DORCE owned an updated version of ISO 9001:2015 Quality Management System Certificate as well as ISO 14001: 2015 and OHSAS 18001: 2014 Certificates DORCE Inc. owned an updated version of ISO 9001:2015 Quality Management System Certificate, which has been published with it’s expanded scope including Production, Project Site Management, Design, R&D, Engineering and Contracting Services as well as Prefabricated Buildings and Infrastructure and Housing services. We are proud to say that Turkish Standards Institution has been successfully completed the audit process of our company, by visiting the production facilities, administrative and technical units, HQ office and project department and finally our overseas more..