Groupe Bull is to bring a large part of its sales operations together in a new 600,000 square foot tower to be built at La Defence, just outside the Paris city walls: the migration is planned for 1990 and the building will house over 2,000 people, each with a workstation, on 32 floors, and will be wired with the Bull Cabling System and offer all the features of the socalled Intelligent Building scheme.