1. Viking Automatic Sprinkler Company
4181 Thunderchief Ln, Hermantown, MN 55811
Coordinate: 46.81165,-92.1997
Phone: (218) 733-0962
2. Great Lakes Alarm & Security
5105 Morris Thomas Rd, Hermantown, MN 55810
Coordinate: 46.77893,-92.21726
Phone: (218) 724-4000