Contractor Company Markus B.V. specializes in infrastructure, remediation, demolition, civil engineering and non-urban engineering.

The contractor company Fens Beheer B.V. / Afezo specializes in sewer installation, infrastructural projects and construction site preparation. Many municipalities and water companies are amongst the clientele.

Boskalis Nederland is a lead contractor for multidisciplinary infrastructural projects on land and in water. Many of them are related to the construction and maintenance of roads and ports, coastal and river bank protection or land reclamation.

Dimco B.V. is situated in the Port of Amsterdam. The company is a specialist in designing and constructing marine infrastructure. Its projects complement and reinforce the activities of other companies within parent company DEME.

Gebrs. Bouwman sloop- en grondwerken B.V. specializes in demolition and site preparation. The demolition work includes the stripping of offices and the dismantling of buildings.

Heijmans Facilitair Bedrijf operates a production facility in the Port of Amsterdam. At the site, the company prepares asphalt for road construction projects in the central and northern regions of the Netherlands.

Jansen Beton Amsterdam B.V. concerns a facility for the production of concrete. At the location, a variety of concrete mortars are manufactured for construction projects in the Amsterdam region.

KWS Infra Amsterdam B.V. specializes in project design, remediation, asphalt maintenance, sewer works, paving and hydraulic engineering projects.

Lievense provides services at the intersection of hydraulic engineering, pipeline infrastructure and environmental technology. These services usually involve preparation, design and implementation of infrastructure construction projects.