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Dutch firm expanding again in Chicago's Willis Tower

IMC adds office space for second time in less than four years
IMC is expanding its office in Willis Tower, Chicago's tallest skyscraper. (Robert Gigliotti/CoStar)
IMC is expanding its office in Willis Tower, Chicago's tallest skyscraper. (Robert Gigliotti/CoStar)
CoStar News
February 3, 2026 | 11:55 P.M.

A Dutch trading firm is adding a large block of office space in Chicago’s tallest skyscraper, its second significant expansion in Willis Tower in less than four years.

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