In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In 1935, Western Union has put into operation first intercity fax communication. Another invention of Western Union - time synchronization. Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million. In 1884 Western Union has become a joint-stock company and was brought to the stock exchange. The company has entered in the first American stock index Dow Jones. Western Union for more than 130 years provides money transfer services to its customers.