For over 85 years, Chain Store Guide has supplied its customers with the highest level of quality that cannot be duplicated by any other provider. Our accuracy for Retail & Foodservice Locational Data is driven by our unique LocusTM sync & multi-step update process that blends spatial geocoding and cutting edge technology with a personal touch. As a result of our years of expertise, only CSG can offer maximum quality assurance while still maintaining complete coverage and monthly database revisions. Chain Store Guide is the leader in Retail & Foodservice sales leads, market research, and geocoded locational data.