The sugar refinery in Tulln was opened in 1937. The site in Tulln is nowadays home to the administration department of AGRANA Zucker GmbH as well as the central sugar storage facility in which all of the products obtainable under the Wiener Zucker brand in Austria are manufactured, packaged and fully automatically stored in and shipped from a high-bay warehouse with a capacity of around 8,000 tonnes of sugar. Europe’s second largest sugar silo, with a capacity of around 70,000 tonnes, is located in Tulln.
The sugar refinery in Leopoldsdorf, built in 1901/02, was originally intendet for processing raw sugar. It was converted to a white sugar refinery in 1925. The Leopoldsdorf facility mainly ships sugar in bulk or packaged quantities (bis bags or 50 kg bags) to the food processing industry.