| 1 | C&VG | | EMAP Business & Computer Publications Ltd | | | | |
| 2 | C&VG (Gamebook) | | | |
| 3 | C-Tech | Великобритания | | |
| 4 | C.P.S. Games | | Chameleon Computer Games | | | | |
| 5 | C.S.D. Co Ltd | Великобритания | | |
| 6 | C.Servis Games | | | |
| 7 | Cable Software | Великобритания | | |
| 8 | Cabsoft | | Computer Cabin | | | | |
| 9 | Cadsoft | Великобритания | | |
| 10 | Calisto | | Calisto Software Ltd | | | | |
| 11 | Calisto Software Ltd | | | |
| 12 | Calpac Computer Software | Великобритания | | |
| 13 | Cambic Software | Великобритания | | |
| 14 | Cambridge Computing Research Ltd | Великобритания | | |
| 15 | Cambridge Micro Software | Великобритания | | |
| 16 | Cambridge Microcomputer Centre | Великобритания | | |
| 17 | Cambridge Microelectronics | Великобритания | | |
| 18 | Cambridge Research | | | |
| 19 | Camden Council | Великобритания | | |
| 20 | Camel Products | | Cambridge Microelectronics | | | | |
| 21 | Camel Software | Великобритания | | |
| 22 | Campbell Systems |
| 23 | Campion Software | Дания | | |
| 24 | Canaan Software | Соединенные Штаты Америки | | |
| 25 | Cande Software | Испания | | |
| 26 | Cannonball | Россия | | |
| 27 | Canvas | Великобритания | | |
| 28 | Capsoft | | ThunderWare Research Center | | | | |
| 29 | Cardex | Великобритания | | |
| 30 | Caris Software | Великобритания | | |
| 31 | Carl Clayton | Великобритания | | |
| 32 | Carl K. Bozicek | Великобритания | | |
| 33 | Carlos Monroe Roig | Испания | | |
| 34 | Carnell Software Ltd | Великобритания | | |
| 35 | Carol & Paul Bradbury | Великобритания | | |
| 36 | Carrium Software | Великобритания | | |
| 37 | Carter Follis Software Associates | Великобритания | | |
| 38 | Cartoon Time | | Code Masters Ltd | | | | |
| 39 | Cascade Games Ltd | | Artronic Products Ltd | | | | |
| 40 | Cases Computer Simulations Ltd | | | |
| 41 | Casey Bee Games | Великобритания | | |
| 42 | Cassell Ltd | | Holt Saunders Ltd | | | | |
| 43 | Castle Software | Великобритания | | |
| 44 | Castor Cracking Group | Швеция | Стокгольм | |
| 45 | Casventures Ltd | | Lee Tonks | | | | |
| 46 | Catalyst Coders | Великобритания | | |
| 47 | Cathedral Software | Великобритания | | |
| 48 | Cav Inc | Россия | Рыбинск | |
| 49 | Cavern Software | Великобритания | | |
| 50 | CCP Software | Великобритания | | |
| 51 | CCS | | Cases Computer Simulations Ltd | | | | |
| 52 | CDS Microsystems | | Guildhall Leisure | | | | |
| 53 | CDT Productions | Великобритания | | |
| 54 | Celerysoft | Великобритания | | |
| 55 | Celina Ltd | Великобритания | | |
| 56 | Celtic Revision Software | Великобритания | | |
| 57 | Celtic Software | Великобритания | | |
| 58 | Celyn Jones Software | Великобритания | | |
| 59 | Centas | Испания | | |
| 60 | Centaurisoft | Великобритания | | |
| 61 | Central Solutions | Великобритания | | |
| 62 | Centre Divulgador de la Informatica | | Generalitat de Catalunya | | | | |
| 63 | CentreSoft | | | |
| 64 | Century City Software Ltd | Великобритания | | |
| 65 | Century Communications Ltd | | Century Publishing Co. Ltd | | | | |
| 66 | Century Publishing Co. Ltd | | | |
| 67 | Century Software [1] | | Century Communications Ltd | | | | |
| 68 | Century Software [2] | | Power Software S.A. | | | | |
| 69 | Ceran Software | Великобритания | | |
| 70 | Cesar Hernandez Bano | Испания | | |
| 71 | Cesar Nicolas Gonzalez | Испания | | |
| 72 | Chad Software | Великобритания | | |
| 73 | Chainik Hackers Group | Россия | | |
| 74 | Chalksoft Ltd | Великобритания | | |
| 75 | Challenge Software | Великобритания | | |
| 76 | Chameleon Computer Games | Великобритания | | |
| 77 | Chameleon Computers Ltd | Великобритания | | |
| 78 | Channel 8 Software | Великобритания | | |
| 79 | Chaos Energy Group | Россия | Йошкар-Ола | |
