Category:Willis Tower

**Willis Tower**
	skyscraper in Chicago, Illinois
	Upload media
	Wikipedia
Instance of	skyscraper; office building; tourist attraction;
Named after	Willis Group (Willis Tower, 2009–);
Made from material	glass (façade); aluminium (façade); steel (structural system);
Location	Chicago, Cook County, Illinois
Located on street	South Wacker Drive (233);
Architectural style	International Style;
Architect	Skidmore, Owings & Merrill; Bruce Graham; Fazlur Khan;
Main building contractor	American Bridge Company;
Commissioned by	Sears;
Has use	office;
Owned by	The Blackstone Group (2015–);
Occupant	United Airlines (2012–); Willis Group; Schiff Hardin; Seyfarth Shaw;
Has part(s)	Skydeck;
Inception	1974;
Date of official opening	May 1973;
Height	442.1 m (architectural height);
Area	416,000 m² (gross floor area);
	official website
	41° 52′ 43″ N, 87° 38′ 09″ W
Authority file
	Q29294; VIAF ID: 242308182; GND ID: 4732671-2; Library of Congress authority ID: sh94007667; BabelNet ID: 00070049n; National Library of Israel J9U ID: 987007290642405171; Structurae structure ID: 20000065; CTBUH Skyscraper Center building ID: 169
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; WikiShootMe; OpenStreetMap; Search depicted;

Català: Torre Willis a Chicago, Illionois

Dansk: Willis Tower (Sears Tower)

Deutsch: Willis Tower

English: The Willis Tower, former Sears Tower, in Chicago, Illinois.

Español: Willis Tower

Français : Willis Tower

(anciennement Sears Tower)

Polski: Willis Tower

Português: Torre Willis

Русский: Уиллис-Тауэр в городе Чикаго, штат Иллинойс

See also: Many skyline photographs containing the Willis Tower at Category:Chicago skyline

Object location	41° 52′ 44″ N, 87° 38′ 09″ W	View all coordinates using: OpenStreetMap	41.878889; -87.635833

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