Olivier Grandjean

Socogetra NV provides roads and civil engineering solutions. It specializes in roads and motorways, sewage treatment and environment, main and branch pipework, commercial and industrial infrastructure; and the restoration and maintenance of roads and highways. The company was founded in 1948 and is headquartered in Awenne, Belgium.

Part of Bevafin SPRL, Etablissements Jean Wust SA is a Belgian company that provides real estate development, construction, and renovation services. The company is based in Thimister-Clermont, Belgium. The company was founded in 1932 by Jean Wust. The CEO is Olivier Grandjean.

G.N.B. Beton SA is a concrete production and delivery company based in Bastogne, Belgium. The Belgian company specializes in producing benor concrete, fiber, lean, and draining concrete. GNB Beton is nominated at the Trends Gazelles 2023 in the province of in the category of medium-sized enterprises. The private company offers ready-to-use concrete, floor slabs, and stackable blocks throughout Wallonia. The company's gn-blocs are stable and repositionable piles that do not require mortar, making them perfect for temporary and permanent structures. The company was founded in 2000 and offers fresh concrete production and delivery "just in time" within approximately 120 minutes.

Carrieres de Gres Reunies SA is a Belgian company that was founded in 2000 and engages in the extraction of building and ornamental stones. The private company is based in La Roche-en-Ardenne, Belgium.