FedEx Freight is a subsidiary of the FedEx Corporation which, through its subsidiaries, provides transportation, e-commerce, and business and information services worldwide. FedEx Express is one of the world's largest express transportation companies, providing delivery services throughout the United States and to more than 220 countries and territories. FedEx Ground provides business and residential money-back-guaranteed ground package delivery services. FedEx Freight provides next-day and second-day regional, less-than-truckload freight services in the U.S. FedEx Freight s subsidiary, Caribbean Transportation Services, is a provider of airfreight forwarding services between the U.S. and Puerto Rico, specializing in arranging the shipment of heavyweight and oversized cargo. FedEx Custom Critical business unit provides a range of expedited, time-specific freight shipping services throughout the U.S., Canada and Mexico. Its FedEx Kinko s subsidiary provide document solutions and business services, including color copying and printing, finishing and presentation, signs and graphics, Internet access, videoconferencing, outsourcing, Web-based printing, document management solutions and various ground shipping services. FedEx Freight is based in Memphis, Tenn., with a location in Kingsport, Tenn.