Thomas A. Edison, Inc.

Thomas A. Edison, Inc.
	1898 ad for the New Standard Phonograph
Formerly	National Phonograph Company
Founded	29 January 1896
Founder	Thomas Edison
Defunct	2 January 1957

Thomas A. Edison, Incorporated (originally the National Phonograph Company) was the main holding company for the various manufacturing companies established by the inventor and entrepreneur Thomas Edison. It was a successor to Edison Manufacturing Company and operated between 1911 and 1957, when it merged with McGraw Electric to form McGraw-Edison.