Lumen Technologies vs T-Systems

CenturyLink, Inc., is an American multinational communications company headquartered in Monroe, Louisiana. It provides communications and data services to residential, business, governmental and wholesale customers in 36 states. It also provides long distance service. The earliest predecessor of CenturyLink was the Oak Ridge Telephone Company in Oak Ridge, Louisiana, which was owned by F. E. Hogan, Sr. In 1930, Hogan sold the company, with 75 paid subscribers, to William Clarke and Marie Williams, for $500. They moved the switchboard to the Williams family front parlor. In 1946, the Williams' son, Clarke McRae Williams, received ownership of the family's telephone company as a wedding gift.

T-Systems is a German global IT services and consulting company headquartered in Frankfurt. Founded in October 2000, it is a subsidiary of Deutsche Telekom. The company operates in more than 20 countries and employs approximately 50,000 people worldwide, among them around 27,000 in Germany and 27,000 outside. Since December 2007 Reinhard Clemens is the CEO. Before that, he was president of EDS Germany since 2003.