Thomson cruises is a branch of TUI.
The cruise line is aimed at the British market. The boats are on lease from other companies but travel in their own livery.
Currently they have four ships.
Thomson Celebration sailing the Red sea this winter, then home porting in Palma during the summer.
Thomson Destiny sailing The Canaries, Madiera and Morocco over the winter. Then home porting at Palma during the summer.
The Emerald who home ports in Corfu during the summer.
Thomson Spirit which sails directly from the UK in the summer, going both north to the Baltics and Iceland, also south to the Iberian Peninsula.
From Summer 2007 they are introducing The Calypso which will home port in Thessaloniki and is reserved exclusively for adults.
Specifications of the ships can be found at
Thomson Cruises - Thomson Celebration Details Celebration
Thomson Cruises - Thomson Spirit Details Spirit
Thomson Cruises - The Emerald Details Emerald
Thomson Cruises - Thomson Destiny Details Destiny
Thomson Cruises - Thomson Spirit Details Calypso