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Due to the COVID-19 virus, HMI staff is working remotely and our physical store is closed. Please shop online or contact us with questions.

Grain Exchange Room at the Mackie Building

2020 Doors Open Information coming in August. Information featured here is from the 2019 program

View this impressive three story room in the Mackie Building.

Address
225 E Michigan St

Saturday Hours
Not Open

Sunday Hours
10 am - 5 pm

Photography
Photography, Video, Tripods Permitted

Handicapped Accessible
Fully wheelchair accessible

Passport Site

The Grain Exchange Room located in the Mackie Building, showcases beautiful “Simple Italian” architecture, soaring ceilings, hand painted frescoes, gold leaf and over 10,000 sq. feet of usable event space in an outstanding and historical location.

The three story “cathedral of commerce” was closely linked with the early commercial history of Milwaukee, when for a brief time, the city was the world’s largest primary wheat market for trading, exporting and inspecting grain. Milwaukee’s lake port was near vast acres of wheat so the Milwaukee Grain Exchange made its home in the Chamber of Commerce building, inventing and utilizing the very first octagonal trading pit.