The first partner of the Testing Department is the Research Department with who it maintains a close cooperation.
Belgian and foreign cement producers also constitute privileged partners.
As a De Groote Centre, the CRIC-OCCN is member of the Union of the Collective Research Centers (UCRC).
It collaborates with many other institutions like the other Collective Research Centers (the BBRI or the BRRC), the schools and universities, the ministries and administrations.
The Testing Department also proposes its services to the contractors and producers related to the sector of construction, to architects, to offices of expertises and to private individuals.