Get it done safely. Get it done on budget. Get it done on time. These aren’t empty promises at DePue Mechanical. They’re a way of life. DePue Mechanical has been proudly serving the industry in the Illinois Valley, Joliet and the Chicagoland area since 1964. As a partner in all your boiler, piping, HVAC, and process mechanical needs, the DePue Team of Professionals offers you the experience, expertise and track record to professionally handle everything from minor repairs to a grass-roots plant addition. Our client-partners distinguish DePue Mechanical as best-in-class. Each and every DePue mechanic passes our stringent standards for safety, productivity and professionalism. You’ll see what a difference those standards make in your next project.