In 1971, Goedkoop merged with Van Wezel from Hengelo (Netherlands): a company that specialized in heavy transport and cranes.

In 1972, another company was acquired, Stoof Breda, which at that time was one of the market leaders in engineered heavy lifting and transport in the Netherlands.

In 1973, Mammoet Transport became a subsidiary of Koninklijke Nederlandse Stoomboot-Maatschappij (KNSM) located in Amsterdam.

[4] Mammoet has been involved in several high-profile projects, including the transportation of a 600-tonne tunnel boring machine in London.

The company also played a key role in the construction of the world’s largest offshore wind farm, the London Array.