All Computer Repair Shops in Alpena, Michigan, United States Search View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Thor Computer Systems Address: 3109 U.S. 23, Alpena Michigan 49707 No Reviews : 9:30 AM - 5:30 PMMon9:30 AM - 5:30 PMTue9:30 AM - 5:30 PMWed9:30 AM - 5:30 PMThu9:30 AM - 5:30 PMFriClosedSatClosedSunClosed No Records FoundSorry, no records were found. Please adjust your search criteria and try again. Google Map Not LoadedSorry, unable to load Google Maps API.