Company History


Interstate Partners is formed to purchase sixty-seven percent of Wispark, a division of WI Energy, real estate holdings With the acquisition of Wispark, Interstate opens three regional offices in Wisconsin, Illinois and Minnesota

2000 – 2013

Interstate develops and acquires nearly 5,500,000 square feet of commercial space throughout the region


Interstate Partners brings on two new partners, Eric Simmer & Lonnie Provencher


Simmer and Provencher peel-off the Minnesota office along with two of the founders Greg Miller and Fran Brzezinski


Simmer & Provencher acquire remaining interest of Minnesota region from Brzezinski & Miller Interstate (MN) listed as 17th most active developers in the Twin Cities (682,000 sq ft 2013-2015) – MN Business Journal


Interstate Partners – Minnesota rebrands to Interstate Development