Seaspan Corporation is a Hong Kong-based company that operates a fleet of container ships. The company was founded in 2005 and is headquartered in Vancouver, British Columbia. Seaspan's fleet consists of over 120 container ships with a total capacity of over 1 million twenty-foot equivalent units (TEUs). The company's customers include some of the world's largest shipping lines. Seaspan Corporation is listed on the New York Stock Exchange and the Toronto Stock Exchange.