1. AECOM
2. Arup Group Ltd.
3. Clune Construction Company
4. CyrusOne
5. Cyxtera Technologies Inc.
6. DPR Construction
7. Fortis Construction Inc.
8. Gilbane Inc.
9. Hensel Phelps
10. HITT CONTRACTING INC.
11. Holder Construction Group
LLC
12. JE Dunn Construction
13. M. A. Mortenson Company
14. Nabholz Construction Corporation
15. Turner Construction Company