Professional and preventive medicine services.
Lot 1: Igny, Massy, OrsayLot 1: Igny, Massy, Orsay.
Lot 2: Ballainvilliers, Champlan, Chilly-Mazarin, Les Ulis, Saclay, Saulx-les-Chartreux, Vauhallan, Villebon-sur-YvetteLot 2: Ballainvilliers, Champlan, Chilly-Mazarin, Les Ulis, Saclay, Saulx-les-Chartreux, Vauhallan, Villebon-sur-Yvette.
Lot 3: Community of Paris-Saclay, Linas, Épinay-sur-Orge, Longjumeau, Marcoussis, Gometz-le-ChâtelLot 3: Community of Paris-Saclay, Linas, Épinay-sur-Orge, Longjumeau, Marcoussis, Gometz-le-Châtel.
Lot 4: Gif-sur-Yvette, Villiers-le-Bâcle, Saint-Aubin, Palaiseau, Verrières-le-BuissonLot 4: Gif-sur-Yvette, Villiers-le-Bâcle, Saint-Aubin, Palaiseau, Verrières-le-Buisson.