Régis Vankerkove

DEME Environmental NV provides dredging services. The company is based in Zwijndrecht, Belgium, and has subsidiaries in Belgium, UK, Ireland, and Norway. The Belgian company was founded in 1988. Dirk Poppe has been the CEO of the company since 2014. DEME Environmental was acquired by Dredging, Environmental & Marine Engineering NV, part of Ackermans & van Haaren NV from June 30, 2022, on March 12, 2003.

Part of DEME Environmental NV, Ecoterres SA provides remediation and waste management services. The company is based in Farciennes, Belgium. Founded in 1990.

Oilco SA, founded in 2007, specializes in the collection, transport, and recycling of used oils and fuels. The private company is based in Saint-Ghislain, Belgium.

G-tec SA provides geotechnical engineering services. It specializes in worldwide geophysical investigations, geotechnical investigations, and environmental investigations. The company was founded by Lucien Halleux in 1993 and is headquartered in Herstal, Belgium.