Jacobus G. van Oord

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.

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.

Van Leeuwen Pipe & Tube Group BV distributes steel pipe, valves, and fittings. It offers round rubes, hollow sections, pipe components, bar steel, and beams. The firm also offers material treatments, testing and inspection, logistics services, digital services, and technical infotmation. The company was founded by Piet Van Leeuwen in 1924 and is headquartered in Zwijndrecht, the Netherlands.

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 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.

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