Bart R. Okkens

Ace Innovation Holding BV manufactures and supplies overhead travelling cranes hoists. The company was founded in 1965 and is headquartered in Schiedam, the Netherlands.

Part of Esselink Beheer BV, Esselink Groep BV is a Dutch company that engages in building materials. The company is based in Middelharnis, Netherlands. The company was founded in 1913 by Cornelis Esselink.

Bergschenhoek Groep BV is a holding company, which engages in the manufacture of ventilation equipment. Its divisions include air and ventilation; ground, civil and hydraulic engineering and water management; and flue gas discharge. The company was founded by Huig Rook in 1919 and is headquartered in Bergschenhoek, the Netherlands.

Huisman Equipment BV designs and manufactures heavy construction equipment. It's products include cranes, pipelay, drilling, winches, heave construction, special projects, vessel designs, and renewable. The company was founded in 1929 and is headquartered in Schiedam, the Netherlands.