Western Union has taken of 451st position in the rating Fortune 500 in 2009, having moved from 473rd line in 2008. In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. The Western Union Company - the American company, specialising on granting of services of monetary intermediary. Western Union was founded in 1851. The company is one of leaders in the market of the international remittances. 1980 - for the first time in the history of Western Union revenues from money transfers exceeded the income from the telegraph service. The size of the commission fee for the transfer is charged according to the Western Union tariffs and depends on the amount of money sent. Payment systems are one of basic elements of infrastructure of e-commerce. Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million.