K-Five Construction Corporation Company, based in Westmont, IL, is a fourth generation family owned and operated road constru ... ction firm. We are currently one of the Chicago region's largest asphalt and concrete paving contractors, with unlimited Illinois Department of Transportation (IDOT) bidding capacity. Operating five asphalt plants and numerous portable concrete plant facilities has enabled K-Five to establish a solid reputation working with both public and private customers in Illinois and northwest Indiana. read more