Bedrift C - Kalbakken
- Carex AS
- Cartech AS
- Carspa1
- Chias Media AS
- Curry Point AS
- Curry Leaf AS
- Camfil Norge AS
- Club Royal AS
- Camfil Norge AS Avd Oslo
- Catholic Tamil Welfare Association
- Compass Group Norge AS Avd 3250
- Compass Group Norge AS Avd 3190 Joh System
- Cecilie Meyer, Psykologspesialist, Psykologisk Rådgivning, Veiledning og Terapi