Firms of St. Louis As our Country's "Gateway to the West", St. Louis is rich in history, architectural landmarks and public open spaces. Landscape architectural firms have played an important role in the development of communities and public open space in St. Louis, throughout the United States and the world. Landscape Architects continue to "blaze trails" across the City of St. Louis, leading the way into both progressive city planning and environmental stewardship. This month, Landscape Architect and Specifier News profiles some of St. Louis' top landscape architectural firms. We explore their award-winning projects in and around the city, and we examine the corporate philosophies that have propelled these firms into the successful-and responsible-development of this great American city.