Stéphane Troussel

Société d'Economie Mixte Plaine Commune Développement is a French company based in Saint-Denis, France. The company specializes in urban development and renewal projects in various cities in France, including Aubervilliers, Epinay-sur-Seine, La Courneuve, l'Ile-, Pierrefitte-sur-Seine, Stains, and Villetaneuse. Plaine Commune Développement is the primary operator of these projects and has a team of professionals, including a secretary-general, deputy general director, construction director, operational directors, financial director, market manager, project managers, and assistants. The company is ultimately controlled by the Government of France. The company was founded in 1991, and the CEO is Catherine Léger.

Société du Grand Paris is a company based in Saint-Denis, France. The French company is the project owner of the Grand Paris Express, a major infrastructure project in the Paris region. The company is ultimately controlled by the City of Paris. The company was founded in 2010 by Patrick Devedjian. Jean-François Monteils has been the CEO of the company since 2021.

Foncière COMMUNE SAS is a real estate company based in Paris, France. Foncière COMMUNE SAS provides real estate services. The French company was founded in 2014 and has been led by CEO Christophe Benavides since 2017.