Courdesse & Associés - Ingénieurs et Géomètres SA is a company resulting from the merger of two offices: Jomini-van Buel SA - Official engineers and land-surveyors in Cossonay and Courdesse & Associés - Ingénieurs et Géomètres SA in Echallens and Cheseaux-sur-Lausanne (successor of Jan & Courdesse SA). The company is affiliated with the Ordre Vaudois des Géomètres (OVG). It is active in several fields, including: geometric works, SIT-GIS, civil and rural engineering and territorial planning.