Entreprenør

Agathon Borgen AS
AS Ingeniør Gunnar M. Backe
AS Miljøbygg
Backe Bygg AS
Backe Østfold AS
Backer Entreprenør AS
Buer Entreprenør AS
Bøhmer Entreprenør AS
Forny AS
Martin M. Bakken AS
Mjøsen Murmesterforretning AS
Våle Bygg AS
Aasen Bygg AS

Prosjektutvikling

Backe Prosjekt AS

Eiendomsforvaltning

Backe Eiendom Invest AS