Since it was founded, Marzasa has continuously supplied the Spanish Armed Forces, as well as those of other countries.

Over 3,000 units are currently working at full service in the Spanish Armed Forces, both in the Army and the Air Force, Marine Infantry. Foreign armies have also entrusted Marzasa with the manufacture of units for use in their own armies. Units manufactured by Marzasa are currently operative in armies of countries such as Germany, Singapore, Austria, Morocco, the Dominican Republic, etc.