Foreign partner services:
KAPO – Estonian Internal Security Service
EFIS – Estonian Foreign Intelligence Service
VSD – State Security Department of the Republic of Lithuania
AOTD – Second Investigation Department under the Ministry of National Defence of Lithuania
ABW – Internal Security Agency of Poland
SUPO – Finnish Security and Intelligence Service
SAEPO – Swedish Security Service
PET – Danish Security and Intelligence Service
PST – Norwegian Police Security Service
BfV – Federal Office of the Protection of the Constitution of the Federal Republic of Germany
DGSI – French General Directorate of Internal Security
MI5 – British Security Service
FBI – Federal Bureau of Investigation of the United States of America
CIA – Central Intelligence Agency of the United States of America