In 1988, the company undertook a massive reorganization in response to rapidly changing business conditions. In particular, this need has arisen due to many technological changes that have taken place at that time. Company name was changed from Western Union Telegraph Co. to Western Union Corp. In 1920, Western Union has implemented the world's first transmission of images over the ocean. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. 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. 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. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. Before transition to remittances Western Union company rendered services on sphere of cable communication. In 1884 Western Union has become a joint-stock company and was brought to the stock exchange. The company has entered in the first American stock index Dow Jones.