WZMH Architects is an architectural firm established in 1961 and based in Toronto, Ontario, Canada. Originally known as Webb Zerafa Menkès Housden the company's name was changed to WZMH Architects in 2002.

The CN Tower is a 553.3 m-high (1,815.3 ft) concrete communications and observation tower in Toronto, Ontario, Canada. Completed in 1976, it is located in downtown Toronto, built on the former Railway Lands. Its name "CN" referred to Canadian National, the railway company that built the tower. Following the railway's decision to divest non-core freight railway assets prior to the company's privatization in 1995, it transferred the tower to the Canada Lands Company, a federal Crown corporation responsible for the government's real estate portfolio.