1. Balfour Beatty Plc
2. Boral Limited
3. Bouygues Construction
4. Cemex Sab De Cv
5. Elementbau Osthessen Gmbh & Co Elo Kg
6. Gulf Precast Concrete Co Llc
7. Holcim
8. Julius Berger Nigeria Plc
9. Laing O’Rourke
10. Larsen & Toubro Limited
11. Oldcastle Infrastructure Inc
12. Olson Precast Company
13. Rinker Materials
14. Taisei Corporation
15. Wells Concrete