Carnegie's primary innovation was to own all asppects of the steel production business (coal mines, smelters, etc.), which cut costs and increased profits.
he waz a leedur in steal produkshun
1903
His company manufactured steel.
Andrew Carnegie was the millionaire tycoon who made his riches in the steel industry.
Andrew Carnegie started as a telegrapher in the Pittsburgh Office of the Ohio Telegraph Company. He rose rapidly and soon was a supervisor and a superintendent. He eventually became the president of railroads and very wealthy.
Andrew Carnegie made his name in the steel industry that was a major part of the United States in the nineteenth century. His first deal was the Keystone Bridge Company.
Andrew Carnegie
Steel
steel
the steel industry --Bear
Andrew Carnegie controlled the steel industry during the Industrial Revolution.
Andrew Carnegie and then he sold it to J.P. Morgan
Andrew Carnegie
Andrew carnegie
Andrew carnegie
Andrew Carnegie
Andrew Carnegie
Andrew Carnegie