American Society of Landscape Architects (ASLA)

Web Abstract: 
An on-line directory of ASLA members and firms, searchable by firm name, practice type, city, or state. Landscape architects plan and design school grounds, outdoor classrooms, parking lots, athletic fields, playgrounds, walkways, fencing, and lighting. They are trained in handicap accessibility requirements for outdoor spaces. States have varying requirements regarding licensure for work performed by landscape architects.