HOK Group
Founded in 1955, HOK formerly Hellmuth, Obata + Kassabaum, is an American design, architecture, engineering, and urban planning firm The company is headquartered in St. Louis, Missouri.
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Learn More!Founded in 1955, HOK formerly Hellmuth, Obata + Kassabaum, is an American design, architecture, engineering, and urban planning firm The company is headquartered in St. Louis, Missouri.