Note: Australia is generally considered to be a continental landmass, rather than an island. If however one does count Australia among the islands it, not Greenland, would be the largest in the world (unless one also considered Antarctica an island).
... Service[?] (SPP)
Romanian Intelligence Service[?] [SRI]
Russia
Federalnaya Sluzhba Bezopasnosti (FSB, successor of KGB)
Glavnoye Razvedyvatelnoye Upravlenie[?] ...