One of the many industrialists who made their mark during this period, included Henry Clay Frick, who was best known for his contributions in the Carnegie Steel Company and the United States Steel Corporation. Andrew Carnegie was one of the many people Henry Clay Frick connected well with; the two had a long history together. Carnegie was heavily invested in the steel industry when he drew interest in a partnership with Frick’s business. Frick made available a continuing supply of coke for Carnegie's growing steel industry while Carnegie purchased a controlling