Headquarters
107 W FIRST ST, MACKINAW, IL 61755, US
MACKINAW, IL, US
From the company
Johnco Construction is a commercial general contractor based in Mackinaw, Illinois, founded in 1986 and led by the father-son team of Bob and Paul Berns. The company specializes in education, higher education, commercial, institutional, healthcare, faith-based and military construction projects throughout Central Illinois, offering general contracting, construction management and design-build services.
107 W FIRST ST, MACKINAW, IL 61755, US
Quantities, certifications, and timing.