Company History


Bill Katter joins Interstate Development as a partner, to lead its institutional investment activities.


Mike Holst joins Interstate Development as a partner, to lead its multifamily development activities.


Minnesota office rebrands to Interstate Development.


Simmer and Provencher acquire Miller and Brzezinski’s interests of the Minnesota office. Interstate (MN) is listed as the 17th most active developer in the Twin Cities (682,000 square feet 2013-2015).


Simmer and Provencher, along with Interstate’s principal-founders Greg Miller and Fran Brzezinski, establish an independent Minnesota office.


Eric Simmer and Lonnie Provencher join Interstate Partners as partners, to lead its industrial, multifamily, retail and specialty development activities.

2000 – 2013

Interstate develops and acquires nearly 5,500,000 square feet of commercial space throughout the region, using its own equity alongside outside investor equity.


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.