Bedrift B - Østerås
- Bilpleien AS
- Blunt AS
- Bk4b
- Brynildsen & Co
- Bilpleien AS
- Bink AS
- Barretten AS
- Breistøl Gudrun
- Brauer Technologies
- Bærum Kjøkkensenter AS
- Baker Hansen
- Ballerud Hagemøbler AS
- Bjørklund Østerås
- Budal Sportmanagement
- Birgit Urstad
- Børresen Tannhelsetjeneste ANS
- Benjamin Lindseth
- Bøhler Holding AS
- Bidco Play AS
- Bona Holding AS
- Berge Consulting
- BMW Bygget AS
- Bård Holding AS
- Baker Holding AS
- Bjerch Georg
- Bakerens Glutenfrie AS
- Byggservice AS Peters
- Beate Riiser
- Borgen Gilbert
- Buskerud Varmepumpeservice AS
- Bjørn Hallmo AS
- Brithén Tekniske Tjenester
- Baker Hansen AS Avd Lager
- Baker Hansens Glutenfrie AS
- Bobship Bjarte Bøe
- Bjerch & Krefting AS
- Borthen Ship Management AS
- Barn i Lek AS
- Bloomi Sylwia Plutowicz
- Bygg Service Kowal AS
- Butikkdrift Marianne Pedersen
- Blikra & Søderblom AS
- Blikra & Søderblom AS
- Brösmark Outdoor Consulting
- Bl Gaver & Profilering AS
- Brukerforeningen Østerås Seniorsenter (Bøs)
- Brukerforeningen Østerås Seniorsenter (Bøs)
- Berg Tekst & Ball
- Bakken Litt Av Hvert
- Bjerch & Krefting Forvaltning ANS
- Bergljot og Einar Lundebys Minnefond
- Black Cat Kaffe og Tehus AS
- Back On Track (Norge) Nina Bakstad
- Black Cat Kaffe og Tehus AS Avd Grini Næringspark
- Bærum Kommune Hjemmebaserte Tjenester Østerås Distrikt Avd Eiksmarka