When it opened in 1986, Terminal 1 at O’Hare International Airport exhibited innovative architectural design and construction. And it still does. With ongoing dedication to gate enhancements and functional improvements, Terminal 1 remains a hallmark of airport design.

MTH has been there from day one. As the original contractor for metal panels over 30 years ago to the recent addition of United Airlines latest United Club at Gate C10, MTH has participated in the construction process and evolution of Chicago’s preeminent airport terminal.

MTH Industries is the combination of four historically significant companies:

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.