- Architects’ Council of Europe (ACE)
- European Asphalt Pavement Association (EAPA)
- American Council of Engineering Companies (ACEC)
- European Federation of Management Consulting Associations (FEACO)
- European Union of Developers and House Builders (UEPC)
- International Federation of Consulting Engineers (FIDIC)
- European Construction Industry Federation (FIEC)
- The European Cement Association (CEMBUREAU)
- European Services Forum (ESF)
- European Federation of Building and Woodworkers (FETBB)
- European Council of Civil Engineers (ECCE)
- European Council for Construction Research, Development and Innovation (ECCREDI)