Exceptional People Exceptional Benefits Exceptional Company Salt River Materials Group is a unique and progressive company leading the construction materials industry supplying cement, aggregate and fly ash products. SRMG is big enough to offer a range of career opportunities, from our laborers, heavy equipment operators, and administrative personnel to engineers and various other professional positions. Yet, Salt River Materials Group is small enough for employee contributions to be noticed and recognized. We invest in our employees through training and development opportunities to allow our employees to grow in their careers. With a constant focus on people and the environment, our philosophy of continuous improvement promises to make the next fifty years even more exciting than the last.