Supplementary Cementing Materials ASHCOR Technologies Ltd. (Fly Ash) BASF Admixtures Inc. (Silica Fume) Cementec Industries (Silica Fume and HardCem) ENX Inc. (Fly Ash and Blends) JR & W Consultants, Inc. (Silica Fume) Lafarge Canada Inc. (Fly Ash, Silca Fume, Slag Blends) Lehigh Hanson Canada (Fly Ash and Blends)
