Bedrift C - Nesodden
- Cyclops AS
- Croft
- Casá AS
- Clickslip AS
- Construo AS
- Couture AS
- Christopher Knill
- Classic Tattoo
- Cathrine Muryn
- Camilla Simensen
- Celine Montarou
- Christian Winther AS
- Cathrine Brandt
- Camilla Stendov
- Cleve Eiendom
- Camp Rustad
- Costa Ferreira
- Christian Blom
- Cruz Performance AS
- Christiania Nevrologipraksis AS
- Café Tangenten AS
- Cbb Holding AS
- Carl Andreas Heltzen
- Christian Tony Norum
- Chrichridesign Christina Christensen
- C.A. Andresen
- Carl Fredrik Heltzen
- Carpe Diem Stiftelsen
- Concerned Artists Norway
- Cult Film Aleksander Grimstad
- Christophe Lays Learning Designer
- Cbh Prosjekt- og Designledelse AS
- Cloudy August Faura Negri
- Claus Kondrup Personlig Trener