Producenci
- Racal
- Racal Dana
- Radio Belvu SA
- Radiokes Ltd
- Radiomarine Corporation of America
- Radiometer
- Radio MFG. Engineers
- Radio Shack Division
- Radiosystem
- Radix Electronic Vertriebs GmbH
- Ramsey Electronics
- Rane
- Rank Bush Murphy
- RCA
- RCP Radio City Products Inc.
- Realistic
- Redifon
- Regency Electronics
- Revox
- Rhodes
- Ricoh
- Rigol Technologies Inc.
- Riser-Bond Instruments
- Roadstar
- Roberts
- Robotron
- Rockland
- Rockwell-Collins
- Rod-L Electronics Inc
- Rogers
- Rohde & Schwarz
- Roland
- Rollei
- Rotel
- Rowe International
- RP Electronics
- RSF
- Rycom Instruments
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