Arole Lamasse

Régie Autonome des Transports Parisiens EPIC provides passengers transportation services in and around Paris. It operates subways, bus lines, urban railways, shuttles, and trams. The company was founded on January 1, 1949 and is headquartered in Paris, France.

Systra SA provides civil engineering and construction services. It develops and operates public transportation infrastructure, such as tram systems, bus lines, metro lines, and high-speed railways. The firm provides design, consulting and project management, implementation and maintenance services. The company was founded in 1957 and is headquartered in Paris, France.

RATP Développement SA offers mass public transportation services. The firm offers operating and maintenance expertise in buses, light rails, metro rails, regional railways, and specific transport services. It also handles passenger information, ticketing, space management, transportation on demand, and paratransit. The company was founded in 1963 and is headquartered in Paris, France.

Ratp Smart Systems SASU provides computer programming services. The private company is based in Noisy-le-Grand, France.

RATP Habitat is a social real estate subsidiary of the RATP group that builds, rehabilitates, and manages social housing in Île-de-France for state and local communities, as well as for RATP employees. The private company was founded in 1959 and is based in Paris, France. RATP Habitat offers a complete and diversified offer of housing, including family, collective or individual social rental, student residences, young workers, or dedicated to specific audiences, as an intermediate rental, and in accession at controlled property. The French company adapts its assemblies to the particularities of projects and creates a lasting social bond with its tenants. RATP Habitat manages 8,822 dwellings in Île-de-France and is ISO 9001 certified on all of its construction, rehabilitation, and rental management activities of housing and shops. The CEO is Claire Goudineau.

Compagnie des Transports Voyageurs du Mantois Interurbains provides road transportation services. The private company is based in Mantes la Jolie, France.