The Institute includes fourteen services, of which eight are horizontal services:
The Communication Department;
The Registry;
The Financial Department;
The Translation Department;
The International Relations Department;
The Telecom Market & Media Department;
The Monitoring Department;
The IT Department;
The Assignment Department ;
The Legal Department;
The Staff Management Department;
The Consumer Department;
The Postal Market Department;
The Purchasing and Logistics Department.
The Institute's staff totals 250 people, a number made up of contractual, statutory and assigned staff.