HOK Company

HOK (formerly Hellmuth, Obata + Kassabaum) is a global design, architecture, engineering and urban planning firm. As of 2015, HOK is the largest U.S.-based architecture-engineering firm and the second-largest interior design firm. The firm maintains more than 1,800 professional staff across a global network of 25 offices and is active in all major architectural specialties. Its senior leaders are located in several different locations across the world.