ECRAF is open to all European Armed Forces. Membership is approved by the General Assembly and is free to participating nations.
ECRAF has since it was established been supported by the Armed Forces in the following nations:
- Austria
- Belgium
- Bosnia and Herzegovina
- Croatia
- Cyprus
- Czech Republic
- Denmark
- Finland
- France
- Germany
- Greece
- Hungary
- Irland
- Israel (Observer)
- Italy
- Latvia
- Lithuania
- Netherlands
- Norway
- Poland
- Portugal
- Serbia
- Slovakia Republic
- Slovenia
- Spain
- Sweden
- Switzerland
- United Kingdom
