The core activity of L & F Serrurerie et Constructions Métalliques is the provision of services and works in the field of metal construction, locksmithing and security. This includes in particular: metal constructions, including the manufacture of structures for elevators and the cladding of elevator cabins; locksmithing works, including the manufacture and installation of doors, gates and other metal parts; security services, including the installation and maintenance of security systems; troubleshooting and repair of metal parts and security systems; maintenance and upkeep of metal constructions and security systems.