- Ministry of Defence
- Spanish Army
- Air and Space Army
- Spanish Navy
- Defence Staff (EMAD)
- National Intelligence Center (CNI)
- Social Institute of the Armed Forces (ISFAS)
- Institute of Housing, Infrastructure and Defense Equipment (INVIED)
- Canal of Hydrodynamic Experiences of El Pardo (CEHIPAR)
- Centre for National Defence Studies (CESEDEN)
- Spanish Institute of Strategic Studies (IEEE)
- National Institute of Aerospace Technology (INTA)
- Royal Guard