Western Union has taken of 451st position in the rating Fortune 500 in 2009, having moved from 473rd line in 2008. In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In 1920, Western Union has implemented the world's first transmission of images over the ocean. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. 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 -