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Thornton Tomasetti

AMA Plaza (IBM Plaza)

Not an active site.


330 N. Wabash Ave. Suite 1500




Ludwig Mies van der Rohe,1972

Building Architect

Garofalo Architects & Powell/Kleinschmidt


Thornton Tomasetti is an international leader in engineering design, investigation and analysis. They serve clients worldwide on projects of all sizes and complexity. The firm’s 100-employee Chicago office is located on the 15th floor of Mies van der Rohe’s 330 North Wabash (formerly IBM Plaza). The LEED-Gold space designed by Garofalo Architects in collaboration with Powell/Kleinschmidt features generous open areas, flexible conference rooms and enclosed offices. Floor-to-ceiling windows provide stunning views of the Chicago River, Lake Michigan and many of the city’s architectural gems.

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