العضوية
- IG Kontorhausviertel – Kontorhausviertel Consortium
- HIKB – Hamburg Chamber of Engineers - Construction
- VDI-Bautechnik – The Association of German Engineers
- VDEI – The Association of German Railway Engineers
- dena – Federal List of Energy Efficiency Experts
- AISC – American Institute of Steel Construction
- bSD – buildingSMART Germany
- vpi-EBA – Association of Technical Experts/Review Engineers for Structural Design Documentations in Railway Constructions
- BVPI – Association of Technical Experts/Review Engineers for Structural Design Documentations
- VFIB – Association for Promoting Quality in Education and Training for Inspection Engineers
- HTG – German Port Technology Association
- ISWIM – International Society for Weigh In Motion
- DGGT – German Geotechnical Society