R
- NXS Forefront Inc.
- RAB COMPONENTS INC.
- Rabbit Semiconductor (Digi)
- Radial Magnets, Inc.
- Radiall USA, Inc.
- Radian
- Radio Bridge Inc.
- RadioControlli
- Radiocrafts
- Radiona
- Radiotronix
- RAF Electronic Hardware
- RAFI
- Raltron
- Ramtron (Cypress Semiconductor)
- Ranatec
- RangeANT
- Raspberry Pi
- Rathbun
- RATOC Systems
- Raychem Cable Protection/TE Connectivity
- Raydiall Automotive
- Rayovac
- Raytac
- Raztec Sensors
- RDI Inc.
- Reach Technology
- READY Robotics
- Realtek
- REAN
- RECOM Power
- Rectron USA
- Red Lion
- Red Pitaya
- REDEL / LEMO
- Redpine Signals
- REED Instruments
- Reed Switch Developments Corp.
- Rees, Inc.
- ReFLEX CES
- REGAL
- Rego Electronics
- Remington Industries
- RENA
- Renata Batteries
- Rendeer Systems
- Renesas Electronics Corporation
- Renetec, Inc.
- Rennsteig Tools
- Reonix Automation
- RESI
- ReVibe Energy
- RevX Systems
- RF Industries
- RF Solutions
- RF360 / Qualcomm
- RFbeam Microwave GmbH
- RFE/Fuzetec
- RFM Integrated Device
- RFMD
- RFX Group
- Rhomb.io
- RIA Connect / METZ CONNECT
- Rice Lake Weighing Systems
- Richco, Inc. (Essentra Components)
- Richtek
- Ricoh Electronic Devices Company
RICOH/Nisshinbo Micro Devices - Riedon
- Rieker Inc.
- Rigado
- RIGOL Technologies
- Ring
- Rip-Tie
- Rishabh Instruments
- Ritron Wireless Solutions
- Riverdi
- RIVER/River Eletec Corporation
- RLE Technologies
- RN CHIDAKASHI TECHNOLOGIES
- ROBOTIS
- RobotShop
- Roboworks/Roboworks Pty Ltd
- Rochester Gauges, LLC
- Roederstein / Vishay
- Rogan Corporation
- ROMH Semiconductor (ROHM)View Product
- Roscid Technologies
- Rose Batteries
- Rose Enclosures
- Rosenberg
- Rosenberger
- Rose+Krieger
- Rotrics
- Roving Blue
- Roving Networks / Microchip Technology
- Rowley Associates
- ROYALOHM
- Rozum Robotics
- RPM Systems
- RRC Power Solutions
- RT-Thread
- Rubycon
- Rudolph Bros. & Co.
- Ruffy Controls
- Ruland Manufacturing
- Runic Technology
- RushUp
- Russtech Engineering
- R&R Lotion
- R-K Electronics, Inc.