Marques
- C
- C2G
- cab
- Cables Direct
- Cadbury
- Caffesso
- Cambium Networks
- Cambridge
- Canderel
- Canon
- CAPTURE
- Carbonite
- cardPresso
- CAREX
- Case Logic
- CASIO
- Caterpack
- Ceratech
- Chainway
- Challenge
- Charge Amps
- Check Point Software Technologies
- Chenbro
- CHERRY
- Chicony
- Chief
- CHRISTIE
- Cif
- CINEVERSUM
- CipherLab
- Cirque
- Cisco
- CITIZEN
- CITRIX
- Clairefontaine
- CLARIS INTERNATIONAL
- CLARITY
- Classic