We are the leading trade Association for the commercial construction industry in Lake County, Chicagoland, surrounding counties, the State of Illinois and the Great Lakes Region. United with our membership, we offer programs and events designed to promote safety, education, government relations and camrarderie among our members.


The Great Lakes Construction Association (GLCA) is your gateway to the best information concerning the Commercial Construction Industry in our region! As a member of the GLCA you and your employees will keep current with what is happening in the industry. You’ll have an effective voice in Government Affairs at all levels as the GLCA works with other leaders in our industry to achieve our common goals. We build solid relationships within our membership, a very active and engaged group that includes Contractors, Subcontractors, Associates and Suppliers. The GLCA is an Association that promotes union construction and growth in Illinois.