Bedrift C - Tvedestrand
- Canillos AS
- Coto AS
- Cedo AS
- Clevertools AS
- Craft AS Tvangsavviklingsbo
- Craft AS Tvangsavviklingsbo
- Cfd Marine AS
- Cl3 Norge AS
- Christian Ramleth
- Creo Studio AS
- Cecar Tvedestrand AS
- Cedel Norge AS
- Cafè Go' Grisen AS
- Con Form AS Avd Tvedestrand
- Colosseum Tannlege Tvedestrand
- Christiansen Studio Svartbak
- Cato Wensell Olsen
- Celine Luise Thommesen
- Conrad Jørgen Guttormsen
- C/O Basic Hockey.no AS Erik Bjerke