Bedrift C - Bjerke
- Crossfade AS
- Centralmotion AS
- Castra AS
- Candyduo AS
- Cleanbnb AS
- Ceric Rør
- Cb Electric AS
- Change Hill AS
- Canete Fysioterapi
- Capedel Holding AS
- Claus Henrik Bjørndalen
- Catalin-Ciprian Simionca
- Circle K Bjerke
- Cleanbnb Espen Borgen
- Custom Turkey Performance AS
- Chaiwala Luqman Tasadduq Chaudhari
- Cristian Dance Cristian Pseneac
- Cliff Media Petter Hermans
- Clas House Nor Olsi Jahjolli
- Carpenter & Painter Ovidiu-Danut Huminiuc