The OPEN BUILDING AUTOMATION marketplace is a joint venture between MarDirect and TEMA AG. It is supported by Messe Frankfurt and the participating associations.


TEMA Technologie Marketing AG
Hans Symanczik
Aachener-und-Münchener-Allee 9
52074 Aachen
Tel.: +49 30 8973791-18
Email: symanczik(at)

MarDirect Marketing Direct GbR
Bruno Kloubert
Droste-Hülshoff-Str. 1
44141 Dortmund
Tel.: +49 231 4278 1657
Email: kloubert(at)