1. Abu Dhabi Precast LLC
2. ACS Group
3. Atco Group
4. Balfour Beatty PLC
5. Boral Limited
6. Bouygues Construction SA
7. Cemex S.A.B. De C.V.
8. Clark Pacific
9. Consolis Group SAS
10. CRH PLC
11. DeVinci Precast
12. Fabcon Precast
13. GCP Applied Technologies Inc.
14. Gulf Precast
15. Hard Precast Building Systems
16. High Concrete Group
17. Holcim Ltd.
18. Julius Berger Nigeria PLC
19. Kiewit Corporation
20. Larsen & Toubro Limited
21. NAPCO Precast
22. Precast Concrete Sales Company
23. Precast Manufacturing Company
24. Red Sea International
25. Seminole Precast Manufacturing Inc.
26. SI Precast Concrete
27. Skanska AB
28. Taisei Corporation
29. Tindall Corporation
30. Vinci SA