Holly Energy Partners, L.P. (HEP) serves as a crucial infrastructure provider for the United States' petroleum sector, delivering essential services such as the transport, storage, and handling of both crude oil and refined petroleum products. The company's operations are organized into two primary divisions: Pipelines and Terminals, and Refinery Processing Units. Its extensive pipeline network facilitates the movement of a broad spectrum of energy commodities. This includes various refined products like conventional, reformulated, and low-octane gasolines (for oxygenate blending), sulfur diesel, jet fuels, and liquefied petroleum gases. Furthermore, HEP manages intermediate product pipelines for feedstocks and crude oils, alongside intricate crude oil trunk, gathering, and connection lines designed for efficient crude delivery. The company possesses a robust asset portfolio, featuring 26 main pipelines, comprehensive crude gathering systems, 10 refined product terminals, a crude terminal, and a lube terminal. Its capabilities are further enhanced by 31,800 track feet of rail storage, truck and/or rail rack facilities at seven sites, tankage at six distinct refining locations, and five refinery processing units. Established in 2004, Holly Energy Partners is based in Dallas, Texas.