Groups - Demozoo

Core (pc/utils-warez/1995+) - Challenge of Reverse Engineering

Core (pc/cracks/1991)

Core (pc/.pl)

Core Design

Core Dump (PC/Warez) - CD, COREDUMP

Core Dumped

Core Image - CI, Core Image Production!

Core Magazine Staff

Core Productions - CP

Core Studios

CoreStudio

Corize

Corky Inc.

Corleon's Family

Corndogs

Corner Crackware Essen - CCW

Corner Crackware Inc. - CCW

CorneRCut - CRC, Corner Cut

Cornetto Productions

Coroner

Coroners - CNS

Corosion - COR

Corosive

Corporation for Public Cybercasting 2001 (pc/warez/1980s) - CPC, CPC 2001

Corpse (.fr) - CRP

Corpse (.se) - CRP

CorridaSoft

Corrosion (amiga) - CRSN

Corrosion (pc/warez)

Corrupt - COR

Corrupt Staff

Corrupted Minds of Sudbury - CMoS

Corrupted Pirate's Union (PC) - CPU

Corruption (pc/emag/93-94) - CoR

Corruption (courier/1998+) - COR, Corruption Crew

Corruption (PC/1994) - CoR

Corruption (PC/Warez) - CRC

Corruption Staff - Corruption Magazine

Corsican Spreaders group - CSG

Cortex (pc warez)

Cortex (custom hardware) - .cortex.

Cortex 2017

Cortex Corp.

Cos (.no)

Cosa Nostra (amiga)

Cosa Nostra (pc/.de) - CN

Cosa Nostra (c64)

Cosa Nostra (pc/.es?)

Cosine - COS

Cosmetic Defects