FedEx is a courier service based in Memphis, Tennessee. Publicly traded on the U.S. Stock Exchange, the company has more than 400,000 employees worldwide. The company was founded in 1971 as the Federal Express Corporation and shortened its name to FedEx in 2000. FedEx revolutionized the courier industry by being the first company that offered the ability to track packages in transit. The company ships items by air, ground and sea and also offers logistics services for corporate customers. Currently, the company provides shipping through a number of business units, including FedEx Express, FedEx Ground and FedEx Freight.