Ever since it opened in 2009, the cantilevered glass floors protruding from the 103rd floor of the Willis Tower have been a major Chicago tourist attraction. Transforming how visitors experience the city below, “The Ledge” puts visitors 4 feet outside the building’s envelope with a clear and unobstructed view of the street below over 1,350 feet away.

With expertise in both glass and steel construction, MTH was a natural fit to install The Ledge’s 1,500 pound glass panels,

Historically Significant

MTH Industries is the combination of four historically significant companies: Tyler & Hippach Glass Company, founded in 1886, Illinois Bronze Works, founded in 1923, Midwest Glass Company, founded in 1930, and Midwest Iron Works, founded in 1938.