architectural companies in the area of sustainable design. Professionals in the firm authored one of the industry's most respected resources on the topic, "The HOK Guidebook to Sustainable Design," originally published in 2000 by John Wiley & Sons. A second edition of the book was published in 2005. In September 2008, to better integrate nature's innovations into the design of buildings, communities and cities worldwide, HOK announced an alliance with the Biomimicry Group, co-founded by Janine Benyus. In 2010, HOK and energy and daylighting consultant The Weidt Group completed design of Net Zero Court, a 170,735-square-foot, market-rate, zero-emissions class A commercial office building in St. Louis. In 2013, HOK and Biomimicry 3.8 released the Genius of Biome report, a textbook for how to apply biomimicry design principles, and a year later in 2014, ORO Editions published “HOK Tall Buildings,” a 300-page book exploring the design of the contemporary high-rise. In 2015, for the sixth consecutive year, the DesignIntelligence journal ranked HOK as a leader in sustainable and high-performance design. HOK currently has more than 750 LEED, BREEAM and WELL credentialed professionals and more than 300 green certified projects under various rating systems worldwide. Global offices United States: Atlanta; Chicago; Columbus, OH; Dallas; Houston; Kansas City; Los Angeles; New York; Philadelphia; St. Louis; San Francisco; Seattle; Summit, NJ; Tampa, FL; Washington, D.C. Canada: Calgary, Ottawa, Toronto Asia Pacific: Beijing, Hong Kong, Shanghai Europe: London. Also leads European Architects Network (EAN) - affiliated firms in Amsterdam, Brussels, Madrid, Milan, Paris and Rome India: Mumbai Middle East: Dubai Selected projects 1962: The Priory Chapel, St. Louis, Missouri, United States 1970: Houston Galleria, Houston, Texas, United States 1970: Xerox PARC, Palo Alto, California, United States 1975: King Saud University, Riyadh, Saudi Arabia 1976: National Air and Space Museum, Washington, D.C., United States 1979: Cecil H. Green Library, Stanford University, Stanford, California, United States 1981: Moscone Center, San Francisco, California, United States 1981: Metropolitan Square, St. Louis, Missouri, United States – Current location of HOK St. Louis office 1982: Levi's Plaza, San Francisco, California, United States 1983: King Khaled International Airport, Riyadh, Saudi Arabia 1985: St. Louis Union Station Renovation and Redevelopment, St. Louis, Missouri, United States 1986: BP Building Cleveland, Ohio, United States 1986: Kellogg Company Headquarters Battle Creek, Michigan, United States 1986: Riverchase Galleria Birmingham, Alabama, United States 1991: 801 Grand, Des Moines, Iowa, United States (tallest building in Iowa) 1992: Schapiro Center