GH van Nieuwpoort

Optimix Vermogensbeheer NV (Optimix) is a Netherlands-based investment management firm which was founded in 1983 by Ruurt Hazewinkel and Frits Westerner. They are a subsidiary of Svenska Handelsbanken AB (STO: SHB-A) in Sweden. Headquartered in Amsterdam, the firm manages the Optimix funds for private individuals and institutions.

Van Nieuwpoort Beheer BV manufactures & supplies readymix concrete. The company is headquartered in Gouda, The Netherlands.

Mammoet Europe BV engages in the provision of heavy lifting and transportation solutions in onshore and offshore locations. It offers marine operations, terminals, energy support, contracting, trading, weighing, and engineering services. The company is headquartered in Schiedam, the Netherlands.

Van Oord NV engages in the marine engineering business. The firm focuses on the dredging, offshore wind and offshore oil and gas. It offers investments and recycling, offshore wind installation, cutter suction dredger, flexible fall pipe vessel, cable-laying vessel, trailing suction hopper dredger, side stone dumping vessel, water injection dredger, backhoe, hopper barge and push buster, shallow water pipe lay barge and other equipment. The company was founded by Jan van Oord in 1948 and is headquartered in Rotterdam, Netherlands.

Raadgevend Technisch Buro van Heugten BV provides industrial planning and consulting services. The company was founded in 1951 and is headquartered in Nijmegen, the Nederlands

Van Boldrik Bouwgroep BV provides construction services. The private company is based in Eindhoven, Netherlands and has subsidiaries in Netherlands.

Hurks Groep BV provides real estate services. It offers real estate development, project implementation, engineering, maintenance, and building components. The firm specializes in the areas of urban development, innovation centers and hospitals, high-rise buildings, and transformations. The company was founded in 1998 and is headquartered in Eindhoven, the Netherlands.

Convest BV offers machine installations, and industrial and project relocations through its subsidiary. The firm serves the printing, automotive, laboratory, food, plastics, healthcare, and petrochemical industries. The company is headquartered in Maastricht, the Netherlands.

Dockwise BV provides marine transportation services to the offshore, onshore and yachting industries. It offers logistics, project management, closed-stern vessels, procurement, engineering and installations services. The company is headquartered in Breda, Netherlands.

Beton Son BV manufactures bricks, tiles and construction products. The firm engages in the production of structural precast concrete floors, foundation and construction elements. The company was founded in 1956 and is headquartered in Son, the Netherlands.

Schiphol Area Development Co. NV was founded in 1987 and develops international and regional business and office parks. The private company is based in Schiphol, Netherlands.

Part of BV Newomij-Groep, Newomij Financieringen BV offers management and consulting for homeowners' associations and real estate financing services. The company is based in Naarden, the Netherlands. The Dutch company was founded in 1958. Robert Jan van Hamersveld has been the CEO of the company since 2017.

Publiek Belang Elektriciteitsproductie BV provides electricity distribution and generation services. The private company is based in 's-Hertogenbosch, Netherlands.

Part of Akzo Nobel NV, NEN markets paper chemicals. The company is based in Cinderella, Japan.