Index des producteurs
- A William Worthington Production
- A. Capellani Prod.
- A.C.E.
- A.M.L.F.
- A.S. Films
- Aardman
- Abbey Films Prod.
- ABS Sarl
- ACE
- Acme Pictures Corp.
- Action Films
- Actor-Films
- Adel Production
- Adel Productions
- Advanced Motion Picture Corps.
- Aigle Film
- Ajace Cinematografica
- Alba Film
- Albert Capellani Productions
- Albertini-Film GMbH
- Alcina
- Alex Nalpas
- Alfredo Robert
- Alga-Films
- Alliance Atlantis
- Alliance Atlantis Communications
- Alliance Communications
- Alliance de Production Cinématographique
- Allied Filmmakers
- Alternative Films
- Alvy Distribution
- Alvy Productions
- Amaranta
- Ambrosio-Films
- American Film Co.
- American Kinema
- American Zoetrope
- AMLF
- An American 'Flying A' Picture
- Anderson-Brunton Co.
- Andrea Films
- Andréani Films
- Animatographo
- Anita Stewart Productions
- Antenne 2
- Antigone Cinéma
- Appaloosa Films
- Applecross
- APT Films
- Aramid Entertainment Fund
- Arcadia
- Archer Street Productions
- Arco Film
- Ardsley Art Film Corp.
- Argos Films
- Ariel-Tobis
- ARP
- Arrow Film Corp.
- Arrow Film Corporation
- Arta Film
- Artco Productions
- Arte France Cinéma
- Artémis Productions
- Artemis Productions
- Arthur F. Beck
- Artia-Film
- Artisti Associati Italiani
- Associated Arts Corp.
- Associated Exhibitors
- Associated First National Pictures
- Astra Film Corp.
- Astra Film Corporation
- Atherton Productions Inc.
- Aurafilm
- Austria Films
- Azor Films