Case studies Welcome to the central library for all GS1 case studies. Use search or filters to discover case studies related to specific topics such as benefit, industry, service, standard or location. Search Standards GTIN 1D barcodes Services Verified by GS1 GDSN Type of organisation Retailer Manufacturer Government Healthcare provider Solution provider Logistics provider Wholesaler Distributor Small & Medium Enterprises Clear all filters Sorry, no results found for your search criteria.