| A/Synechia |
| Abbeville |
| Abrams |
| Academia Verlag |
| Academy Editions |
| Acantilado |
| Accademia di studi italo-tedeschi |
| Actes Sud |
| Add Editore |
| Addison-Wesley |
| Adelphi |
| Aditya Prakashan |
| Adriana Hidalgo Editora |
| Agerings Bokforlag |
| Akademicheskij Proekt |
| Akademska Knjiga |
| Al Arabi Publishing |
| Albin Michel |
| AlboVersorio |
| Aleph Publishing |
| Alexandria |
| Allary |
| Allen Lane |
| Amsterdam University Press |
| Anabet |
| Anagrama |
| Anaya - Tecnos |
| Andrea Fei |
| Anetta Antonenko |
| Angot |
| Aracne |
| Archaeopress |
| Argo |
| Argo Publishers |
| Armando Editore |
| Art House |
| Artes Médicas |
| Asdic |
| Ashgate |
| ASPB - American Society of Plant Biologists |