GAIA S.A.
Engineering consulting services Email: info@gaiasa.gr Address: 95 Monastiriou Street Post Code: 546 27 THESSALONIKI Telephone: 2310 540.107 Website: www.gaiasa.gr
G4S HELLAS HOLDING S.A.
Total security services. Email: – Address: 7 Sorou Street Post Code: 144 52 METAMORPHOSSIS Telephone: 210 289.6300 Website: www.g4s.gr