In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. Before transition to remittances Western Union company rendered services on sphere of cable communication. In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. Transaction with Fexco has allowed Western Union to control directly more than 10 thousand points of service, which belonged to Fexco in 7 European countries (Spain, UK, Sweden, Ireland, Denmark, Norway and Finland). 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 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.