Salt River Materials Group manufactures and markets concrete aggregates meeting the requirements of ASTM C 33 and structural lightweight aggregates meeting the requirements of ASTM C 330 to complement fly ash and the Phoenix Cement® line of Portland and blended cements. Throughout the Valley of the Sun, strategic locations offer ready-mix concrete producers the opportunity and convenience to locate batching equipment on-site. Not only do our customers minimize transportation costs, but also enjoy the benefits of trusting SRMG to supply all the raw materials necessary for quality concrete production. From concrete paving to shotcrete construction, chances are great that you have walked, driving or splashed in a pool that was constructed with SRMG aggregates