Bedrift B - Helsfyr
- Bruktvogna ANS
- Batterigjenvinning AS
- Bundebygg AS
- Boligenergi AS
- Bundeeiendom AS
- Blumandag AS
- Briga AS
- Bufdir
- Bhagawati Chandrima
- Bø Kø
- Bjørn Wad
- Backer Tennisakademi
- Bajja N
- Bjørnsons Hage AS
- Bala Rasool
- Bonker Studio
- Børke Music
- Btc Europe Gmbh
- Bakke Holdco AS
- Blue Wash AS
- Bh Nordic AS
- Bh Nordic AS
- Blirsett Ungdomsbedrift
- Biokun Bosnes
- Budservice Oslo
- Bundebygg Bil
- Bba Invest AS
- Brygga Hotel AS
- Bævre Invest
- Berland Consulting
- Brand Store
- Blomsterdekoratøren Fyrstikktorget AS
- Bjerke Renholdstjenester AS
- Blødekjær 14 AS
- Børstad Holding AS
- Bama Gruppen AS
- BestDrive Norway
- Beauty Brands AS
- Billingstad Energi AS
- Blakstvedt Holding AS
- Boreal Field Station
- Barchip Emea Limited
- Buvarp Jørn Aslak
- Bjørnar Sollesnes Kummeneje
- Bjørnsons Hage 2 AS
- Bjørnsons Hage 3 AS
- Bestdrive Norway AS Avd Hovedkontor
- Blue Energy Holding AS
- Bakken-Nilsen Invest AS
- Belam Riga Norge
- Barchip Emea Limited
- Bunadtilvirkerne - Anny Strand
- Bygg & Mal AS
- Barnas Hus Norge AS
- Bygg og Malerservice AS
- Barnas Hus Norge AS
- Bransjerådet for Naturmidler (BRN)
- Bygg og Anlegg Regnskap AS
- Bygningsarbeiderklubben i Af Oslo
- Blikkfang, Kunstforeningen for Ansatte i Oslo og Omegn