Western Union has taken of 451st position in the rating Fortune 500 in 2009, having moved from 473rd line in 2008. Another invention of Western Union - time synchronization. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. Before transition to remittances Western Union company rendered services on sphere of cable communication. 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 - Western Union made so that the time in all of American civil services was the same.