Bedrift C - Holmen
- Ciel AS
- Colmer AS
- Cvc AS
- Casis AS
- Cortana AS
- Cacomo AS
- Carlcon AS
- Cats Newton
- Catmar Living AS
- Ch Langberg AS
- Christiania Entreprenør AS
- Christiania Holding AS
- Cesudi Invest AS
- Caroline Gefle
- Colla Bella AS
- Capri Holding AS
- Caroline Lund AS
- Clear Sky AS
- Christiania Freestyleklubb
- Camo Invest AS
- Cathrine Thorleifsson
- C.P. Finne AS
- Christian Stenersen Brudevold
- Common Agenda Management AS
- Celine Arentz Ulleberg
- Christina Nelson Photography
- Consegna Consult Dahl
- Christine Marie Lazareva Norborg
- Cnc-Shop Thore Kristoffersen
- Crem Helse og Velvære AS
- Cvl Vindu & Dører
- Crem Helse Tone Lundstein
- Cecilie Fleischer Personlig Trener
- Ce-Consulting Jan Erik Johansen
- C T Hansia Claes Thofte