Abstract: Technologies for identifying product sources include a product source management server. The product source management server receives an unidentified Universal Product Code (UPC) corresponding to a product of a manufacturer. The unidentified UPC is compared to a library including reference Universal Product Codes (UPCs) and corresponding manufacturer identification data to identify the manufacturer of the product. A brand of the product is determined when the product manufacturer is not identified via the reference UPCs. The determined brand is compared to another library including reference brands and corresponding manufacturer identification data to identify the product manufacturer. When the determined brand does not match one of the reference brands, the product source management server compares product description data corresponding to the product to a different library including reference product description strings.