1. Ellefson Sales & Excavating
290 113th Ave SE, Cooperstown, ND 58425
Coordinate: 47.37113,-98.13544
Phone: (701) 797-3428
2. Griggs County Road Department
505 16th St SE, Cooperstown, ND 58425
Coordinate: 47.4488,-98.11321
Phone: (701) 797-3420