Bedrift C - Heimdal
- Concordeservice AS
- Cadio AS
- Cramo AS
- Curo AS
- Curo AS
- Constance AS
- Caligo AS
- Christian Teigen
- Clean Cut
- Chueaklang Janpen
- Cr Transport AS
- Chaoying Xu
- Catering Hartmann
- Contiki Holding AS
- Coach Kraakmo
- Callosum Research
- Chc Holding AS
- Co2 Purification AS
- Ca-Holding AS
- Crili Holding AS
- Cramo AS (Trondheim)
- Cargosafe Systems AS
- Cicilie Svanem
- Chruicshank-Gården AS
- Cj Gravering AS
- Cls Holding AS
- Christine Goedecke
- Capinor Invest AS
- Calypso Invest AS
- Cor Holding AS
- Clamén Forteller
- Christian Olsen
- Chan Foods AS
- Chan Foods
- Cindis House Norway
- Credo Frikirke Trondheim
- Circle K Heimdal
- Credo Frikirke Trondheim
- Chruicshank-Gården Holding AS
- Cøliakikokken Øyvind Engen
- Chris Nesse Musikkproduksjon
- Casa Leinbakkan Rune Sundet
- Cordes Alexander Carl Guenter
- C.H Bygg og VVS AS
- Coach Ida Mari Augdal Austberg
- Cyborg Fitness Tommy Nguyen Nærø
- Clear Fly Tying Steffen Granbo
- Cr-Transport Midt-Norge Roy Claussen
- City Radio & TV-Service AS Avd Heimdal