Tenants
The complex's largest tenant is the management consulting firm Towers Watson. Predecessor Towers Perrin had offices in Centre Square since 1975 and after its lease renewal in 2004 occupies between 250,000 square feet (23,000 m2) and 300,000 square feet (28,000 m2) square feet in the east tower. Saul Ewing leases 111,000 square feet (10,000 m2) on the 36th, 37th, and 38th floors of Centre Square II. The law firm has made the building its headquarters since shortly after the building opened. Cable company Comcast made the Centre its headquarters from 1991 to 2007. Comcast moved into the complex after a fire seriously damaged its former headquarters at One Meridian Plaza across the street. It left Centre Square for its new headquarters in the Comcast Center despite attempts by HRPT Properties Trust to convince them to stay. In 1999 Lincoln National Corporation moved from Fort Wayne, Indiana to Centre Square. The company makes 32,000-square-foot (3,000 m2) in the west tower its headquarters despite moving 400 employees, including its top management, outside of Philadelphia and into Radnor Township, Pennsylvania in 2007. Law firm Conrad O’Brien also leases space in the west tower. It leased 44,000-square-foot (4,100 m2) on the 39th and 40th floors in 2011. A restaurant called Top of Centre Square was located in Centre Square II. Located on the top floor, it was the highest restaurant in the city's history and closed in 1993.
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