1978 - Don Moen opens Dakota Machine Tool Company, a business focused on machine tools and refurbishing machining equipment for resale.
1986 - Dakota Machine Tool transforms its shop for custom manufacturing and begins fabricating processing equipment from ASME pressure vessels to conveying systems.
1987 - Dakota Machine Tool begins building sugar beet pilers.
1990 - Otter Tail Corporation acquires Dakota Machine Tool.
1990s - Dakota Machine Tool responds to the boom in the sugar industry by designing and selling sugar diffusers.
1999 - Dakota Machine Tool begins manufacturing wind towers.
2001 - The company changes its name to DMI Industries. DMI is an acronym for “Discover Manufacturing Innovation.”
Oct. 2005 - DMI acquires a second manufacturing plant in Fort Erie, Ontario and begins renovating and modernizing it for wind tower fabrication.
May 2006 - Operations begin in Fort Erie. The company employs nearly 340 people in West Fargo and 140 in Ft. Erie. By the end of the year, the company adds 20 more.
May 2007 - DMI announces the acquisition of third fully dedicated tower facility in Tulsa, Okla. region.
Jan. 2008 – DMI begins manufacturing wind towers in Tulsa, Okla., less than a year after the facility was acquired.
March 2008 – Stefan Nilsson is named president of DMI Industries. He previously was a vice president with ABB Inc., a multinational engineering corporation and one of the world’s largest independent suppliers of internal components, controls and grid connections for wind-generated power projects
May 2008 – Facility in Tulsa, Okla. successfully meets standards in first customer inspection and releases first tower sections to be shipped to a wind farm site in northern Texas. June 2008 – DMI announces expansion projects to increase capacity by 40% at its West Fargo facility and 100% at its Tulsa facility.