Company by first letter:
- B Myndir ehf.
- Balboa 2 ApS
- Baldur kvikmyndagerð
- Banijay rights
- Barajoun Entertainment
- Barnaverndarstofa
- Barok Film
- Barok Film & TV A/S
- Base Camp
- Bastide Films
- Baugur Group
- Bavaria
- Bavaria Pictures
- BBC
- BBC Storyville
- BBC Worldwide Productions
- Bedroom Community
- Behind the Scenes ehf.
- Belga Productions
- Bellota Films
- Bergmyndir ehf
- Bergmyndir ehf
- Bergsól
- Bergvík
- Berliner Filmförderung
- Bernhard ehf.
- Berserk Films
- Beta Cinema
- Bicephaly Pictures
- Bílaleiga Akureyrar
- Binge
- BÍÓ ehf
- Bíó Paradís
- Bíóbúgí
- Bíóhljóð ehf.
- Biti aptan bæði
- Bjarmaland
- Bjarstýn Films
- Björgólfur Guðmundsson
- Black Spark Film & TV
- Black Stork Productions
- Blackbird
- Blacktool Studios
- Blánótt
- Blaq Out
- Bláus Art
- Bleiberg Entertainment
- Bleikjuvinafélagið
- Bless Bless Productions
- Blind Spot Pictures Oy
- BlindSpot Productions
- Blink Industries
- Blockbuster
- Blue Fox Entertainment
- Bluebird Productions
- Blueeyes Productions
- Blunden framleiðsla
- Bobblehead Productions
- Bold Films
- Bombaybully
- BOND/360
- Booruffle Films
- Bord Cadre
- Borg-film
- Borgarauglýsing
- Boris Film
- Boudica Black
- BoulderLight Pictures
- Boy Toy
- Breaking Glass Pictures
- Brennivídd ehf
- Brimar
- British Screen
- Bræður Barónsins
- Bullitt Film
- Búnaðarbanki Íslands
- Búnaðarfélag Staðarsveitar og Breiðavíkur
- Burn These Words
- Byggðasafn Árnesinga
- Bæjarútgerðin