Heiko Voelker

Hartree Partners (UK) Ltd. engages in proprietary trading in crude oil and petroleum products. The company was founded on October 3, 1997 and is headquartered in London, the United Kingdom.

Part of Hartree Partners LP, Hartree Partners Power & Gas Co. (UK) Ltd. is a British company that explores, produces, purchases, transports, and sells crude oil. The company is based in London, UK and was founded in 2001.

Part of Hartree Partners LP, Hartree Partners Advisory Services U.K. Ltd. provides business advisory services. The company is based in London, UK and was founded in 2001.

Part of Hartree Partners LP, Sprague Resources GP LLC engages in the purchase, storage, and distribution of refined products and natural gas. The company is based in Portsmouth, NH. Sprague Resources GP was acquired by Hartree Partners LP from Sprague Resources Holdings LLC on May 28, 2021.

Douglas Terminals NV operates as a liquid bulk storage terminal. It offers jet fuel, gasoil, diesel, and biodiesel. The company was founded on April 7, 2016 and is headquartered in Ghent, Belgium.