about us services gallery reviews contact portal about the company JAR Corp, Chicago’s premier general contracting firm, improves all facets of your home through ground up construction, complete renovations, interior/ exterior painting, custom finishes, and handyman/maintenance services. For over 20 years, our clientele from Chicago's Gold Coast and the North Shore, have experienced complete satisfaction with their enhanced homes. Call us to discuss your next construction or remodeling project. JAR Corp phone: 847.926.9476 | email: info@jarcorp.net find us on social media JAR Corp | All Rights Reserved | Created by Olive + Ash. Managed by Olive Street Design.