Bedrift C - Rykkinn
- Cassaforte AS
- Ceths AS
- Caschedenier AS
- Compositae AS
- Chronovisor AS
- Coachinvest AS
- Contextual
- Csg AS
- Cafe Espresso
- Corvid Studio DA
- Christin Schultz
- Chrono Capital AS
- Clone Force AS
- Christine Moi Danielsen
- Chintz Vibeke Samkopf
- Cp Nordic.no AS
- Clas Ohlson Rykkinn
- Cosa Nostra AS Konkursbo
- Cosa Nostra AS Konkursbo
- Coach Julie Jacobsen
- Christine Wille Jordheim
- Cordero Service Gladys Gruz
- Consultant Bemanningsbyrå og Rekruttering AS
- Coor Service Management AS Avd Ops Rykkinn
- Coor Cleaning Catering And Property Avd Renhold Ops Rykkin