- Agricultural University of Athens DEQARINST1221 GR0009 Γεωπονικό Πανεπιστήμιο Αθηνών Athens (Greece)
- Agricultural Academy DEQARINST4128 BG0055 Селскостопанска академия Sofia (Bulgaria)
- Agrarian State University of Moldova DEQARINST3225 MD0027 Universitatea Agrară de Stat din Moldova Chişinău (Moldova)
- AGH University of Science and Technology DEQARINST5524 Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie Kraków (Poland)
- Afyon Kocatepe University DEQARINST2421 TR0006 Afyon Kocatepe Üniversitesi Afyonkarahisar (Türkiye)
- Aeres University of Applied Sciences DEQARINST1768 NL0060 Aeres Hogeschool Almere (Netherlands)
- Adventus University of Cernica DEQARINST6827 RO0096 Universitatea "Adventus" din Cernica Cernica (Romania)
- Adventist Theological College, Pécel DEQARINST4626 HU0038 Adventista Teológiai Főiskola Pécel (Hungary)
- Adriatik University Bar DEQARINST5227 ME0013 Univerzitet "Adriatik" Bar Bar (Montenegro)
- Adelshofen Theological Seminary DEQARINST8694 Theologisches Seminar Adelshofen Eppingen (Germany)
- Addis Ababa University DEQARINST7367 Addis Ababa (Ethiopia)
- Adana Alparslan Türkeş Science and Technology University DEQARINST2418 TR0003 Adana Alparslan Türkeş Bilim ve Teknoloji Üniversitesi Adana (Türkiye)
- Adam University DEQARINST7299 Университет Адам Bishkek (Kyrgyzstan)
- Adam Mickiewicz University in Poznań DEQARINST1962 PL0190 Uniwersytet im. Adama Mickiewicza w Poznaniu Poznań (Poland)
- Actuarieel Genootschap & Actuarieel Instituut DEQARINST8835 NL0809 Utrecht (Netherlands)
- accadis Hochschule Bad Homburg (Priv. FH) DEQARINST0572 DE0288 Bad Homburg (Germany)
- ACC AKADEMIA COLLEGE DEQARINST4530 CY0027 Larnaca (Cyprus)
- Académie Royale des Beaux-Arts de la Ville de Bruxelles DEQARINST0096 BE0033 Académie royale des Beaux-Arts de la Ville de Bruxelles - École supérieure des Arts Brussels (Belgium (French Community))
- Académie des Beaux-Arts de Tournai DEQARINST0095 BE0032 Académie des Beaux-Arts de la ville de Tournai Tournai (Belgium (French Community))
- Academy of Visual Arts - AVA DEQARINST4848 SI0079 Akademija za vizualne umetnosti - AVA Ljubljana (Slovenia)