C64 Intros
C+L C64 Comics Group [C64CG] Cadaver Cadgers Caladan Camelot Can't Be Stopped [CBS] Caniballs Cannon Caos Group Cologne Carcass (NL) Caritas Cascade Caution CCGG Celestial Knights, The [CKS] Censor Design [CD] Centrax Division Century [CEN] Chain Champs Channel 42 Chaos Chaos (HU) Chaos (US) Chaos Industries Charged Cherubs Cheyens China Syndrome [CSI] Chipbrain Chop Suey Chromance Chromance+Alpha Flight 1970 Chromance+Aristocracy Chromance+Armageddon Chrome Chuck Laboratories Cine Circle of Destruction [COD] Circle of Nine Citadel City Boys Civitas Class Class [NL] Cleveland Cracking Service [CCS] Climax Clique Cobra Cracking Crew [CCC] Cobra Cracking Crew+Shadowfire Cracking Group Cobra Force, The [TCF] Cocaine (NO) Cocaine [COX] Coco Software Cocoon Cocoon [CCN] Coderz Coldcut Collision Collision+Electric Boyz Collusion Comets Crew Comix Commando Crew, The [TCC] Commando Frontier [CFR] Commando Frontier+Free Access Commando Frontier+Ikari Commando Frontier+Warriors of the Wasteland Commando Kev Commo Bam [CMM] Commodore Boys, The [TCB] Commodore Masters Group [CMG] Compagnions [CPS] Computer Cracking Team [CCT] Computer Freaks Association [CFA] Computer Freaks Association+Italian Cracking Service Computerbrains Cracking Service [CCS] Comtec Conflict Conic Conquest Conquistadores [CQS] Contex [CTX] Control Cool Cracking Crew [CCC] Coolex Copyright Breaker Again, The [CBA] Corner Crackware Essen [CCW] Cosa Nostra Cosmic Cosmix Federation [CMX] Cosmos Count, The Couple Coventry Software Team [CST] Crack And Co. Crack Machines, The [TCM] Crack Swap Industries [CSI] Cracker Devils, The [TCD] Crackers for Fun and Profit [CFP] Crackforce Omega [CFO] Cracking For Lovers [CFL] Cracking Force Germany [CFG] Cracking Force, The [TCF] Cracking Group, The [TCG] Cracking Institute Austria [CIA] Cracking Mission, The Cracking Team of Darkness Crackman Crackout Crew [CRC] Craftmen Company [CMC] Crap Industries Crap'D Crap'D+Walker Group, The Crase Crash '90 Crash (AT) Crash (DE) Crazy Crazy Boys Software Crazy+Genesis Projects Crazy+Lotus CRC Cream Crackers, The [TCC] Creation [CRE] Creation+Force, The Creators Creatures Creatures of Darkness [COD] Crefeld Cracking Group Crest Crime (DE)(1989) Crime (DE)(1990) Crime (DK) Crime Connection [CC] Crime Cracking Crew [CCC] Criminal Empire, The [TCE] Critters, The [CRS] Cross Cross+Vanity CrossLine [XL] Cruel Killers Cruelty+Fucked Beyond Repair B F R (DE) Crusade (CH) Crusade (NL) Crush Crypt Crypt+Wanderer Crypt+Wanderer+Cosa Nostra Crystal CSS Cult Cult, The Culture Cumbria Cracking Service [CCS] Cure Curve Cyberpunx [CPX] Cyborg Power System [CPS] Cyborg Power System+GCG Crew Cyborg Power System+Strike Force, The Cyborgs Cyclotron [CTN] CZCZ Limited
Some info comes here.
