CNC Grondstoffen B.V., part of  Coöperatieve Nederlandse Champignonkwekersvereniging (CNC U.A.), supplies raw materials for the cultivation of mushrooms in the Netherlands, Belgium and other European countries.

CNC Grondstoffen B.V. has companies in Moerdijk, Milsbeek and Ammerzoden. Moerdijk has the unique and the world’s most advanced indoor composting factory for the production of indoor fresh compost: Indoor Verse compost (IVC®). Moerdijk also has three tunnel companies for the production of full-grown compost. In Milsbeek CNC has two tunnel companies for the production of full-grown compost and a company for the production of casing soil. Ammerzoden has a tunnel company for full-grown compost.
 All processes at CNC Grondstoffen B.V. have been ISO 9001 certified with respect to quality aspects and ISO 14001 certified for environmental matters. Casing soil also has the RHP quality mark.