Colsen is situated in Hulst (The Netherlands). Our customer base is in the food-processing industry and in the communal & industrial waste water area. Colsen is specialized in the execution of projects in the area of water treatment and energy production via (anaerobic) digestion. The Colsen activities range from problem solving, design and engineering, project management, construction supervision, commissioning as well as operation & maintenance support. Colsen has a very flexible organization and used to provide tailor made solutions for our clients in a multidisciplinary setting.