Bedrift C - Ryen
- Copartner AS
- Carglass AS
- Collectio AS
- Cocozza Cecilie
- Cederstrøm Markedstjenester
- Cnc Service AS
- Creative Action ANS
- Camilla Stenberg AS
- Cai Kjøkken AS
- Cai Sjømat AS
- Clinciu Transport
- Cabesa Holding AS
- City Security AS
- Comfort Elektro AS
- Cabesa Elektro AS
- Charlotte Fosser Gustavsen
- Creative Action i ANS
- Cosmin-Ion Ilie
- Christoffer Staib Sørensen
- Contentum Oddvar Andersson
- Cluttons (Europe) Limited
- Cifab Trading Norway AS
- Cosmin-Ion Ilie
- Collaborative Coffee Source AS
- Cataldo Ivan Marcos Droguett
- Cooper Crouse-Hinds AS Avd Oslo
- Corpus 1 Erland Bakke
- Create With Whitney Jensen
- City Drive Emil Leszko
- Camilla og Hilmar Ryens Stiftelse
- Cato Skogvoll Motion & Design
- City Self Storage - Rom for Alt Ryen