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