| 80 | Chaotic Soft | Чехия | | |
| 81 | Chapman and Beckingham Software | Великобритания | | |
| 82 | Charles A. Sharp | Великобритания | | |
| 83 | Charles Letts & Co | Великобритания | | |
| 84 | Charlton Tutorials | Великобритания | | |
| 85 | Charly Computers Ltd | Германия | | |
| 86 | Charly Records | Великобритания | | |
| 87 | Checkpoint | Франция | Орлеан | |
| 88 | Cheep Games | Великобритания | | |
| 89 | Cheese Freak Software |
| 90 | Cheetah International Ltd | | | |
| 91 | Cheetah Marketing Ltd | | Cheetah International Ltd | | | | |
| 92 | CheetahSoft Ltd | | Cheetah Marketing Ltd | | | | |
| 93 | Chemist Soft | Россия | Красноярск | |
| 94 | Cheshire Micro Design | Великобритания | | |
| 95 | Cheveron Group | | | |
| 96 | Chewsoft | | Richard Hollins | | | | |
| 97 | Chezron Software | | Fidcal | | | | |
| 98 | Chibur | Великобритания | | |
| 99 | Childrens Infatuated Computers | Россия | | |
| 100 | Childsplay Software | Великобритания | | |
| 101 | ChildWare Corporation | Соединенные Штаты Америки | | |
| 102 | Chips Software | Испания | | |
| 103 | Choice Software Ltd | Великобритания | | |
| 104 | Chris Born | Нидерланды | | |
| 105 | Chris Munns | Великобритания | | |
| 106 | Chris Pile | Великобритания | | |
| 107 | Christopher James Software Ltd | Великобритания | | |
| 108 | Chromasoft | Великобритания | | |
| 109 | Church Army | | | |
| 110 | Church Army Resource Centre | | Church Army | | | | |
| 111 | Church of the Latter Day Speccy |
| 112 | CHURROSOFT | | | |
| 113 | CI5 The Amaters | Чехия | | |
| 114 | Cibercomp S.A. | Испания | | |
| 115 | Ciberne Software | Бразилия | | |
| 116 | Cibernesis | Испания | | |
| 117 | Cibertron Software | Бразилия | | |
| 118 | CIDsoft | | MS-CID | | | | |
| 119 | CIR |
| 120 | Circulo de Soft | | Microamigo S.A. | | | | |
| 121 | Citizen Software | Великобритания | | |
| 122 | Ciudadela Software | Испания | | |
| 123 | Clasic Software | Чехия | | |
| 124 | Class Games | Великобритания | | |
| 125 | Classic Conflicts | | PSS | | | | |
| 126 | Classic Software | Великобритания | | |
| 127 | Claus Jahn | Германия | | |
| 128 | CLAW | Польша | | |
| 129 | Cleva Computerware | Великобритания | | |
| 130 | Clever Music | Великобритания | | |
| 131 | Clevers Group | Россия | Челябинск | |
| 132 | Clive Brooker | Великобритания | | |
| 133 | CLJ Industries | Франция | | |
| 134 | Clockwize | Великобритания | | |
| 135 | Cloud 10 Software | Великобритания | | |
| 136 | Cloud 9 Software | Великобритания | | |
| 137 | Cloud Soft | Беларусь | | |
| 138 | Clover Services | Великобритания | | |
| 139 | Club Software | Великобритания | | |
| 140 | Clwyd Adventure Software | Великобритания | | |
| 141 | CNGSoft |
| 142 | Cobra Computer Software | Великобритания | | |
| 143 | Cobra Soft [1] | | Infogrames | | | | |
| 144 | Cobra Soft [2] | Украина | | |
| 145 | Cobra Software | Украина | | |
| 146 | Cocasoft | Испания | | |
| 147 | Cochique&Chichari Soft |
| 148 | Code Busters | Россия | Харьков | |
| 149 | Code Masters Gold | | Code Masters Ltd | | | | |
| 150 | Code Masters Ltd | | Codemasters Ltd | | | | |
| 151 | Code Masters Plus | | Code Masters Ltd | | | | |
| 152 | Codemasters Ltd | | | |
| 153 | Codemonsters HG | Россия | | |
| 154 | CodeRaizers | Россия | Челябинск | |
| 155 | Coders' Academy | Россия | | |
| 156 | Coders' Academy Interactive Group | Россия | Таганрог |  |
| 157 | Codex Group | Россия | Рязань | |
| 158 | Codex Software | Россия | | |
| 159 | Coding Kings Software | Россия | | |
| 160 | Cogitare Computing | | | |
| 161 | Cognito Software | | Zeppelin Games Ltd | | | | |
| 162 | Colin Woodcock | Великобритания | | |
| 163 | Collins Computing | | | |
| 164 | Collins Educational Ltd | Великобритания | | |
