Nicolas Castres Saint-Martin

Apave SA specializes in tests for quality control. The company was founded in 1867 and is headquartered in Paris, France.

Apave Développement SAS operates as a holding company. The company is headquartered in Paris, France.

Sopemea Groupe specializes in laboratory tests for quality control. The firm offers testing services for all types of equipment in the fields of mechanics, vibration, climate, electricity, hydraulics and electromagnetic compatibility. It serves in the area of aeronautics and space, defence, railways, energy and nuclear, automobile and medical. The company was founded in 1948 and is headquartered in Velizy-Villacoublay, France.

Mallart & Co. SA is a holding Belgian company that provides business and management consulting services. The private company is based in Ixelles, Belgium. The company was founded in 2011. Françoise Macq has been the CEO of the company since 2011.

Transpolis SAS is a French company that was founded in 1993 and provides research and development in the field of urban transport systems. The private company is based in Béligneux, France. and has subsidiaries in France.

IXXI SASU offers passenger information and ticketing services. The company was founded in 2010 and is headquartered in Noisy-le-Grand, France.

Oc'Via SA constructs, operates, and maintains railway networks. The company was founded in June 2012 and is headquartered in Montpellier, France.

Hitachi Rail STS France SAS designs, implements and maintains signaling equipment and automatic train control and supervision systems. Its products include TVM systems, TVM SACEMs, HBD-HWDs, track circuits and electronic treadles. The company was founded in 1902 and is headquartered in Les Ulis, France.

Part of Hitachi Ltd., Hitachi Rail STS UK Ltd. is a sustainable transportation solutions provider based in London, UK. Hitachi Rail also improves passenger experience through information solutions, such as smart security and ticketing. The British company is committed to sustainability, as evidenced by its yearly reports and Platinum rating from EcoVadis. Founded in 2003, the company offers integrated rail solutions, including rolling stock, signalling, and digital technology, as well as industry-leading maintenance and refurbishment services.

Part of Hitachi Ltd., Hitachi Rail STS Deutschland GmbH is a German company that develops and supplies complete signaling, traffic control, and supervision systems. The company is based in Munich, Germany. The CEOs are Alessandro De Grazia, Daniel Mark Phillips, Gilles Pascault. The company was founded in 2010.

KNORR-BREMSE Systèmes Ferralement France SA is engaged in wholesaling industrial equipment. The company is headquartered in Tinqueux, France.