Martin Marietta Aggregates 1720 Highway 117 S Colfax, IA 50054 Phone : (515) 674-3522 Martin Marietta Aggregates Business Category Building Materials Sand & Gravel (Wholesale) Stone Crushed Retail Concrete Aggregates (Wholesale) Crushed & broken stone Construction Sand & Gravel Sand & Gravel-Manufacturers Cut stone & stone products Stone Crushed (Wholesale) Masonry Materials & Supplies Products           Gravel, Sand, Stone