The sites in Hanover and Nienburg have been part of BASF since 2006. The production sites, including the emissions control catalysts site and the adsorbents site, are based in Nienburg/Weser, while sales, R&D and other administrative functions are located in Hanover.
The Hanover site is the European headquarters of the emissions control catalysts business unit, carrying out research, product development, sales, and other strategic operations. Products and technologies are tested on engine test beds located in the Engine Lab of BASF Catalysts Germany GmbH. In the Hanover Catalysis Lab, which opened in 2015, employees work to optimize the performance of emissions control catalysts for gasoline- and diesel-powered vehicles and test new raw materials.