Intermountain Irrigation, Inc. was established in 1980 as a small pipe repair business.  Swede Richardson opened this business along with his son, Jim, and wife, Jackie, in hopes of providing Dillon and the surrounding area with quality service that seemed to be missing from the area.  Since then, Intermountain Irrigation has grown into Montana's largest Zimmatic dealer, a successful provider of farm and ranch irrigation equipment, and a service leader in Montana.