ANTONY, France--(BUSINESS WIRE)--At the 9th Choose France summit, the flagship annual event at the Château de Versailles to promote France’s economic attractiveness, Stallergenes Greer, a leader in allergy care, announced a strategic investment of over €125 million by 2030 in its Antony site (Hauts-de-Seine) to expand and upgrade its industrial capacity in France. “This investment marks an important milestone in sustainably strengthening the Group's strategic footprint in France. It reflects ou