J. Hans Kamps

Royal Boskalis Westminster NV engages in the provision of maritime services. It operates through the following segments: Dredging and Inland Infra, Offshore Energy, and Salvage, Towage, and Holding. The Dredging and Inland Infra segment is involved in all activities required to remove silt, sand, and other layers from the seabed and river bed and in some cases in coastal protection and land reclamation. The Offshore Energy segment focuses on offshore contracting capabilities and services of the group in international energy sector, including oil and gas companies and providers of renewable energy, such as wind power. Salvage, Towage, and Holding segment provides assistance to incoming and outgoing ocean-going vessels through the joint ventures of the group, Keppel Smith, Saam Smit Towage, and Kotug Smit Towage. The company was founded in 1910 and is headquartered in Papendrecht, the Netherlands.

Van Wijnen Holding NV operates as a financial holding company with activities in the construction and property development industry. The company is headquartered in Baarn, the Netherlands.

Boskalis Nederland BV provides dredging and maritime services. The company is headquartered in Rotterdam, the Netherlands.

Heisterkamp Transport BV provides transportation services. The company is headquartered in Oldenzaal, the Netherlands.