Maersk was established in 1904 in Denmark and has since grown to be a global shipping and logistics company. It operates more than 550 container vessels and has offices in over 130 countries, employing around 120,000 people worldwide. Key milestones in Maersk's history include acquiring P&O Nedlloyd in 2005, which made it the largest container shipping company, and expanding into oil production and terminals. Today, Maersk is engaged in multiple business lines including container shipping, terminals, tankers and offshore drilling.