In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Western Union offers one of the easiest ways for families and friends to send money and stay connected almost anywhere in the world. Another invention of Western Union - time synchronization. The Western Union Company is a leader in global payment services 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.