CSMA
the customer satisfaction measurement association™ is an association of companies that conducts benchmarking studies to identify the practices that improve the overall operations of the members.
http://www.csmassociation.org/#mission
MAP
MAP
http://www.mapnp.org/library/customer/satisfy.htm
MarktOnderzoekAssociatie
MarktOnderzoekAssociatie
http://www.moaweb.nl/