About APEX Exteriors The staff at Apex would like to thank you for taking the time to get to know us. Apex is an exterior company that specializes in residential restorations and association services. We service the Madison, Wisconsin region and the greater Metropolitan Chicago area. Our crews always keep your satisfaction and needs in mind. We want to be your "One Stop Shop" company because once you see our exceptional services you won't trust anyone else. We're not a "jack of all trades" run of the mill place but a Master Craftsman Accredited Business. We have over 30 years of experience! We have memberships with many associations such as the CAI, BBB, and Chambers of Commerce.