Manufacturing, assembly, welding of metal structures and carbon steel and stainless steel piping in the field of air conditioning, heating and industry; the company may also carry out, either on its own account or on behalf of third parties, all financial, commercial, industrial, movable and immovable transactions in Switzerland and abroad, directly or indirectly related to the main purpose; it may also create branches and subsidiaries in Switzerland and abroad, take participations, found or finance companies in Switzerland or abroad.