In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Western Union has several divisions, with products such as person-to-person money transfer, money orders, business payments and commercial services. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. 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. 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 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.