1. MSI Data 10033 N Port Washington Rd Ste 200, Mequon, WI 53092 Coordinate: 43.20052,-87.9249 Phone: (262) 241-7800
2. Teleco Systems Inc 7777 W Bonniwell Rd, Mequon, WI 53097 Coordinate: 43.26411,-88.00693 Phone: (414) 350-8218