: Social security organization for reporters.
General Secretariat of Social Security
: Part of the ministry of Labor, focusing on analyzing and improving the social security system in Greece.
: The Social Security Institute is the largest insurance institution in Greece.
IKA - Technical Services
: Subsidiary of IKA, with the purpose of providing technical consulting in regards to new building development and maintainance for IKA.
: Social security organization for the all the people employed in the marine industry.
: Social security organization for health and pension plans of the workers of OTE and OSE.
: Fund for craftsmen and small traders.
: Social security organization for engineers and public works contractors.