Hegre, McMahon & Schimmel, LLC 3 years ago ID: #405099 Listed In : Healthcare 600 Enterprise Dr #109 Oak Brook, IL 60523 312-345-6201 http://hmscpatax.com/ Business Description Hegre, McMahon, Schimmel, LLC is a full service middle market certified public accounting (CPA) firm, with two locations (Oak Brook, IL and Merrillville, IN). Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : Steve Lombardo Member Entrepreneurial CPA