Business Top StoriesPakistan State Oil joins club of world’s largest public companiesTNT DeskSeptember 18, 2014September 18, 2014 by TNT DeskSeptember 18, 2014September 18, 2014 LAHORE: The Managing Director & CEO- PSO, Mr. Amjad Parvez Janjua and Deputy Managing Director & Head of IT and Finance, Mr. Sohail Ahmad Butt)...