HKS

HKS was founded in 1939 by Harwood K. Smith in Dallas, Texas. In 2002, HKS expanded its international presence by opening HKS Arquitectos in Mexico City to serve its Latin American clients. In 2006, HKS acquired the Stein-Cox Group and Trinity Design to have presences in Phoenix, Arizona, and Detroit, Michigan, respectively. In 2007, HKS expanded their hospitality architectural design services and also acquired the hospitality design firm Hill Glazier Architects, located in Palo Alto, California. The firm also opened offices in Miami, Nashville, Oklahoma City, and Chennai, India.HKS expanded its global presence in 2008 opening offices in Abu Dhabi and São Paulo, Brazil and again in 2010 with an office in Shanghai, China. In 2008 HKS acquired that part of the Ryder HKS joint venture it did not already own.

In 2011, HKS acquired the interior design firm Maregatti Interiors LLC in Indianapolis. The HKS Science & Technology Practice was formed after the firm acquired Earl Walls Studios in San Diego, California. HKS also opened new locations in Chicago, Denver, New York, and New Delhi, India. In 2012, HKS announced the acquisition of Miami-headquartered educational design firm HADP Architecture, Inc.

As of 2015, the firm employed more than 1000 people, making it one of the largest architectural firms in the United States and has completed services on structures valued in excess of $69 billion, with more than $12 billion of construction currently underway.