MCI Communications Corporation

MCI Communications Corporation, Inc. (MCI) was incorporated in Delaware in August 1968 as Microwave Communications of America, Inc. (MICOM) (name was changed in July 1971), to provide businesses with nationwide microwave telecommunications services at low prices. Its predecessor, Microwave Communications, Inc., was established in October 1963 in Joliet, Illinois, and later became one of MCI's seventeen regional companies engaged in construction of MCI network segments. During the 1970s, these companies merged into MCI Telecommunications Corporation - MCI's operational subsidiary that was organized in February 1973. MCI Communications Corporation merged with WorldCom, Inc. on September 15, 1998 and the company name became MCI WorldCom, Inc. The name reverted to MCI under the Plan of Reorganization filed by the company with the Bankruptcy Court in April 2003.

The company offered American customers various telecommunications services, beginning with point-to-point private line microwave communications between Chicago and St. Louis for small businesses in 1971. They became one of the largest providers of local, long distance and international voice, data, Internet, and wireless telecommunications by the end of the century.

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