Commercial and residential carpentry and general contracting.

IHC began in 1906 as a General Contracting firm. Throughout our history, we have expanded and modified our firm to reflect what Owners and purchasers of construction services need and desire. At our

Contractors, construction managers, & design builders of commercial, industrial, educational, medical facilities, recreational, and municipal. Single source of responsibility and control.

Peak Construction Corporation is a privately held, well-capitalized design-build firm, based in Chicago with a national reach.

Shales McNutt Construction (SMC) is the leading construction management, design-build, and general contracting firm serving northern Illinois.