In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In April 1851 companions registered in Albany New York and Mississippi Valley Printing Telegraph Company (NYMVPTC), which included founded two years before New York State Printing Telegraph Company. Thanks to cooperation with Western Union the Associated Press at the end of the XIX century took almost monopolistic position in the U.S. market news. In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. On the market was placed about 765 million of ordinary shares of the company. On the first day trading on the exchange the company's shares rose by 3.3% and the cost was $ 19.96. 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. 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.