South Eastern Wisconsin's only Certified Apple Specialist. Techwise Computers LLC, formerly Computize of Wisconsin, Inc. is a locally owned company located near Milwaukee, WI. We specialize in providing Macintosh Solutions for businesses, academics, and individual clients. Techwise is one of a select group of Apple Specialists, that sells, supports, and services Apple Products. We offer the complete line of Apple and Macintosh hardware, compatible software, and accessories. We are here to help you whether you are buying a single computer for your home, a workgroup of Macs for your business, or have needs for your current Mac.