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R&C Innotek
Racore
Radicom
Ragtech
Rancho Technology
Raven
RCG
Real Magic (Sigma)
Realtek

RealVision (Deltron)
Relisys
Rendition (Micron)
Repotec
Ricoh – Japan
Ricoh – UK
Ricoh – USA
Rimage
Rioworks (Arima)

Rise
Riva – Nvidia
RNS (Osicom – Agora Meret Optical)
Rock Technology
Roland
RPTI