Bruno Beschizza

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.

Soc Econom Mixte Amenag Renov Equip Leva SA constructs civil engineering works and is ultimately controlled by the City of Levallois Perret. The company is based in Levallois-Perret, France. The French company was founded in 1900. Michel Perez has been the CEO of the company since 2004.

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.

Île-de-France de Mobilités designs, organizes, and finances the public transportation used by residents across the greater Paris region. It also funds modernization projects and infrastructure upgrades to roads and railways. The company is headquartered in Paris, France.