Bedrift C - Vøyenenga
- Color DA
- Carola AS
- Cck AS
- Culina
- Cirrusweb AS
- Culina AS
- Caspari Eiendom AS
- Cwh Holding AS
- Culina Drammen
- Chopin, Wasmuth
- Capitan Invest AS
- C4 Consulting AS
- Christian Brandmo
- Christian Sandberg
- Cs3 Holding AS
- Clean Ship AS
- Culina Oslo
- Culina Butikk Torggata
- Christer André Gudmundsdottir
- Comis DA Ronco Transport
- Camilla Högberg Fitness
- Cycle Service Nordic AS
- Cecilie Vehre Gresslien
- Carriz Design Kjelstrup
- C & E Kontorfellesskap AS
- Came Norge og Anderson Elektro AS
- Compass Group Norge AS Avd 6205 Entra Vøyenenga Skole