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 Industry (-) Retail Fresh foods Marketplaces Healthcare Transport & Logistics Technical Industries Foodservice Public sector Region North America Country Argentina Australia China Peru (-) United States Vietnam Benefits Consumer engagement Data quality Inventory management Operational efficiency (-) Safety Traceability Standards GTIN GLN SSCC 1D barcodes Services Verified by GS1 GDSN Type of organisation (-) Manufacturer Distributor Small & Medium Enterprises (-) Safety (-) United States (-) Retail (-) Manufacturer Clear all filters Showing 1 results Retail, Fresh foods IPC/Subway: Delivering the promise of end-to-end traceability throughout the Subway system IPC needed a system to enable full supply chain visibility to optimise its operations.