Welcome! As one of the earliest and largest professional manufacturers of precast building components and accessories.

Overland Concrete Supplies Co is headquartered in Saint Louis, Missouri with two manufacturing facilities in Shandong, China and one manufacturing facility in Vietnam. Our sales, customer service, engineering and warehousing are throughout North America. OLC got its start when the Company wanted to serve its customers closely back in 2018. With the expertise we have in precision machining, OLC specializes in custom accessories specific to the precast and prestressed industries. Our global manufactures bring high quality and low-cost products directly to our U.S. Customers with no middlemen required, exceptional customer service and expert advice. To this day OLC continues to prepare and position itself to be on the cutting edge and the leader in the marketplace.