Hans Weerstra

Van Leeuwen Buizen Groep BV engages in the manufacture and distribution of steel pipes, and pipe and tube applications. Its product portfolio includes round tubes, valves, hollow sections, breams, pipe components, and bar steel. The firm also offers services including material treatments, digital services, testing and inspection, technical information, logistical services, and project management. The company was founded by Piet Van Leeuwen in 1924 and is headquartered in Zwijndrecht, the Netherlands.

Van Leeuwen Pipe & Tube Corp. engaged in operating trading company that specializes in steel pipes, valves, and fittings. It offers round tubes, hollow sections, pipe components, bar steel. valves, and beams. The firm also offers material treatments, testing and inspection, logistics services, project management, and digital services. The firm serves fluid power, equipment manufacturing, steel constructions, process, and power markets. The company was founded on July 18, 1975 and is headquartered in Houston, TX.

SMIT Internationale NV engages in the provision of maritime services. It offers assistance to incoming and outgoing seagoing vessels, including roll on roll off ships, oil and chemical tankers, container ships, reefers, and mixed cargo ships. The company was founded by Fop Smit in 1842 and is headquartered in Papendrecht, the Netherlands.

Aon Plc is engaged in the provision of a range of risk, retirement, and health solutions. It operates through Aon United segment. The Aon United segment gives advice and solutions to clients focused on risk, retirement, and health through five principal products and service revenue lines: Commercial Risk Solutions, Reinsurance Solutions, Retirement Solutions, Health Solutions, and Data and Analytic Services. The Commercial Risk Solutions includes retail brokerage, cyber solutions, global risk consulting, and captives. The Reinsurance Solutions comprises treaty and facultative reinsurance brokerage and capital markets. The Retirement Solutions consists core retirement, investment consulting, and talent, rewards and performance. The Health Solutions involves in heath and benefits brokerage and healthcare exchanges. The Data and Analytic Services composes of Affinity, Aon InPoint, and ReView. The company was founded in 1979 and is headquartered in London, the United Kingdom.

Fluvia Holding BV provides tanker shipping and port logistics services. Its offers inland tanker shipping, storage, toll oil refinery and tanker chartering services. The company was founded by Roelof R. Hendriks in 2004 and is headquartered in Rotterdam, the Netherlands.

ICEPAY BV provides online payment services to business of all sizes through its multichannel transaction platform. Its payment methods includes iDEAL, PayPal, Sepa Direct Debit, Wire Transfer, and Pay by SMS. The company was founded by Steven de Boer in 1999 and is headquartered in Amsterdam, the Netherlands.

Koninklijke Ahrend BV operates as a financial holding company which engages in furniture related business. The company was founded by Jacobus Ahrend in 1896 and is headquartered in Sint-Oedenrode, 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.

MerweOord BV operates as holding company with interest in providing dredging, offshore and marine engineering services. The company is headquartered in Gorinchem, the Netherlands.

Part of MISTRAS Group, Inc., GMB Holding BV is a Dutch company that specializes in water quality and safety, bio-energy, and construction and infrastructure. The company is based in Opheusden, Netherlands. GMB is committed to promoting safety, a cleaner world, and efficient use of resources and energy. The company strives to make a difference for their clients and society by working closely with their partners and achieving excellent results.

Deltares operates as an independent institute for applied research in the field of water and subsurface. It works on smart solutions, innovations and applications for people, environment and society. The firm focuses on deltas, coastal regions and river basins. The company was founded in 2008 and is headquartered in Delft, the Netherlands.

van Leeuwen Buizen Europa BV manufactures and distributor of steel pipes, valves and fittings. The company is headquartered in Zwijndrecht, the Netherlands.

P. van Leeuwen Jr's Buizenhandel BV supplies iIron and steel products. The company is headquartered in Zwijndrecht, the Netherlands.

Part of Allianz SE, Universal Leven NV is a Dutch company that operates international research universities. The company is based in Leiden, the Netherlands.