Colsen is a company established in 1989 in Hulst (NL), with a vast experience in the area of (thermophilic) bio-mass (manure) digestion and digestate treatment. The Colsen activities include problem-solving, design & engineering, construction supervision, operation, and maintenance. Its customer base is in the food-processing and agro-industry and the waste water area. Colsen has executed projects all over the world. For the purpose of project execution and market development, Colsen cooperates with local partners in each country, generally as a Joint Venture.