EntityQ2986235· pop 6· linked from 42 articlesCommerce SquareSign in to saveclass-A high-rise office building complex in Center City Philadelphia, PennsylvaniaConnectionsMid-AtlanticEntityConrailEntityPennsylvaniaEntityPhiladelphiaEntityUnited States dollarEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityaccountingEntityskyscraperEntityIBMEntitysquareEntityBank of AmericaEntitystoreyEntityPricewaterhouseCoopersEntityErnst & YoungEntityPhiladelphia City HallEntitytopping outEntityWolters KluwerEntityurban plannerEntityComcast CenterEntityCategories1987 establishments in PennsylvaniaCenter City, PhiladelphiaCompanies that filed for Chapter 11 bankruptcy in 1997Market Street (Philadelphia)Office buildings completed in 1987Office buildings completed in 1992Skyscraper office buildings in PhiladelphiaTwin towers