R
- Ricoh
- RadioShack
- RCA
- Rode
- Rycote
- Roland
- ROKINON
- Rollei
- Ross
- Realist
- RED
- Revere
- Rogue
- RedHead
- Replay
- Revo
- Royal
- RiDATA
- Rosewill
- Rocketfish
- Rush
- Rosco
- Rolleiflex
- RPS
- RoadHawk
- Raynox
- Rodenstock
- Rokunar
- Rolev
- Reflecta
- Radiac
- RPS Studio
- Redrock Micro
- RadioPopper
- Ravelli
- Rotatrim
- Russian
- Roxant
- Rotolight
- RAGECAMS
- RAM Mount
- Rongland
- REMOVU
- RB
- Rangers
- R.J.
- Replacement Part
- RFN
- Rolux
- RODE Microphones
- Re-Fuel
- Ritek Ridata
- ROLANPRO
- Rolev MG
- RoboSHOOT
- Ruggard
- ROWA
- Rowland Edirol
- Remote Audio
- Really Right Stuff