Headquarters Aachen
Im Suesterfeld 5–7
52072 Aachen
Germany
Phone: +49 241 400 23-0
Fax: +49 241 400 23-109
E-mail: aachen@soptim.de
Branch office Essen
Dietrich-Oppenberg-Platz 1
45127 Essen
Germany
Phone: +49 241 400 23-0
Fax: +49 241 400 23-518
E-mail: essen@soptim.de