Bedrift C - Notodden
- Cowardgården AS
- Cmoneo AS
- Canelana AS
- Community Music
- Carolina Invest AS
- Celkonas Zenonas
- Chaplin Madanifar
- C8 Holding AS
- Christensen Consult.
- Cloumann Meyer
- Cloumann Ranch
- Camping Notodden
- Christina Engebretsen
- Cr Landskap AS
- Catering Kompaniet AS
- Catsu Studentbedrift
- Camilla Jonstang
- Christer Gravningen
- Curlsport Distribution AS
- Chef Service AS
- Charlottes Catering AS
- Coffeebreak Agency AS
- Cave-Holding AS
- Ch. Halvorsen
- Crossroads Loyalty Solutions AS
- Centrum Bilpleie Notodden AS
- Cherry Andersen Asiabutikk
- Centrum Bilverksted AS (SjekkPunkt)
- Centrum Bilverksted AS (SjekkPunkt)
- Cubus Tuven Senteret
- Carlsen Lasse Ingeniørfirma
- Christine Storstein Hansen
- Circle K Heddal
- Cr Landskap AS Konkursbo
- Cr Landskap AS Konkursbo
- Customer Designs Studentbedrift
- Christian Heggelund Mauno
- Chateau de Tuddal AS
- Candilika Randi-Elena Milidaki
- Creavita John Arne Nyhammer
- Comfort Notodden Oskar Johansen
- Cam&Cem Frisør Jamshid Amini
- Claros E Nestor Hidalgo
- Cary Notodden - Smarter car care
- Cobic Trading, Ole Bjørn Kaasa
- Corpus Klinikk for Manuellterapi og Idrettsfysioterapi
- Circle K Norge AS Avd 57036 - Automat Notodden