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 Consumer packaged goods (CPG) Apparel Fresh foods General merchandise Marketplaces Healthcare Transport & Logistics Technical Industries Foodservice Public sector Region Latin America Europe Asia Pacific (-) North America Country United States Benefits Consumer engagement Data quality Operational efficiency Regulatory compliance (-) Safety Traceability Transparency Standards GTIN GLN (-) SSCC 1D barcodes 2D barcodes GPC GS1 DataMatrix RFID EDI Services Verified by GS1 GDSN Type of organisation Manufacturer (-) Safety (-) SSCC (-) North America 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.