♦ Producers, for the calibration of their measuring equipment used for the control of their industrial installations, or in their self-control laboratories;
♦ Private laboratories, university laboratories and technical centers.

As such, it organizes each year a campaign of inter-laboratory tests in favor of about forty Moroccan and foreign laboratories.

These campaigns cover a wide range of tests, nearly 60 inter-comparisons affecting several types of construction products (cement, Ready-Mix Concrete, Agglo, aggregates, ceramic tiles, soils, waterproofing membrane).

These tests aim to evaluate the performance of the testing laboratories or self-control laboratories of the Building/Construction materials sector manufacturers, to monitor the maintenance of their performance and to improve the confidence of their customers and/or users.