The A.P. Moller - Maersk Group (Danish: A.P. Møller - Mærsk Gruppen) is a Danish business conglomerate more commonly known simply as Maersk. Maersk has activities in a variety of business sectors, primarily within the transportation and energy sectors. It is the largest container ship operator and supply vessel operator in the world.
A.P. Moller - Maersk is based in Copenhagen, Denmark, with subsidiaries and offices in more than 130 countries worldwide and around 120,000 employees. It ranked 106 on the Fortune Global 500 list for 2009, up from 131 in 2008.