Ronald J. Lamé

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.

Joh. Mourik & Co. Holding BV operates as a holding company with interest in concrete repairs, electrical engineering, roofing, plumbing and integral maintenance of real estate. The company is headquartered in Groot-Ammers, the Netherlands.