IRMCA Home Available Resources Scholarship Industry Links Concrete Topics Members Photo Gallery Member Info Association Events GENERAL RESOURCE TECHNOLOGY ADMIXTURES GENERAL RESOURCE TECHNOLOGY ADMIXTURES Associate Member        Contact William Collins, President   Address 2978 Center Ct. St. Paul MN 55121      Phone (800)324-8154   Fax (651)454-4252   Website www.grtinc.com           IRMCA Home Available Resources Scholarship Industry Links Concrete Topics Members Photo Gallery Member Info Association Events