Bedrift C - Tjøme
- Campvestfold AS
- Charam AS
- Ciechanowicz Hundesalong
- Co2 Norway AS
- Cbx Norway AS
- Co2-Global AS
- Chamillo Invest AS
- Chirico Studio
- Central Telecom AS
- Charles Kennedy Berg
- Carl Petter Sparvoll
- Casamia Arkitektkontor Mattoni
- Casablanca Åse Galdal
- Celina Megumi Tamura
- Cut Cabs Berentzen
- Carsten Leas Legat
- Circle K automat Tjøme
- Carolines Trim & Helse Caroline Johannessen