Vannes 56000 - Bretagne
- Arcuset
- Ardon
- Arese
- Argentin
- Argo-le Faucheur
- Argouarch
- Arhel
- Arhiman
- Arhzaf
- Arin
- Arnoux
- Arrenous
- Arribart
- Arrila
- Arroca
- Arroussi
- Arru
- Artero
- Artero Et Bak
- Arthenac
- Arthuis
- Arton
- Artéro
- Arzul
- As Ni Plus Ni Moins
- Aseyev
- Ashikja
- Askari
- Asnar
- Asquiedge
- Assandoi Dit Laforgue
- Assani
- Asso Babigou Breizh
- Association
- Association Tennis Club Vannetais
- Assoumani
- Astier
- Astier Bourbon
- Astoul
- Ataide Minora
- Atanasio
- Atanosov
- Athane
- Atlan
- Atride
- Attard Communication
- Attinger
- Attiogbe
- Auassar
- Aube
- Aubril
- Aubron
- Aubry Duval
- Auclair
- Audemard
- Audibert Blandine
- Audion
- Audoire
- Audouin
- Audoux
- Audreno
- Auffray
- Aufrère
- Augeral
- Augeri
- Augier
- Augiron
- Augu
- Auguin
- August
- Augustin
- Augusto
- Aulard Diallo
- Aulnette
- Aumand
- Aureal
- Auriacombe
- Auriau
- Auriault
- Aurivel
- Aurore
- Autet
- Auto Clean Vannes
- Autret
- Auvin
- Avenel
- Avenir Chauffage
- Avetisovi
- Avignon
- Avis
- Avrain
- Avranches
- Awad
- Axelle
- Aymard
- Ayral
- Aytouni
- Azaizia
- Azalbert
- Azedi