Founded in 1956 and incorporated in 1970, Magruder Construction Co, Inc. offers a wide range of services through its four divisions; Dredging, Heavy Highway/Bridge Construction, Southeast Concrete and Pervious Concrete. The company has experience in private, commercial, state and federal projects. Some of the company s clients include Iowa Department of Natural Resources, Doe Run Mining, Rolwes Homes Inc., Colcon Construction Corp. and many more. Magruder Construction Co, Inc. is a division of the The Magruder Companies. It is one of the leading companies in the field of Pervious Concrete and Green Building systems.