Armed Forces: The Air Force, Navy, The Hellenic Army

Ministries: Ministry of National Defence, Ministry of Education, Lifelong Learning and Religious Affairs, Ministry of Health and Social Solidarity, Ministry of Infrastructure, Transport and Networks etc.

Municipalities & Prefectures: From all around the country

Public companies: PUBLIC POWER CORPORATION, WATER SUPPLY & SEWERAGE COMPANY, INDEPENDENT POWER TRANSMISSION OPERATOR, THERMAL BUSES COMPANY, HELLENIC TELECOMMUNICATIONS ORGANIZATION, HELLENIC RAILWAYS ORGANISATION, etc.

Other: Hospitals, Universities, Technical Institutes, Museums, Banks, Prisons, Camps, etc.