In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In 1877, starting from September, New York City residents began to have the opportunity to check the time on clock with the "time ball", located on the roof of constructed in the same year a new corporate headquarters - Western Union Building. Western Union incomes for 2007 have made $4,9 billion US dollars, and the quantity of transactions has made 572 million. In 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company. In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network.