The Two Logan Square Center delivers a high-prestige Philadelphia central business district location at a skyscraper that's the work of one of the world's pre-eminent architecture firms. A signature roofline with a backlit clock, plus polished granite and reflective glass, are the standout features of Kohn Pedersen Fox's stunning office tower. The center on the third floor also benefits from an elegant vaulted Italian marble lobby, on-site restaurant and secure indoor parking. Existing tenants include legal, financial and real estate firms. The district of Logan Square comprises much of the city's CBD, including Penn Center. Philadelphia's important economic sectors include financial and legal services, healthcare and biotechnology, pharmaceuticals and tourism, as well as manufacturing, oil refining and food processing. Various agencies of the federal government are also based in Philadelphia ' a city served by two airports and Interstates 76 and 95. The city is also a regional bus and rail hub.