Major companies headquartered or doing business in Philadelphia include:

  • Aramark (catering and hospitality)
  • GlaxoSmithKline (pharmaceuticals)
  • Comcast (cable television, telecommunications, and sports holdings)
  • CIGNA (insurance and financial services)
  • Crown Cork & Seal
  • Keystone Blue Cross/Pennsylvania Blue Shield (insurance services)
  • Pep Boys (automotive parts and services)
  • Sunoco (oil refining)
  • Tasty Baking Company (makers of Tastykake pies and cakes)
  • Verizon (formerly Bell Atlantic) (telecommunications)