VSL’s experience in post-tensioning and related engineering goes back more than 50 years. VSL operates through 34 subsidiaries as a world-wide network, including two production facilities in Spain and China. With 2,900 employees, including 900 engineers and technicians, the group provides technical consultancy and support for the full range of works from project planning (development of preliminary designs, alternative design proposals) to complete final designs, construction engineering and on-site activities. Group turnover was 280 million Euros in 2007.