Some important Shipyards for cruise-ship building:

www.fincantieri.com
www.meyerwerft.de
www.stxeurope.com
www.stxfrance.com

Nowadays' shipping companies are to be found via the following and other links:

www.bing.com
www.google.com
www.wikipedia.org
www.yahoo.com

History & Information:

www.20thcenturyliners.com
www.cruiseindustrynews.com
www.cruisebusiness.com
www.cruisemates.com
www.cruiseclues.com
www.cruisecritic.com
www.cruiseserver.net
www.cybercruises.com
www.ferries-online.de
www.ferryentusiasts.co.uk
www.flickr.com
www.grosstonnage.com
www.internationales-maritimes-museum.de
www.lloydslist.com
www.marinetraffic.com
www.maritimematters.com
www.maritime-connector.com
www.merchantilemarinemuseum.com
www.museum.yen.gr
www.nmm.ac.uk
www.nomarhaiapeiraia.gr
www.oasisoftheseas
www.oceanlinermuseum.co.uk
www.sealetter.com
www.shipfriends.gr
www.shipparade.com
www.shippax.com
www.shipsmonthly.com
www.shipspotting.com
www.simplonpc.co.uk
www.timetableimages.com
www.tng-phoenix.ce
www.wikimedia.org
www.wikipedia.org
www.worldmaritimenews.com

History of Trains:

www.trains-worldexpresses.com

History of Jet Passenger Air Transport

under preparation by Werner Soelch: www.aviation-jet-history.com

Air Transport, just a few examples:

www.afm-news.com
www.airlinersworld.com
www.flightglobal.com
www.icao.int/

Buses, by Robert & Stephan Mayr:

www.busse-europas.de