For more than 60 years, DeGraf Concrete Construction has been in the concrete construction business. The company specializes in heavy structural construction of commercial, retail and institutional buildings. It works in the seven Chicagoland counties including Cook, Lake, DuPage, McHenry, Kane, Kendall and Will. Degraf holds a City of Chicago Mason Contractor s License and is a union company. DeGraf Concrete Construction is a member of the Concrete Contractors Association of Greater Chicago, the American Concrete Institute and the American Concrete Pumping Association. DeGraf Concrete Construction is headquartered in Wheeling, Ill., located in north Chicago.