This center occupies the 11th floor of a renovated 24-story prestige building in Clayton, a suburb of St Louis, MO, recognized for its quality of life. Set in beautifully landscaped grounds that include a private veranda and revitalized plaza, the building features marble-walled communal areas, an impressive lobby and tall solar gray-glass windows. Various energy efficiency enhancements have shrunk the property's carbon footprint. St Louis attracts hi-tech small companies, as well as Fortune 500 companies.