Carnahan Construction, in Colchester, IL, is the leading construction company serving Colchester, Macomb, and all of McDonough county since 1999. We specialize in tar and chip paving. We also offer asphalt and concrete services, seal coating, excavation, dirt hauling, general contracting, and much more. For more information, call Carnahan Construction in Colchester. We are available by appointment only on Saturday.