| 165 | Collins Soft | | Collins Educational Ltd | | | | |
| 166 | Colne Robotics Co Ltd | Великобритания | | |
| 167 | Colonel Charisma Team | Великобритания | | |
| 168 | Colossoft Research |
| 169 | Colour of Magic | Россия | Владивосток | |
| 170 | Colourmatic Computing | | | |
| 171 | Coma Software | Великобритания | | |
| 172 | CoMAD Soft | Аргентина | | |
| 173 | Comet Software | Великобритания | | |
| 174 | Comix | | | |
| 175 | Command Software | | Infogrames | | | | |
| 176 | Commodore Plus | Испания | | |
| 177 | Companion Software |
| 178 | Compass Software | | Philip M. Reynolds | | | | |
| 179 | Compiler Software | Испания | | |
| 180 | Compiuter Soft |
| 181 | Compu-Studio Ltd | Россия | | |
| 182 | Compuden Software | Великобритания | | |
| 183 | Compulogical S.A. | Испания | | |
| 184 | Compumania | Испания | | |
| 185 | Compusound | Великобритания | | |
| 186 | Computascope for Fun | Великобритания | | |
| 187 | Computasolve | Великобритания | | |
| 188 | Computer | Россия | | |
| 189 | Computer & Software Centre | Великобритания | | |
| 190 | Computer Adventure Studio | Польша | | |
| 191 | Computer Cabin | | | |
| 192 | Computer Choice | Великобритания | | |
| 193 | Computer Emuzone | Испания | | |
| 194 | Computer Gamer | | Argus Specialist Publications | | | | |
| 195 | Computer Games | Финляндия | | |
| 196 | Computer Kontakt | | Ratz-Eberle Verlag | | | | |
| 197 | Computer Magic | Великобритания | | |
| 198 | Computer Novels | Швеция | | |
| 199 | Computer Publications | Великобритания | | |
| 200 | Computer Rating Methods | Великобритания | | |
| 201 | Computer Rats Group | Россия | Курган | |
| 202 | Computer Records | Великобритания | | |
| 203 | Computer Services | Великобритания | | |
| 204 | Computer Tutor | | Argus Press Software Ltd | | | | |
| 205 | Computer Wares | Великобритания | | |
| 206 | Computer Work Company | Россия | | |
| 207 | Computerhouse [UK] Ltd | Великобритания | | |
| 208 | Computeristic | Великобритания | | |
| 209 | Computerlock | Великобритания | | |
| 210 | Computermania | Уругвай | | |
| 211 | Computerposter | Германия | | |
| 212 | Computers for Education | Великобритания | | |
| 213 | Computerworld | Великобритания | | |
| 214 | Computing Today | | Argus Specialist Publications | | | | |
| 215 | Computronic | Германия | | |
| 216 | ComTec | Великобритания | | |
| 217 | Concept Animations | Великобритания | | |
| 218 | Concept Software Ltd | Великобритания | | |
| 219 | Concrete Digital Designs |
| 220 | Conradorre Soft | Польша | | |
| 221 | Conscience | | | |
| 222 | Consciousness | Украина | | |
| 223 | Consolidated Software Marketing Ltd | Великобритания | | |
| 224 | Constellation International Association | Россия | Кировск | |
| 225 | Consult Computer Systems | | Consult Software Ltd | | | | |
| 226 | Consult Software Ltd | Великобритания | | |
| 227 | Consumers' Association | Великобритания | | |
| 228 | Continental Software | Великобритания | | |
| 229 | Contrast Software | Великобритания | | |
| 230 | Control Software | Великобритания | | |
| 231 | Convention | Великобритания | Йовил | |
| 232 | Coo Coo Soft | Чехия | | |
| 233 | Cool Guyz Company | Россия | Челябинск | |
| 234 | Coolguys Ltd | Великобритания | | |
| 235 | Copper Feet |
| 236 | Copy Masters | Россия | Калуга | |
| 237 | Copyright Control |
| 238 | Coral Software | Польша | | |
| 239 | CORE Design Ltd | Великобритания | | |
| 240 | Cornhill Services | Великобритания | | |
| 241 | Cornsoft | | Cornsoft Group Inc | | | | |
| 242 | Cornsoft Group Inc | | | |
| 243 | Corporation AS/DS | | | |
| 244 | Corwen Computer Systems | Великобритания | | |
| 245 | Cosine | Германия | Лейпциг | |
| 246 | Cosine Systems | Великобритания | | |
| 247 | Cosmic Software | Великобритания | | |
| 248 | Cosmix | Россия | Москва | |
