Nadia Khris-Arnal

DH Enterprise & Associates, Inc. engages in the provision of leisure travel management solutions. It offers self-guided, volume driven, predesigned, escorted, custom, and group vacations. The firm's brands include; Great Value Vacations, Aer Lingus Vacation Store, and Sceptre Vacations. The company was founded in 1980 and is headquartered in Rockville Centre, NY.

Voyages-SNCF.com SAS provides online travel and tourism services. It offers group tickets for train, plane, bus, hotel, and accommodation packages. The company was founded on June 15, 2000 and is headquartered in Paris, France.

SNCF Voyages Developpement SAS operates as a holding company. It provides management consulting services. The company is headquartered in Courbevoie, France.

Eurostar International Ltd. engages in the operation of passenger trains. It directly links the U.K. to France and Belgium via the channel tunnel. The company was founded in 1990 and is headquartered in London, the United Kingdom.

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.

Part of Systra SA, SYSTRA SA Oddzial w Polsce is a Polish company that engages in engineering and consulting groups specialized in public transport and mobility solutions. The company is based in Wroclaw, Poland. The CEO of the company is Pierre François Verzat.