Bedrift C - Langesund
- Clarksenteret
- Canem AS
- Cathwell AS
- Cave Holding AS
- Civitan Bamble
- Casa Luisa
- Clarksgt. 6 AS
- Cito Holding AS
- Civitan Bamble
- Clara Transport AS
- Carls Lille Snekkeri AS
- Clarks Minde Venner
- Christian Georg Bergsland
- Camilla Lindgren-Aspaas
- Christian Sveinang Johnsen
- Clarks Minde Venner
- Clarks gate 5 AS
- Civitan Club Bamble
- Complete Partner Grenland AS
- Cappelen Music Production