www.tee.gr – ΤΕCHNICAL CHAMBER OF GREECE

www.oaed.gr NATIONAL ORGANIZATION OF EMPLOYMENT  OF GREECE

www.sev.org.gr – HELLENIC FEDERATION OF ENTERPRISES

www.grnet.gr – HELLENIC SCIENTIFIC NETWORKS

www.esyd.gr – HELLENIC ACCREDITATION SYSTEM

www.cembureau.eu – EUROPEAN CEMENT ASSOCIATION

www.iaf.nu – INTERNATIONAL ACCREDITATION FORUM

www.wbcsd.org – WORLD BUSINESS COUNCIL FOR SUSTAINABLE DEVELOPMENT

www.eib.org – EUROPEAN INVESTMENT BANK

www.ifc.org – INTERNATIONAL FINANCE CORPORATION

www.gipcghana.com – GHANA INVESTMENT PROMOTION CENTER

www.buildingcert.gr – MINISTRY OF ENVIRONMENT & ENERGY – ENERGY INSPECTORS