Wikipedia
SYSTRA
SYSTRA is an international engineering and consulting group specializing in rail (passenger and freight) and public transport. SYSTRA is known worldwide for its expertise in rail engineering, from light & mass transit rail to high speed rail. The equity of this limited company belongs to RATP, SNCF and French banks. It employees a staff of approximately 5,000 (2015). SYSTRA is present in 78 countries worldwide.
In December 2014, the American magazine ENR ( Engineering News-Record) published its annual ratings for the world's 250 most important engineering companies. SYSTRA was awarded 2nd place, with 315.4 M$ in the international Mass Transit and Rail category.