Aéroports de Paris (ADP) is adept at developing, equipping, and operating airports in France. The company operates 14 airports within a 30-mile radius of Paris, including major airports Orly and Charles de Gaulle. Also among the company's properties is Le Bourget, site of the Paris Air Show, and Issy les Moulineaux, a heliport in Paris. ADP is one of the largest airport authorities in the world in terms of passenger traffic; more than 87 million passengers a year pass through its facilities. ADP leads Europe in its handling of freight and mail. The French government owns a 60% stake in ADP, which was taken public in 2006.