The Air Movement and Control Association International (AMCA) announced that Groupe Leader SA of Cedex, France is now participating in its Certified Ratings Programme. This is the first French company in AMCA International's Certified Ratings Programme and the first international company with a licensed positive pressure ventilator. AMCA International recently licensed Groupe Leader SA's Model MT Positive Pressure Ventilator for air performance. It appears on AMCA International's website.