J.P. Morgan & Co., Inc. is the holding company for subsidiaries engaged in global banking, financial advisory, securities underwriting, trading and investment fund management services & market making. J.P. Morgan controlled one of the largest railroads in the U.S. by 1900. In 1901 he organized the U.S. Steel corporation. It also was the largest corporation in the world. In 1912 J.P. Morgan became a symbol of financial power investigated by a committee of the U.S. House of Representatives.