FedEx Corporation, previously known as Federal Express Corporation and FDX Corporation, is an American conglomerate holding company headquartered in Memphis, Tennessee. It focuses on transportation, e-commerce, and business services. The name “FedEx” is a syllabic abbreviation of the name of the company’s original air division, Federal Express, which was used from 1973 until 2000. Today, FedEx is famous for its air delivery service.