1. Praetorian Secure 9170 Copper Ridge Way, Davison, MI 48423 Coordinate: 42.99253,-83.53144 Phone: (248) 953-3853
2. Citadel Systems 8206 E Richfield Rd, Davison, MI 48423 Coordinate: 43.06252,-83.54968 Phone: (810) 658-8396