FedEx Corporation, previously Federal Express Corporation and then FDX Corporation, is an American global conglomerate holding corporation headquartered in Memphis, Tennessee that focuses on transportation, e-commerce, and business services. The term “FedEx” is a syllabic abbreviation of the company’s initial air division, Federal Express, which was utilized from 1973 until 2000. FedEx is best recognized today for its air delivery service, FedEx Express, which was among the first major shipping businesses to provide overnight delivery as a hallmark service.