The Foundations of Johnco Construction, Inc.

At Johnco Construction, we strive to deliver quality and we work to create relationships with everyone involved. With a wide variety of experience in several markets, we are able to serve different needs and ensure your project will be managed professionally and diligently. The importance of the project to each Owner is understood by Johnco from day one. Creating an atmosphere based on integrity allows our clients to feeling comfortable knowing their projects are in good hands when they hire Johnco.

We specialize in education, higher education, commercial and military construction projects throughout Illinois. We are honored to have been given the opportunity to build many of the school buildings, offices, and other structures that support our community.

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We Specialize In
General Contracting

Make no mistake about the construction industry; collectively, we are the problem-solvers, the doers, and the innovators. Johnco Construction serves communities, businesses and the...

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Design Build

Our project team works with the Owner toward the common goal of achieving improved functionality, lowered costs and higher quality during the pre-bid planning...

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Construction Management

Construction management optimizes the allocation of time, money, and resources. This process allows each contractor on the project to perform their best work, while...

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