1. Swailes Plumbing & Heating
120 Flodin Rd, Gwinn, MI 49841
Coordinate: 46.41982,-87.4113
Phone: (906) 249-5016
2. Boyce Henley Construction Co
110 S State Highway M553, Gwinn, MI 49841
Coordinate: 46.39193,-87.40708
Phone: (906) 346-3028