Cables/Wires
- Aptiv (formally Delphi)
- HellermannTyton
- Panduit
- Phoenix Contact
- TE Connectivity
Capacitors
- API Technologies/Spectrum Control
- ATC (American Technical Ceramics)
- AVX/ATC
- Barker Microfarads (BMI)
- Cornell Dubilier/Illinois Capacitor
- Dearborn
- Eaton/PowerStor
- KEMET/NEC TOKIN
- Knowles/Novacap/Syfer/DLI/Voltronics
- Murata
- Nichicon
- Panasonic/Sanyo
- Taiyo Yuden
- TDK/EPCOS
- United Chemi-Con
- Vishay/BCcomponents/Roederstein/
- Ceramite/Vitramon
- WIMA
- Yageo
Circuit Protection
- 3M
- AVX
- Bourns/Komatsulite
- Eaton/Bussmann
- KEMET
- KOA
- Littelfuse/Teccor
- Murata
- Panasonic
- Phoenix Contact
- ROHM Semiconductor
- TDK/EPCOS
- United Chemi-Con
- Vishay
Connectors
- 3M
- AirBorn
- Amphenol
- API Technologies/Spectrum Control
- Aptiv (formally Delphi)
- AVX/Elco
- Bourns
- C&K
- Carlisle Interconnect Technologies/Tri-Star
- Conesys/Aero Electric/J-Tech
- Delta Electronics
- Fargo Assembly
- Glenair
- Harting
- Harwin
- INCON Inc.
- ITT Cannnon
- KOSTAL
- Lear Corporation
- Molex
- Omron Electronic Components
- Panasonic
- Phoenix Contact
- PKC Group
- Preci-Dip
- Smiths Interconnect
- Souriau/Sunbank
- Sumitomo Wiring Systems
- Switchcraft/Conxall
- TE Connectivity
- Vishay
- Yazaki
Discretes
- AVX
- Bourns
- KOA
- Littelfuse/Teccor/IXYS
- Nexperia
- Panasonic
- ROHM Semiconductor
- TDK
- Toshiba
- TT Electronics/Semelab
- Vishay
- VPT Components
Optoelectronics
- AMS
- Dialight
- Kingbright
- Littelfuse
- OSRAM
Resistors
- Bourns
- KOA
- Ohmite/Arcol
- Panasonic
- TE Connectivity
- TT Electronics/BI/IRC/Welwyn
- Vishay/Dale/Draloric/Sfernice/Thin Film
- BCC/Electro Films/Huntington/Milwaukee
- Vishay Precision Group/Foil Resistors
- Yageo
Sensors
- Amphenol Advanced Sensors
- AMS
- AVX
- Bourns
- Honeywell
- KEMET
- KOA Speer
- Littelfuse/Hamlin/US SENSOR
- Molex
- Murata
- Ohmite
- Omron Automation & Safety
- Omron Components
- Panasonic
- Phoenix Contact
- ROHM Semiconductor
- Sensata/BEI Sensors/Kavlico
- SGX Technology
- SSI Technology
- Standex/Meder
- TDK/EPCOS
- TE Connectivity
- TT Electronics
- Vishay
Switches
- Honeywell
- Littelfuse/Hamlin
- Omron Automation & Safety
- Omron Electronic Components
- Panasonic
- Phoenix Contact
- TE Connectivity