In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. 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. 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 In 1991, Western Union has sold some low-profit division of the company AT & T, GM Hughes Electronics, and to some others. In the same year the company changed its name to New Valley Corp. The first offices of company were located in the Reynolds Arcade building in Rochester, New York. The sign above the main entrance to the building - In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network. Western Union made so that the time in all of American civil services was the same.