• Cirrus Logic

• Citel

• Citizen

• Clairitec

• CML Micro

• Coherent

• Coilcraft

• Comchip Technology

• Conexio Technologies

• congatec

• Connaxio

• Connected Development

• Connective Peripherals

• ControlBits

• Cornell Dubilier

• Corning

• Cosel

• Coto Technology

• Cowfish Studios

• CrayoNano