| Alliance of Bioversity International and the International Center for Tropical Agriculture | QT1 | Italie |
| Universidade Nova de Lisboa | PT8 | Portugal |
| A. O. Kovalevsky Institute of Biology of the Southern Seas of RAS | RV1 | Fédération de Russie |
| Academician Abdulla Garayev Institute of Physiology | AZA | Azerbaïdjan |
| Academy of Sciences of the Democratic People's Republic of Korea | KP0 | République populaire démocratique de Corée |
| Academy of Sciences of the Islamic Republic of Iran | IRT | Iran (République islamique d') |
| Acharya N.G. Ranga Agricultural University | INC | Inde |
| Acta Natura et Scientia | TRT | Turquie |
| Action for Sustainable Efficacious Development and Awareness | INJ | Inde |
| Addis Ababa University | ET1 | Éthiopie |
| Aegean Agricultural Research Institute | TRC | Turquie |
| Afe Babalola University | NG4 | Nigéria |
| Africa Nazarene University | KE8 | Kenya |
| Africa Scholarly Science Communications Trust | KE9 | Kenya |
| African Crop Science Society | UG3 | Ouganda |
| African Journals OnLine | AJ0 | Afrique du Sud |
| African Union | ET2 | Éthiopie |
| AfricaRice | QA1 | Côte d'Ivoire |
| Afyon Kocatepe University | TRV | Turquie |
| Aga Khan University | PK1 | Pakistan |
| Agency for the Promotion of European Research | ES3 | Espagne |
| Agricultural Academy | BG4 | Bulgarie |
| Agricultural Documentation Centre, Ministry of Agriculture and Irrigation | YE0 | Yémen |
| Agricultural Knowledge and Innovation Institute | SK0 | Slovaquie |
| Agricultural Planning, Economics, and Rural Development Research Institute | IRD | Iran (République islamique d') |
