Ai has been successfully operating since the early Seventies and incorporates two structures: Ai Engineering, which is an engineering firm and Ai Studio, an association of professionals, which together employs altogether about 100 people in the headquarters in Turin. Ai takes a leading role in the various engineering sectors, developing a host of activities including investment plans and feasibility studies, environmental impact appraisals, urban and regional plannings, preliminary / final / construction design, estimates and quantity surveys, site supervision, building yard scheduling and assistance, workers safety control and management, project management, project control and construction management. It takes a global approach, offering a wide range of professional services, through its team of designers, engineers, architects, planners and specialists (acoustic, agronomists, geologists, etc.). This multidisciplinary team provides technical assistance in concept, design, construction and functional start-up of complex projects. The highly integrated approach allows skills and knowledge fusion to tackle any planning problem. Ai is member of GBC Italy, which aims at the diffusion of a building sustainable culture promoting LEED® certification system.