Peri specializes in delivering construction projects for hydropower plants, power transmission lines, pipelines, roads, bridges, tunnels, a variety of structures, buildings, suspended cable roads and other facilities in rough terrains.  It should be noted that the Company successfully implements all construction phases from design engineering to the handover and commissioning of a completed construction project.   Since 2007, the Company has implemented and effectively operated a Quality Management System under ISO 9001:2015 for the following scope The provision of the engineering services, management of design; construction and commissioning of all classes of building used for industry and civic purposes. Certificate No: QEC24351. Peri operates a Occupational Health and Safety Management System which complies with the requirements of OHSAS 18001:2007. Certificate No: HSM40793 Also PERI operates a Environmental Management System which complies with the requirements of ISO 14001:2004 for the following scope The provision of the engineering services, management of design. Certificate No: EMS40835  As Peri continues putting great emphasis on skilled staff, a considerable part of our staff members have a 27-year working experience.