Belgocontrol is an autonomous public company with the following mission:


1: To ensure the air traffic safety in the airspace for which the Belgian State is responsible.

2: To control the aircraft movements at and around Brussels National Airport.
As a result of the co-operation agreement with the Regions,
Belgocontrol also ensures the air traffic safety at the regional public airports and airfields.

3: To supply information about air traffic to the police, the airport inspection and the air traffic services.

4: To provide meteorological information to the air traffic services
as well as to telecommunication services and other services.


Source: Belgocontrol website


You can visit them on the internet here.
Information is available in English, French & Dutch.