Tunneling and underground mining drills 1991 United States, SLC, Utah
Light Drills 2010 United States, SLC, Utah
Drilling equipment accessories and parts United States, Lake Point, Utah
Drilling equipment accessories and parts 2014 United States, Lake Point, Utah
Tunneling and underground mining drills 1997 United States, SLC, Utah
Tunneling and underground mining drills 2015 United States, SLC, Utah