Home/American Shipper/OOCL’s volume up, revenue down in 2011 American Shipper OOCL’s volume up, revenue down in 2011 FreightWaves Staff · Monday, January 23, 2012 Facebook Twitter Pinterest LinkedInLiner carrier OOCL said container volume rose 5.6 percent year-on-year in 2011, despite a 2 percent drop in the fourth quarter, according to an operational update from parent company OOIL.