Member of

• IAI - International Alliance for Interoperability
  

  

• Open Drawing Alliance 

  

• SZS - Steel building Switzerland 

• IFBS - Industrial alliance for construction-systems
  

• DSTV - German Steel Building Alliance

• Industrial Union Steel - NRW

©Industrieallianz für Interoperabilität e.V. / Open Design Alliance / Stahlbau Zentrum Schweiz