What is the uncommon name for the Chicago tower for which Jaros, Baum, & Bolles is best known?
Jaros, Baum &amp; Bolles: Jaros, Baum & Bolles (JB&B) is an American MEP (Mechanical, electrical, and plumbing) and building systems engineering firm founded in 1915 by Alfred L. Jaros, Jr. and Albert L. Baum. Jaros, Baum &amp; Bolles:  The firm is best known for high-rise projects, including One World Trade Center and Hudson Yards in New York City, the Sears Tower in Chicago and the Bank of China Tower in Hong Kong. Willis Tower: The Willis Tower, built as and still commonly referred to as the Sears Tower, is a 110-story, 442.1 m skyscraper in Chicago, Illinois, United States.
Willis Tower