Ports have a variety of roles in urban GDP growth, including freight handling, warehousing, and storage. Some ports also contain closely integrated industry clusters that benefit from access to raw materials or cheaper shipping costs of adjacent ports. If you're looking for a Karachi sea port in Pakistan, contact PICT. PICT is owned and operated by International Container Terminal Services Inc., a worldwide terminal operator with 28 ports worldwide. Learn more about PICT's services on their website, and leave your opinions in the comments area.