Rosenberger Sensor Rochester Instrumen Rishabh Rieker Inc. Riedon Ricoh Elektronik RICHTEK RevX Systems Corp. Renesas Electronics Amerika Inc. Renesas Elektronik Renesas Design Germany GmbH RENESAS Reed Switch Pengembangan Corp. Lab Gelombang Merah Kontrol Singa Merah Semikonduktor Realtek ReVibe Energi AB Elektronik Raltron Radiocraft AS RadioControlli Jembatan Radio Inc. Radiall USA, Inc. Magnet Radial, Inc. Rohm Semiconductor Robot RFbeam Microwave GmbH RFMi RFMD Solusi RF Teknologi Nirkabel RAK Terbatas