Firma C - Ranheim
- Comitis AS
- Costante AS
- Codfathers AS
- Codfathers AS
- Chi AS
- Coldwater AS
- Caravanomsetning AS
- Contron AS
- Crescere Invest AS
- Cetro Eiendom AS
- Charlottenlund Tennisklubb
- Cetro Eiendom AS
- Crowd MC
- Camphill Rotvoll
- Cieza Prosjektstyring
- Coach Olsson
- Christian Støre
- C Santos AS
- Constantin Servicetjenester
- C-Isa AS
- Consensus Training AS
- Ccw Invest AS
- Czeslaw Marciniak
- Cato Spook
- Carant Holding AS
- Chibit Holding AS
- Christian Valle
- Carl Johan terrasse AS
- Coop Extra Grilstad
- Carl Martin Faurby
- CC Lund Holding AS
- Chastrinda Gutta- Russegruppe
- Chastrinda Gutta- Russegruppe
- Carl Frode Tiller
- Carlos Cortes Leon
- Camphill Rotvoll-Verksteder
- Corvus MC Trøndelag
- Christian Aftreth Eriksen
- Consulting By Larssen
- Chop Sticks Horizont AS
- Cryoterapi & Velvære AS
- Cosmic Energy Tools DA
- Christian Øyasæter Meyer
- Ca Vocal Arts
- Christer Torsæter Aannestad
- Casabrasil Randolf Dahl
- Coop Prix Olderdalen
- C05 Elias Hegle
- Caterpillar Financial Services Norway AS
- Caterpillar Financial Services Norway AS
- Canon Business Center Trondheim
- Carstedt Ingrid Ellen Cecilia
- Cenox Trading Thomas Fredriksen
- Cramp Paul Johan Leonard
- Chelsea Michelle Høvik Wold
- Cash Is King Holding AS
- Charlottenlund Fotklinikk M Sandberg
- Charlottenlund og Brundalen Arbeiderlag
- Circle K Norge AS Distriktskontor Rotvoll
- Coor Service Management AS Avd Equinor Trondheim Kontorbygg