Bedrift A - Spikkestad
- Abakas DA
- Aiava AS
- Ayudia AS
- Alshami
- Aktopro AS
- Avalg AS
- Atilita AS
- Almani Holding AS
- Amundsen Hestesko AS
- Anders Svendsen
- Annette Rud
- Aasland Industrigulv
- Aasmund Kroken
- Ak Fryktløs
- Amt-Holding AS
- Asker Rørleggermester AS
- Askala Arkitektur AS
- Atletklubben Fryktløs
- Askala Arkitektur AS
- Avano-Korsang
- AS Eb Produkter
- Absolutt Forvaltning AS
- Appsolve Limited
- Autoservice Røyken AS
- Amlethus Forlag
- Anwa Holding AS
- Ah Bygg AS
- AS Ny Form Souvenir
- Arslan Maqsood Transport
- Are Johan Rasmussen
- Arina Kousar Transport
- Aurora Travel Trade AS
- Anjan Das Safran
- At-Kt Dawod
- Askestad-Aas Elektro AS
- A.K.Bygg AS
- Asker Mc-Ravn
- Alpha Livsstil Nina Berggreen
- Aija Rissanen Kosmetisk sykepleier
- Asker og Røyken Rør AS
- Almen Praksis Lege Wear-Hansen Spikkestad
- Asker og Bærum Maskin og Liftutleieas
- Alf Henrys Sykepleietjeneste Alf Henry Løvbræk