Located in Minto, ND, Harriston Industries was founded in 1973 by Tom and Tony Osowski. The company began as a light repair and manufacturing business, called Minto Machine Shop, and was rebranded as Harriston Industries in 1975 when they expanded the business to begin manufacturing potato and edible bean equipment.

In 2006, Harriston Industries and Mayo Manufacturing joined together as Harriston-Mayo to provide agricultural industries with a wide variety of the finest planting, growing, storage and loading equipment. Their line of products supplies growers with unmatched precision and gentle, yet high-capacity handling for a superior end result.