Frank A. Verhoeven

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.

Houdstermaatschappij Dekker BV is a family-owned business that has been active for over 100 years in winning sand, gravel, and clay for construction, landscape development, logistics, land for redesign, and concrete. The private company is based in IJzendoorn, Netherlands. The Dutch company's core business is nature-inclusive and sustainable sand and gravel extraction along the rivers, transforming agricultural floodplains into water-rich nature with opportunities for biodiversity, high water safety, energy transition, and recreation.

VBMS BV engages in oil and gas installation. It delivers added value with its robust end-to-end project management and multi-disciplinary grid-to-grid solutions. The company was founded in 2008 and is headquartered in Papendrecht, the Netherlands.

Koninklijke VolkerWessels NV provides construction services. It operates through the following business and geographical segments: Construction & Real Estate Development, Infrastructure, Energy & Telecom Infrastructure, UK, North America and Germany. The Construction & Real Estate Development segment consists of companies that are in residential and nonresidential construction and renovation, the provision of technical installation services, real estate development, and industrial construction supply. The Infrastructure segment undertakes activities in the design and realization, project management and maintenance of infrastructure projects in connection with civil works, road construction, concrete and hydraulic engineering, railway infrastructure construction, traffic management and traffic technology, and smart mobility. The Energy & Telecom Infrastructure segment consists of energy infrastructure business and telecom infrastructure business. The UK segment delivers civil engineering projects, rail services, specialist marine, water and environmental engineering projects, highways maintenance and renewal projects, and industrial and commercial building. The North America segment focuses on the construction and maintenance of road and highways infrastructure and the construction and installation of underground civil works and utilities. The Germany segment develops and constructs residential property and low cost subsidized housing located in prime cities. The company was founded in 1854 and is headquartered in Amersfoort, Netherlands.

Dekker Groep BV operates as a financial holding company with activities in the countertop market. The company was founded by Gijsbert Dekker in 1930 and is headquartered in Zevenhuizen, the Netherlands.

Part of Ampelmann Operations BV, Ampelmann Netherlands BV functions as an investment holding Dutch company. The company is based in Delft, Netherlands.