Directions Coming from Vienna 

Freeway A1 - "Kleßheim" Exit

Please cross the first and the second traffic circle.
At about 150m pls turn right into the "Dr. Hans Lechnerstraße".
now you can see a big orange building, Company Grohmann.

Directions Coming from Munich or Klagenfurt 
 
Freeway A1 - "Siezenheim Gewerbegebiet"  Exit

Go straight ahead above the first crossing.
At about 200m turn left and then 200m straight ahead.
A big orange building is now on your right.