Which construction company build the tower which is connected by an elevated walkway with the Metropolitan Life North Building which is just north of it?
Metropolitan Life North Building: The Metropolitan Life North Building, now known as Eleven Madison, is a 30-story art deco skyscraper on Madison Square Park in Manhattan, New York City, at 11-25 Madison Avenue. Metropolitan Life North Building:  The building is bordered by East 24th Street, Madison Avenue, East 25th Street and Park Avenue South, and is connected by an elevated walkway to the Met Life Tower just south of it. Metropolitan Life Insurance Company Tower:  Designed by the architectural firm of Napoleon LeBrun & Sons and built by the Hedden Construction Company, the tower is modeled after the Campanile in Venice, Italy.
i don't know