hmm….
What happened to the Keystone Bridge Company?
Keystone Bridge Company
In1902, American Bridge became a subsidiary of U.S. Steel. The shops of Keystone were closed in 1904. Today, many railroad bridges constructed by Keystone continue to exist throughout the United States.
Does Carnegie Steel still exist?
The Carnegie Steel Company | Pittsburgh Beautiful
In1901, the Carnegie Steel Company was sold to U.S. Steel, a newly formed organization set up byJ.P. Morgan. The sale, which was one of the largest business transactions of the early 20th century, made Carnegie one of the richest men in history.