- Celly
- CERBERUS
- CFD販売
- Champion
- Charaful
- cheero
- cheero Energy Plus
- cheero Power Plus
- CHOETECH
- CHONCHOW
- CHORA
- CHORD
- Chrester
- Christian Dior
- Chromebase
- chuclla
- CHUWI
- Ci：z.Labo
- CICONIA
- CineBeam
- CINEMAGE
- CineStill Film
- Cintiq Pro
- CIO
- Cisco
- Classic（TOYOTOMI）
- CLATHAS
- CLEA
- clear
- CLEAR Arch
- Clear Tune Monitors
- CLEARLABO
- Cleary
- CLEAVE（Deff）
- Cleer
- Click Car Products CLICK CAR MOUSE
- CLIE
- CLINIQUE
- Co-Goods
- COBY