Joseph T. Ryerson & Son, Inc. is a services company that processes and distributes metals, with operations in the United States, Mexico, Canada, and China.

Founded in 1842, Ryerson is headquartered in Chicago and employs approximately 4,200 employees at about 100 locations.

In addition to the United States, Ryerson has operations in Canada, China, and Mexico.

In the early 1900s, when Ford Motor Company started producing vehicles, Ryerson supplied it with steel.

[7] The old Ryerson Steel mill at 18th Street and Rockwell Avenue in Chicago was purchased by the Lagunitas Brewing Company in 2012.