Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. The Western Union Company is a financial services and communications company based in the United States. Sibley, the founder of Western Union, did not build a new telegraph lines, and persuaded the other players to join. American Telegraph Company, however, still had to buy it.