Bedrift A - Roa
- Alfatech DA
- AS Lunnerbolig
- Advokat Tellesbø
- Andre Gøthe
- Andris Melaas
- Alexander Gøthe
- Andrzej Zaraza
- Anders Haakenstad
- Arnfinn Johansen ANS
- AL Ghazzawi Delivery
- Angstringen Hadeland
- Autocenteret Service
- Autocenteret Sport AS
- AL Arfi Distribusjon
- Anleggsenteret Hadeland AS
- Angstringen Hadeland
- ANS L-G Landbruk
- Aleksandra Jovic Oppdrett
- Abdiqani Abdulle Ismail
- Anne Lise Gamkinn
- AB Consulting Christian Lien
- Alarm & Service AS
- Anne Lenes Renhold Elvigen