CFE is engaged in civil engineering, buildings and industrial construction, dredging works and electrical installations. Co. is also engaged in property development, environmental protection and building management. Co.'s works carried on by Co.'s civil engineering group includes the following: hydraulic engineering, harbor works, bridges, and other engineering works, tunnels, road construction, dams, storage tanks, piping and drainage and caissons sunken soft soil. Co.'s buildings and industrial construction sector is active in the following fields: administrative buildings, industrial construction, public utility buildings, redevelopment, and residential buildings.

Etablissements FR Colruyt is engaged in wholesale, food service, distribution of fuels, production of electricity and digital printing. Co. has three operating segments: retail, which relates to stores under Co.'s own management which directly sell to retail customers and bulk consumers; wholesale and foodservice, which supplies to wholesalers, commercial customers and affiliated independent merchants; and other activities, which operates gas stations, engaged in printing and document management and provides alternative energy.