1. AECOM
2. Aedas
3. Bentley Systems
Incorporated
4. CityCAD Technologies Limited
5. Foster + Partners
6. Gensler
7. HDR Inc.
8. HKS Inc.
9. HOCHTIEF Aktiengesellschaft
10. HOK Group Inc.
11. IBI Group Inc.
12. Jacobs Engineering Group Inc.
13. Nikken Sekkei Ltd.
14. PCL Constructors Inc.
15. Perkins Eastman
16. TestFit Inc.