1886 - Westinghouse Electric Company founded by George Westinghouse (1846-1914);
1889 - renamed Westinghouse Electric & Manufacturing Company;
1945 - renamed Westinghouse Electric Corporation;
1997 - sells most non-broadcast operations and renames itself CBS Corporation.
NOTE: Westinghouse Electric Corporation (WEC) is a Delaware corporation founded in 1998 by CBS Corporation (the renamed 'original' WEC and predecessor of the current CBS Corporation) to manage the intellectual property assets relating to the Westinghouse brand.