D2 Audio

Acquired by Intersil (NASDAQ: ISIL)

ClearCube

Desktop PC blade computing

ColdWatt

Acquired by Flextronics International (NASDAQ: FLEX)

Conformative

Acquired by Intel (NASDAQ: INTC)

Copan Systems

Acquired by SGI (NASDAQ: SGI)

Credence Systems

NASDAQ: CMOS

Crossroads Systems

NASDAQ: CRDS

Crystal Semiconducter

Acquired by Cirrus Logic (NASDAQ: CRUS)

Cygnal

Acquired by Silicon Laboratories (NASDAQ: SLAB)

Active Power

NASDAQ: ACPW