The hyphen SA group, based in Thessaloniki, is the only institution in Europe that specializes in educational engineering. Launched in April 2003, the hyphen SA group now includes the following brands: hyphen – Publishing Services, the αriston project Ltd –International Think Tank for Educational Methodology, Elaeon – Training Centres for Skills Agenda 2020, and Parker.Stergis. Publishing – Special Editions. Based in Greece and also in Solihull, UK for the Think Tank the αriston project Ltd, hyphen SA utilizes over 330 education specialists, educational publishing experts and managerial staff in more than 20 countries. Partnerships are exclusive and include some of the largest publishing houses in the world.