What industry did J. P. Morgan control

JP Morgan was American banker and financer. He dominated the wall street during Gilded Age and was behind the wave of industrial consolidation in US that occurred in 19th and 20th century. During his career he lead the formation of many multinational corporations such s US Steel Corporation, General Electric and International Harvester. He also controlled AT and T, 24 railroads and Western Union and also had influence on the lawmakers due to his wealth. He is best known for organising a coalition of finances that saved American economy from collapse during the Panic of 1907.

After financing railroads, he then organized US Steel, and General Electric later on