Firma C - Adamstua
- Claseda AS
- Corrientes AS
- Coenurus AS
- Calu AS
- Cahill
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- Cassandra Myhre
- Chintala Kishor
- Christer Slaaen
- Chatree Chanthongjaroen
- Cristina Engum
- Claire Dennington
- Camilla Orten
- Cato Tønnessen
- Casmose Copenhagen
- Coach Vinge
- Cathrine Rysst
- Cecilie Raaholt
- Ch Flow AS
- Camilla Bergström
- Christin Kristoffersen
- Camilla Høyem
- Christina Five
- Catrine Thorstensen
- Ceri Invest AS
- Carla Invest AS
- Christopher Owe
- Cleageye Productions AS
- Christensen Mons
- Caroline Bredesen
- Cylinder Production AS
- Cghmn Invest AS
- Citadell Eiendom AS
- Cecilie Carlsen
- Clinic Novel
- Chuukwunelo Okuafuna
- Chimera Holding AS
- Classic Car Club
- Cora Solum Caspari
- Curling Legs Publishing DA
- Clean Communities Invest AS
- Coacherne Kjersti Fjærestad
- Christopher Salte Media
- Christina Skreiberg Productions AS
- Christina Skreiberg Productions
- Charles Griffin Gibson
- Cyrus Nima Jahanbakhsh
- Colletts gate 37
- Colletts gate 37
- Creative W0rkshop. Haugane
- Charlotte F. Skomsøy
- Coltech Shane Colvin
- Cbt2b i. Engdahl
- Circus Bazaar Group Norway AS
- Christie Mind Over Matter
- Cold Calls Marianne Pheiff
- Cerberus Corporation Tomac Invest
- Cecilie Berg Børge-Ask
- Catharina Natalie Wandrup Fotograf
- Caroprese Adamstuen Renseri Rosaria
- C J Burum Agency
- City Self-Storage Norge AS
- Cathinka Guldberg-senteret Lovisenberg
- Checked Baggage Company Siv Gaustad
- Charlotte Sandmæl Comics And Illustration
- Cbb / Charlotte Bik Bandlien
- Christiania Haandverkeres Stiftelse Alders Hvile
- Custom Tattoo By Janne Janne Birgitte Jensen