KooperationenGlobalDatawiwo.deabsatzwirtschaft.deBBE RETAIL EXPERTSbbw Marketing Dr. VossenBusiness InsightsDatamonitorEHI Retail InstituteOvumVerdict ResearchButler GroupBusiness Monitor InternationalInterConnection ConsultingMSI Marketing Research for IndustryGlobal Markets DirectInnofact AGRegioPlan ConsultingKoncept Analytics