1. BASF Construction Chemicals LLC
2. Sika Qatar LLC
3. Al Gurg Fosroc
4. Sodamco-Weber Qatar W.L.L
5. Mapei S.p.A
6. Don Construction Products Qatar W.L.L.
7. Corrotech Qatar W.L.L
8. W. R Grace & Co.
9. Chryso SAS
10. The Dow Chemical Company