Founded in 1927, Cemstone offers integrated concrete solutions to its customers in the Upper Midwest and across the United States. It offers a wide range of services to homeowners, contractors, architects and engineers. Some of the products offered include aggregates, ready mix concrete, masonry/landscaping and construction materials. The firm operates through Concrete Materials Inc. offering a complete line of concrete masonry units (CMUs) for commercial and residential construction. Cemstone acquired Owatonna Concrete and Rochester Brick to expand its distribution and provide decorative brick, as well as stone products to its customers.