VWS has over 100 years of proven experience in desalination, dating back to the first Westgarth thermal desalination units in 1890.

Today, through Bekox, Entropie, Metito Arabia Industries, OTV, Sidem, Westgarth and other local entities, VWS combines proven expertise with unsurpassed innovation to offer technological excellence to their desalination customers.

World leader in Multi-Effect Distillation through Sidem and Entropie's expertise, VWS has more than 80% of the worldwide installed MED capacity. In membrane desalination, VWS has first class RO references from modular installations delivered by their regional entities to large turnkey plants built by OTV or Westgarth with capacities of up to 350 000m³/d.