100%
EMPLOYEE
OWNED
Trusted and reliable general contractors in Chicago for 188 years. Our building solutions are backed by a wealth of practical experience in various fields. From residential and commercial projects to industrial and institutional constructions, we have successfully delivered projects of different scales and complexities. Our team's extensive knowledge and hands-on expertise allow us to provide innovative and tailored solutions for each unique project.
Chicago Art Institute, Circa 1962
The business of construction has changed dramatically since our inception 188 years ago. We, being a leading construction company, take pride in maintaining our responsibility, a responsibility to help you as construction innovators and provide effective professional and quality services within your budget and time. We are an employee-owned and operated business and an ideal destination for construction management in Illinois.
We have proficiency in assisting all pre-construction and construction phase activities. Our mastery in cost estimating, value engineering, scheduling and construction supervision, and construction insight help us to ensure every step flows smoothly right from project concept to completion.
Nestled in the heart of the Belmont Cragin Neighborhood in Chicago, Illinois. The new stadium is a modern sports venue that blends functionality, community spirit, and architectural craftsmanship. Completed in 2025, the facility features tiered seating with clear sight lines for spectators, durable materials designed to endure Illinois’ changing seasons, and state-of-the-art amenities that enhance both player and fan experiences.

GSCC began work on the new Student Services building for College of Lake County under CDB contract in the Fall of 2020 with learning space which will include a library, testing rooms, laboratories, a Welcome and One Stop Center, career offices, general education class rooms and a large multi purpose space complete with exterior terrace on the 5th Floor.

The Army National Guard Readiness Center and Army Aviation Support Facility (AASF) in Kankakee, Illinois, is among the largest projects undertaken by the Illinois National Guard.

This new Early Childhood Development Center was the first phase of Coal City Unit School District #1’s expansion program.