HOK Architecture
1955 Foundation
United States

HOK was founded in 1955 by George F. Hellmuth, Gyo Obata, and George Kassabaum, graduates of the School of Architecture at Washington University in St. Louis, where the firm also had it first headquarters. It now has a presence in more than 20 cities in 7 countries.

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HOK Architecture
Hellmuth, Obata + Kassabaum
Formerly known as
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