St Marys Cement is a leading manufacturer and supplier of cement in the Great Lakes region in the United States and Canada. Headquartered in Chicago, Illinois, Prairie Material is one of the region’s premier providers of high-performance concrete and aggregates. Prairie Material’s specialized mixes are used in buildings that are transforming skylines and neighborhoods across Chicagoland. Operating as the North American region of Votorantim Cimentos (VCNA), St Marys Cement’s Great Lakes distribution network uses water, roads and railways to transport cement to where customers need it, while nearly 100 ready mix concrete and aggregates sites supply materials to support local construction projects across the region. Together, our North American businesses help us to deliver on Votorantim Cimentos’ global purpose, Life is made to last, making a positive long-term impact on people and our planet.​