Within John Cockerill, nuclear activities in France are carried out by John Cockerill Services Muon, based in Ennery, and by local entities covering the French territory.
They carry out studies, calculations, manufacturing, removal and replacement of heavy equipment, opening and closing of tanks and replacement of large components.
John Cockerill Services Muon, holder and guarantor of all nuclear qualifications, is a specialist in nuclear valves, boiler making and piping, and offers integrated services.