| 249 | COSMOS designers | | | |
| 250 | Cottage Computing | Великобритания | | |
| 251 | Courbois Software | Нидерланды | | |
| 252 | Court Software | Великобритания | | |
| 253 | Cowl Systems | Великобритания | | |
| 254 | Coxsoft | | Ian Cox | | | | |
| 255 | CP Software | Великобритания | | |
| 256 | CPL Computer Plus Soft GmbH | Германия | | |
| 257 | CPL Computing | Великобритания | | |
| 258 | CPS Hackers Group | Россия | Москва | |
| 259 | Craccer Software Team | Дания | | |
| 260 | Cracking Software | Великобритания | | |
| 261 | Craft Ware | Россия | Егорьевск | |
| 262 | Craig Communications Ltd | Великобритания | | |
| 263 | Craig Richard Davies | Великобритания | | |
| 264 | Craigmount Computer Centre | Великобритания | | |
| 265 | Cramsoft |
| 266 | Crapsoft | | Erik vh | | | | |
| 267 | Crash | | Newsfield Publications Ltd | | | | |
| 268 | Crazy Soft |
| 269 | Crazy Studio | Россия | | |
| 270 | Crazytronic | Чехия | Зноймо | |
| 271 | CRC Software | | Carl Clayton | | | | |
| 272 | Create Soft | Россия | | |
| 273 | Creative Computing | Германия | | |
| 274 | Creative Computing Press | Соединенные Штаты Америки | | |
| 275 | Creative Corporation Zhuki | Украина | Харьков | |
| 276 | Creative Edge | Великобритания | | |
| 277 | Creative Juices |
| 278 | Creative Materials Ltd | Великобритания | | |
| 279 | Creative Micro Stimulation | Великобритания | | |
| 280 | Creative Reality | Великобритания | | |
| 281 | Creative Sparks | | Thorn EMI Video Ltd | | | | |
| 282 | Creative Technology Group Ltd | Великобритания | | |
| 283 | Creative.Radical.Alternative.Production Games | Великобритания | | |
| 284 | Creativos Editoriales S.A. | Испания | | |
| 285 | Creepsoft | Испания | | |
| 286 | Crescent | Турция | Стамбул | |
| 287 | Crest | Германия | | |
| 288 | CRG | | | |
| 289 | CrisiSofT |
| 290 | Critical Mass | Россия | Ростов-на-Дону | |
| 291 | CRL Group PLC | | Online PLC | | | | |
| 292 | Crom Software | Испания | | |
| 293 | Cronosoft [1] | Испания | | |
| 294 | Cronosoft [2] | Великобритания | | |
| 295 | Cropthorne Software | Великобритания | | |
| 296 | Cross Software | Великобритания | | |
| 297 | Cross Technics | Швеция | | |
| 298 | Cross-Road | Россия | Всеволожск | |
| 299 | Crossword | | | |
| 300 | Crowd Company | Россия | Краснодар | |
| 301 | Crusader Computing | Великобритания | | |
| 302 | Crush Group | Россия | | |
| 303 | CryptoGraphics | Украина | | |
| 304 | Crystal Computing | | Design Design Software | | | | |
| 305 | Crystal Dream | | CryptoGraphics | | | | |
| 306 | Crystal Dream | Украина | Луганск | |
| 307 | Crysys | | Software Publishing Associates | | | | |
| 308 | CSL Microdata | Великобритания | | |
| 309 | CSP Systems | Великобритания | | |
| 310 | Csucstechnika | Венгрия | | |
| 311 | Cult Games | | D&H Games | | | | |
| 312 | Currah Computer Components Ltd | | DK'Tronics Ltd | | | | |
| 313 | Currys | Великобритания | | |
| 314 | Curtis Jacobs Software Design Ltd | Великобритания | | |
| 315 | Custom Cables International Ltd | | Add-On Electronics Ltd | | | | |
| 316 | Custom Software | Великобритания | | |
| 317 | CustomData Ltd | Великобритания | | |
| 318 | CV Software | | Vaclav Cinert | | | | |
| 319 | Cybadyne | Великобритания | | |
| 320 | Cyber Dreams Software | Россия | Иваново | |
| 321 | Cyber Team | Россия | Искитим | |
| 322 | Cybercon Enterprises | Великобритания | | |
| 323 | Cybernetic Applications Ltd | Великобритания | | |
| 324 | Cyberprog New Media | | | |
| 325 | CyberPunks Unity | Россия | Череповец | |
| 326 | Cybertronic Soft | Россия | Москва | |
| 327 | Cybexlab Software |
| 328 | Cyclone | Великобритания | | |
| 329 | Cygnus Software | Великобритания | | |
| 330 | Czerweny Electronica S.A.I.C. | Аргентина | | |
