MCI Communications Corporation (MCI) was a large telecommunications company. It was organized in October 1963 in Joliet, Illinois, by John D. (Jack) Goeken (1930-2010) as Microwave Communications, Inc. Goeken and his partners were planning to provide point-to-point private line microwave communications between Chicago and St. Louis to small businesses. This small collection of MCI documents primarily concerns customer service support, branch service, billing/system problems, and internet services.