Fyrirtæki eftir stafrófi:
- Ó.S.K.A Animations
- Obbosí
- Objective Productions
- Oddi hf
- Ofvitinn
- Ogfilms ehf.
- Óháða kvikmyndagerðin
- Oiffy
- Október Films
- Oktober Productions
- Old Port Films
- Olmo Mayakoff
- One Race Films
- One Two Films
- OPINBERUN ehf
- Optische Werke
- Orange VOD
- ORF
- Orione Cinematografica
- Oxford Film Company
- Oxsmá
- Oy Carnival Films Ltd.
- OZ hf.