From Wikipedia, the free encyclopedia.
- United Nations - Arabic, Chinese, English, French, Russian, and Spanish
- Inter-Parliamentary Union - French and English (Conferences also have simultaneous interpretation into Spanish and Arabic.)
- Association of Southeast Asian Nations - English
- European Union - Danish, Dutch, English, Finnish, French, German, Greek, Italian, Portuguese, Spanish, and Swedish
- Organization of African Unity - Arabic, English, French, and Portuguese
- Organization of American States - English, Spanish, French, and Portuguese
- North Atlantic Treaty Organization - English and French
