USD Partners LP acquires, develops, and operates midstream infrastructure assets and logistics solutions for crude oil, biofuels, and other energy-related products in the United States and Canada. The company operates through two segments, Terminalling Services and Fleet Services. The Terminalling Services segment owns and operates Hardisty terminal, an origination terminal for loading various grades of Canadian crude oil onto railcars for transportation to end markets; Stroud terminal, a crude oil destination terminal, which is used to facilitate rail-to-pipeline shipments of crude oil located in Stroud, Oklahoma; Casper terminal, a crude oil storage, blending, and railcar loading terminal located in Casper, Wyoming; and West Colton Terminal, an unit train-capable destination terminals that trans load approximately 13,000 barrels per day ethanol received by rail from producers onto trucks. The Fleet Services segment provides leased railcars and fleet services related to the transportation of liquid hydrocarbons and biofuels. As of December 31, 2019, it operated a fleet of 1,683 railcars, including 1,308 coiled and insulated railcars, and 375 non-coiled and non-insulated railcars. USD Partners GP LLC serves as the general partner of the company. The company was founded in 2014 and is headquartered in Houston, Texas.