CAll Manufacturers
- C&K Aerospace
- C&K Switches
- Caddock
- Cal Test Electronics
- Califia Lighting
- CEL
- Caplugs
- Carclo Technical Plastics
- Carling Technologies
- Carlo Gavazzi
- Catalyst/安森美半导体
- CCS
- Cornell Dubilier (CDE)
- Central Semiconductor
- Chemtronics
- Chicago Miniature
- Chip Quik
- Chipcon
- Chipsee
- Ciclon Semiconductor
- CIN::APSE / Cinch Connectivity Solutions
- Cinch Connectivity Solutions
- Cincon
- Cirque
- Cirrus Logic
- CITEL
- Citizen
- Clairitec
- Clarostat / Honeywell
- CML Microcircuits
- Code Red Technologies
- Coilcraft
- Coiltronics / Eaton
- Comchip Technology
- Concord Semiconductor
- Condor / SL Power
- CONEC
- Connective Peripherals
- CONXALL
- Cooper Bussmann
- Cooper Tools
- Corning
- Cosel
- Coto Technology
- Cowfish Studios
- Cree LED
- Critical Link
- Crocus Technology
- Crouzet
- Crowd Supply
- Crydom / Sensata
- Crystek Corporation
- CSB
- CTS Electronic Components
- CUI Devices
- CUI Inc
- cupl
- CW Industries
- Cynergy3 / Sensata
- Cypress Semiconductor
- CDE / Illinois Capacitor