1. Atlas Copco
2. BASF SE
3. BLASTCRETE EQUIPMENT
LLC
4. CEMEX S.A.B. de C.V.
5. CIFA S.p.A.
6. Compagnie de Saint-Gobain S.A.
7. DUX Machinery Corporation
8. GCP Applied Technologies Inc.
9. Heidelberg Materials AG
10. Holcim (Australia) Pty Ltd.
11. Luossavaara-Kiirunavaara AB
12. MAPEI S.p.A.
13. MC-BAUCHEMIE M?LLER GmbH & Co. KG
14. NATIONWIDE SHOTCRETE Inc.
15. Normet Group
16. NV Bekaert SA
17. Putzmeister America Inc.
18. Reed
19. Risen Machinery Co. Ltd.
20. Rockbond Special Concrete Products Limited
21. Sika AG
22. The Euclid Chemical Company
23. The QUIKRETE Companies
24. US Concrete Products