By yiangos / Footer 3GS private security company provides security services and expertise to private and public clients including guard and patrol services. CONTACT INFO Everyday is a new day for us and we work really hard to satisfy our customers everywhere. 3GS Security Misiaouli & Kavazoglou 38 7000 6262 3gs.offices@gmail.com Mon – Sat 9:00 – 19:00
