History of Indiana Michigan Power Center in Timeline

By Popular Timelines Editorial Team · Updated: April 1, 2025

The Indiana Michigan Power Center, formerly One Summit Square and the Summit National Bank Building, is the tallest office building in Fort Wayne, Indiana. It also holds the distinction of being the tallest reinforced concrete building in the state. The building is a prominent landmark in Fort Wayne.

1981: Recession

The recession of 1981-1982, along with a change in contractors that led to cost overruns, resulted in the completion of only one tower instead of the three initially planned.

1982: Recession

The recession of 1981-1982, along with a change in contractors that led to cost overruns, resulted in the completion of only one tower instead of the three initially planned.

1992: Summit Bank Sale

In 1992, Summit Bank, which was formed after People's Trust Bank merged with Indiana Bank, was sold to NBD Bank.

2014: Building Purchase and Renovation Pledge

In 2014, Hanning & Bean Enterprises, Inc. along with Simon Dragan and Pat Bruggeman purchased One Summit Square for $12 million, pledging $5 million in renovations.

2014: Indiana Michigan Power Naming Rights

In 2014, Indiana Michigan Power gained naming rights to One Summit Square, which was renamed Indiana Michigan Power Center.

2014: Window Garden Café

Until 2014, the thirteenth floor housed the Window Garden Café, a Sodexo-managed cafeteria.

2016: Partnership End and Renaming

In 2016, the partnership that owned One Summit Square was to have ended, but new owners purchased the building in 2014 and signed new long-term leases, leading to the renaming of the building to Indiana Michigan Power Center.

2016: Chase Branch Renovation

In the fall of 2016, the Chase retail banking branch on the first floor was renovated. Barnes & Thornburg also left the building in the spring of 2016.