Willis Tower Fact Sheet
This fact sheet was downloaded on Thursday June 15, 2017 from The Skyscraper Center.
Please visit the CTBUH website for more on tall buildings.
Images
Facts
Official Name
Former / Other Name
Type
Status
Country
City
Street Address
Building Function
Structural Material
Start of Construction
Completion
Global Ranking
Regional Ranking
National Ranking
City Ranking
Official Website
Companies
Owners
• Current
• Past
Developer
Architects
• Design
Structural Engineer
MEP Engineer
Main Contractor
Other Consultants
• Façade
• Fire
• Property Management
• Vertical Transportation
• Wind
Material Suppliers
• Cladding
• Elevator
• Sealants
• Steel
view building webpage
Willis Tower
Sears Tower
building
completed
United States
Chicago
233 South Wacker Drive
office
steel
1970
1974
#14 tallest building in the world
#2 tallest building in North America
#2 tallest building in United States
#1 tallest building in Chicago
http://www.willistower.com
Figures
The Blackstone Group L.P.
The Moinian Group
Sears Roebuck and Company
Gensler; Skidmore, Owings & Merrill
LLP
Skidmore, Owings & Merrill LLP
Jaros, Baum & Bolles
Morse Diesel International
Enclos Corp.
Schirmer Engineering Corporation
CBRE
Jaros, Baum & Bolles; Van Deusen &
Associates
Alan G. Davenport Wind Engineering
Group
Cupples
Schindler
Dow Corning Corporation
American Bridge Co.
Height: Architectural
Height: Occupied
Height: To Tip
Height: Observatory
Floors Above Ground
Floors Below Ground
# of Elevators
Top Elevator Speed
Tower GFA
442.14 meter / 1450.59 feet
412.69 meter / 1353.97 feet
527.00 meter / 1729.00 feet
412.69 meter / 1353.97 feet
108
3
104
8.1 m/s
416,000 m sq. / 4,477,787 ft sq.