The following articles list companies that operate ships:

• List of freight ship companies for companies that own and operate the freight ships (Bulk Carriers, Container Ships, Roll-on/Roll-off (for Freights), Tankers and Gas Carriers).
  • List of container shipping companies by ship fleets and containers for the largest.
• List of passenger ship companies for companies that own and operate the passenger ships (Cruise Ships, Cargo-Passenger Ships, and Ferries (for Passengers and Automobiles))
• For shipping agencies, or the companies that own and operate tugboats, fishing ships or so, see other pages.