- Bticino - Cakewalk
- Calculated Industries - Cardo Systems
- Carl Valentin - Caterpillar Série
- Cateye - Chauvet
- CHAUVET DJ - Classé
- Classe Audio - COMFORT-AIRE
- Comnet - Cooper Lighting
- Corel - Cuisinart
- Curtis - Daitsu
- DANE-ELEC - Dejelin
- Dell - DeWalt
- Diagral - DOMENA
- Domeos - Ducati
- Duerkopp Adler - DxO