CAll Manufacturers
- Central
- C&K
- Caddock
- CADEKA
- Califia
- Cantherm
- Capital-Advanced-Technologies
- Carclo
- Carclo Technical Plastics
- Cardinal
- Carling
- Carling Technologies
- Catalyst
- CCS
- CDE
- CDI
- CEL
- Chemtronics
- CHERRY
- Chip Quik
- Chipcon
- CHML
- Chrontel
- CICLON
- CII
- Cinch
- CINCON
- Cirronet
- Cirrus
- Cirrus-Logic
- Citec
- Citizen
- CLAROSTAT
- CMD
- CMOSIS
- CnC-Tech
- Coilcraft
- COILTRONICS
- Comair-Rotron
- COMAX
- Comchip
- Comchip Technology
- Condor
- Conec
- congatec
- Connect One
- Connector
- Connor-Winfield
- Continental
- Conxall
- Cooper
- Cooper-Tools
- Copal-Electronics
- Corcom
- Cornell
- Cosel
- Coto
- CR
- Cree
- Critical
- Critical Link
- CR-Magnetics
- Crouzet
- Crouzet SSR
- Crouzet Switches
- Crydom
- Crystek
- Crystek Corporation
- CSB
- CSR
- CT-Concept
- C-Ton
- CTS
- CUI
- Curtis
- Curtis-Industries
- CW-Industries
- Cymbet
- Cynergy3
- Cypress
