Diamond Z Manufacturing When it's time to clean things up, Diamond Z is the Grinder of Choice. Designed and built in America to handle the toughest, most complex jobs in the world. Productive, reliable and highly versatile- with a proven track record to back it all up. Home I About Us I Support I Contact Us I Links Diamond Z Manufacturing 11299 Bass Lane, Caldwell, Idaho 83605 Phone:1.800.949.