- Robotron Pty
- Robotronics
- ROBOTSKY
- robox
- Robstep
- ROBUA
- Robur
- Robus
- Robust
- ROBUSTA
- Robustel
- ROC
- Roca
- ROCAM
- ROCCAT
- Rocelco
- Roche
- Roche Diabetes Care
- Roche Diagnostics GmbH
- ROCHOBBY
- Rock Mars
- Rock Shox
- rock space
- Rockboard
- Rockbox
- Rocker
- Rocket
- Rocket Fish
- RocketFish
- RockFire
- Rockford
- Rockford Fosgate
- Rockinger
- RockJam
- Rockler
- ROCKPALS
- ROCKROSE
- RockShox
- ROCKSOLAR
- Rocktile
- Rocktrail
- Rocktron