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