1. Trinity Masonry & Concrete 1461 E 2nd St, Duluth, MN 55805 Coordinate: 46.80254,-92.08187 Phone: (218) 461-8906
2. Black Goose Chimney & Duct 1932 W Michigan St, Duluth, MN 55806 Coordinate: 46.76757,-92.12213 Phone: (218) 721-3192