Since 2002, Columbus is the buying association of 16 manufacturers in the food industry. They jointly negiotate contracts in 55 product categories; fron car lease to health insurance. The membres cooperate with the use of commerce-hub's tools and obtain significant savings on their purchasing value.

An independent Dutch insurance company that specializes in company and travel insurance. The use of C·SOURCE and C·AUCTION enabled the purchasing department to profile itself as an excellent professional service. In the end, it has resulted in an increased share in the purchasing spend and in significant savings.

A global financial services company providing banking, investments, life insurance and retirement services with operations in more than 50 countries. With the use (since 2005) of C·SOURCE ING has streamlined purchasing procedures in their European branches. Buyers and their 'non-buying' co-workers can cooperate more easily as a result.