Bedrift A - Kolsås
- AB Muskelterapi
- AS Herkus
- Alrashed
- Aktivformidler AS
- Alrashed AS
- Aok AS
- Almerinden AS
- Arafat
- Abenhult AS
- Apaxcon AS
- Adam Przybylo
- Asbjørn Rachlew
- At Pluss AS
- Austad Software
- Amaris Invest AS
- Aurora Arnstad
- Agenturhandel AS Tvangsavviklingsbo
- Agenturhandel AS Tvangsavviklingsbo
- A&B Mennesker AS
- Axiom Benzens
- Annveig Gravdal
- Audun Molde
- Asbjørn Hagen
- Anders Ekeberg
- Amir Iqbal
- Anno 2011 AS
- Albertine Nebelung
- Albertine Nebelung
- AS Olav Lenschow
- Axel Andersson
- Academy Hockey AS
- Andreas Lycke
- Andreas Lycke
- Analytics Sattar
- Akershus Førerhundklubb
- Arne Gjøtterud
- Amoroteket Kühle-Hansen
- Ailihto Ceramics Ungdomsbedrift
- Ahlqvist AS - Ann Gunvor
- Asle Ferdinand Lütken
- Annette Lie Brenna
- Anders Klever Kirkeby
- A. Lindström Malerservice
- Alexander Warhuus Andersen
- Andreas Lycke - Lyckelivet AS
- Ark Kolsås Senter
- Alcocer Invest & Consult AS
- Ann-Kristin Onstad
- ABC Promotion Norway ANS
- Anne Sofie Eriksen
- Alliance optikk Kolsås AS
- Arkitekt Marius Haugum Mnal
- Andreas Jenssen Idrettspsykologisk Rådgivning
- Asker og Bærum Bilstereocenter DA
- Akg-Kompetanse Arne Kristoffer Gloppen
- Arkitekt Cecilie Lande Andersen Mnal
- Anton Lenny Crispin dB Help
- Avaye Yarsani Dangkren (Dalahoo) i Norge (Aydin)