traded master limited partnership (MLP) engaged in the terminalling and storage of petroleum products, transportation of petroleum products and anhydrous ammonia, and marketing of petroleum products. The company operated through three segments: storage, pipeline, and fuels marketing. NuStar’s assets included refined product terminals, crude oil storage tanks, and pipeline networks. On May 3, 2024, Sunoco completed its acquisition of NuStar Energy L.P., and NuStar shares were delisted.