In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. The Western Union Company is a leader in global payment services Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million. The Western Union Company is a financial services and communications company based in the United States. Western Union made so that the time in all of American civil services was the same. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide. Sibley, the founder of Western Union, did not build a new telegraph lines, and persuaded the other players to join. American Telegraph Company, however, still had to buy it.