Bedrift C - Lierskogen
- Compositech AS
- Canoka AS
- Cappelen Consept ANS
- Corvita Kompetanse AS
- Champions Club
- Champions Club
- Cubus Liertoppen
- Creative Concepts AS
- Cafe Christian AS
- China Wok
- Caverion Norge AS Avd. Kundesenter
- C. E. Jahr
- Chmielewska Kalina Magdalena
- Consulento Falak Mirza
- Caterham Club Norway
- Carismaklinikken Kjersti Aronsen
- Coopa Bialas Renhold
- Cutn Go Liertoppen AS
- Christiania Belysning, Liertoppen
- Christiania GlasMagasin Liertoppen
- Caverion Norge AS Avd. Esco
- Caverion Norge AS Avd. Drammen
- CC Rens og Vask
- Colour me Beautiful Norge
- Car Outlet Norway - Electric City AS
- Civ Ing Helge Ingeberg AS Prosesskontroll Konkursbo
- Civ Ing Helge Ingeberg AS Prosesskontroll Konkursbo