The company was founded in 1963 and is based in Aschaffenburg, Germany with operations in Europe. As of January 31, 2017, UNION TANK Eckstein GmbH & Co. KG operates as a subsidiary of Edenred SA.UNION TANK Eckstein GmbH & Co. KG engages in the issue of fuel and service cards for commercial goods transport and transportation of passengers in Europe.