Maersk Line is a Danish international container shipping company and the largest operating subsidiary of Maersk, a Danish business conglomerate. Founded in 1928, it is the world's second largest container shipping company by both fleet size and cargo capacity, offering regular services to 374 ports in 116 countries. In 2019, it employed 83,625 people where 18,398 of which are vessel crew and the other 65,227 are processing and operations personnel in offices and ports. Maersk Line operates over 708 vessels and has a total capacity of about 4.1 million TEU.

A.P. Møller – Mærsk A/S, also known simply as Maersk, is a Danish shipping and logistics company founded in 1904 by Arnold Peter Møller and his father Peter Mærsk Møller.