"Following the tragic Costa Concordia accident, Carnival Corporation, parent company of Costa Cruises and nine leading cruise lines around the world, today announced a comprehensive audit and review of all safety and emergency response procedures across all of the company’s cruise lines. Carnival Corporation is the parent company of ten cruise lines including Carnival Cruise Lines, Holland America Line,
Princess Cruises, Seabourn, AIDA Cruises, Costa Cruises, Cunard, Ibero Cruises, P&O Cruises (UK) and P&O Cruises (Australia)."
http://travel.usatoday.com/alliance/cruises/expertcruiser/post/2012/01/Carnival-Corporation-announces-fleetwide-safety-overhaul/607976/1