- European Union External Action Service (EEAS)
- NATO HQ
- Allied Land Command
- Allied Command Europe Rapid Reaction Corps (ARRC)
- Headquarters Rapid Reaction Corps – France
- NATO Rapid Deployable Corps – Italy
- NATO Rapid Deployable Corps – Spain
- NATO Rapid Deployable Corps – Greece
- Headquarters 1. German/Netherlands Corps
- Multinational Corps Northeast
- German Ministry of Defence
- French Ministry of Defence
- Belgian Ministry of Defence
- Spanish Ministry of Defence
- Luxembourgian Ministry of Defence
- Polish Ministry of National Defence
- Italian Ministry of Defence
- Greek Ministry of National Defence
- Turkish Ministry of National Defence
- Romanian Ministry of National Defence