Public institutions:
- State Museum and Memorial Auschwitz-Birkenau
- International Center for Education about Auschwitz and the Holocaust
- Department of Commerce and Investment of the Consulate of Republic Poland in Cologne
- Ministry for Agriculture and Development of Rural Areas of Republic Poland
- European Documentation Centre on the University of Cologne
Other customers:
- BPV Medien Vertrieb GmbH & Co. KG
- NOTA Zakład Mechaniki Precyzyjnej
- MEMA
- JAG Personal
- FABEXPO
Community of Engelskirchen and Town Twinning Council for Engelskirchen and Mogilno As well as courts, police stations, law firms, banks, public authorities, private customers and various medium-sized local companies.