ERV Teknikk Lyngdal AS is a Norwegian installer at Lyngdal, Agder. It holds FG-760 Brannalarmforetak in the FG-Kontroll register for design, installation, technician and inspection, valid to 2027-02-02. Its certificate spans four or more of the FG roles, which is the full span the scheme offers: FG scopes an approval by role, so a firm may design without being approved to install, or inspect without either.