François-Xavier Holderith

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.

Part of Compagnie des Alpes SA, CDA Productions SAS is a visual arts performing French company. The private company is based in Boulogne-Billancourt, France.

CDA Developpement specializes in the injection of technical plastics for small and medium series with a focus on high quality. The private company is based in Chatêllerault, France. The French company also offers testing and validation of tools.