| 1 | A and B Soft | | Ucrania | Kryvyi Rih |
| 2 | A and D Software | | Rusia | Moscow |
| 3 | A Traves del Espejo | | España | |
| 4 | A'n'F Software | Icon Design Ltd | Reino Unido | |
| 5 | A&N Projects | | Reino Unido | |
| 6 | A-Graph | | Ucrania | Donetsk |
| 7 | A-Soft [1] | | Reino Unido | |
| 8 | A. Soft [3] | | Rusia | |
| 9 | A.B.A. Soft | | España | |
| 10 | A.C.E. [3] | Advanced Computer Entertainment | | |
| 11 | A.D. Software | | Reino Unido | |
| 12 | A.J. Robinson Software | | Reino Unido | |
| 13 | A.K. Software | missing | | |
| 14 | A.N.M.A Corporation Ltd | | Rusia | Cheboksary |
| 15 | A.P. Berry | | Reino Unido | |
| 16 | A.P.T. | Applied Programming Techniques | | |
| 17 | A.S.K. | Applied Systems Knowledge Ltd | Reino Unido | |
| 18 | A.V.S. [1] | | Reino Unido | |
| 19 | AAABand Group | | Rusia | Moscow |
| 20 | Aackosoft | | Países Bajos | |
| 21 | Aardvark Software | | Reino Unido | |
| 22 | Aardvark Software of Hartlepool | | Reino Unido | |
| 23 | Aasvoguelle Productions | missing | | |
| 24 | AB Datorer & Son | | | |
| 25 | Abacus Programs | | Reino Unido | |
| 26 | Abacus Software [1] | | Reino Unido | |
| 27 | Abacus Software [2] | | Reino Unido | |
| 28 | Abaddon | | Hungría | |
| 29 | Abbex Electronics Ltd | | Reino Unido | |
| 30 | Abbeydale Designers Ltd | | Reino Unido | |
| 31 | ABC Analog | ABC Analog S.L. | | |
| 32 | ABC Analog S.L. | | | |
| 33 | ABC Soft | missing | | |
| 34 | Abersoft | | Reino Unido | |
| 35 | Abrasco | | Reino Unido | |
| 36 | Abrimaal | | | |
| 37 | ABSoft | | Rusia | |
| 38 | Abstract Concepts | Activision Inc | Reino Unido | |
| 39 | AC Data Games | | Alemania | |
| 40 | Academicians | | Rusia | Moscow |
| 41 | Academy Coders | | Rusia | |
| 42 | AcademySoft | | Rusia | |
| 43 | Accept | | | |
| 44 | Accept Corp | | Rusia | Goriachi Kliuch |
| 45 | Accept Corp | | Rusia | |
| 46 | Accolade | | | |
| 47 | Accolade Inc | | Reino Unido | |
| 48 | Accolade Inc | Atari Inc | Reino Unido | |
| 49 | Accord Data International Ltd | | Reino Unido | |
| 50 | Accusoft Pegasus | | | |
| 51 | ACD Computer Services | | Reino Unido | |
| 52 | ACD Software | | Reino Unido | |
| 53 | ACE | missing | | |
| 54 | ACE Services | | Reino Unido | |
| 55 | ACE Software | | | |
| 56 | ACE Software [1] | missing | | |
| 57 | Ace Software [2] | missing | | |
| 58 | Acid Team | | Rusia | |
| 59 | ACME Software Ltd | | Reino Unido | |
| 60 | ACS Software | | Reino Unido | |
| 61 | Action | | Rusia | Khabarovsk |
| 62 | Action [1] | | España | |
| 63 | Action Group | | Ucrania | Lugansk |
| 64 | Action Soft | | España | |
| 65 | Action Software | | España | |
| 66 | ActionStudio | Action | Rusia | Khabarovsk |
| 67 | Active Magic | | Serbia | |
| 68 | Active Minds | | Reino Unido | |
| 69 | Activision | Activision Inc | Reino Unido | |
| 70 | Activision Inc | | Reino Unido | |
| 71 | Activison; Image Works | | | |
| 72 | ACZ Software | | Estados Unidos | |
| 73 | AD Software | | | |
| 74 | Adam Enterprises | | Reino Unido | |
| 75 | Add-On Electronics Ltd | | Reino Unido | |
| 76 | Addictive | | | |
| 77 | Addictive Games Ltd | KJT Design Ltd | | |
| 78 | Addictive Games Ltd | | | |
| 79 | Addison-Wesley [NL] | missing | | |
| 80 | Addison-Wesley Productions | Pearson PLC | | |
| 81 | Adia | | Bielorrusia | Brest |
| 82 | Admiral Software | Alternative Software Ltd | Reino Unido | |
| 83 | Adriano | missing | | |
| 84 | Adsoft | | Reino Unido | |
| 85 | Adsoft Software Ltd | Andy Davies | Reino Unido | |
| 86 | Advance Software Promotions Ltd | | Reino Unido | |
| 87 | Advanced Adventure Creations | missing | | |
| 88 | Advanced Computer Entertainment | | | |
| 89 | Advanced Computer Exotic | | Rusia | |
| 90 | Advanced Memory Systems Ltd | | Reino Unido | |
| 91 | Adventure International | | | |
| 92 | Adventure International | Scott Adams | Estados Unidos | |
| 93 | Adventure Intetnational | | | |
| 94 | Adventure Probe | | | |
| 95 | Adventure Probe Software | Adventure Probe | | |
| 96 | Adventure Software | | Reino Unido | |
| 97 | Adventure Writer | | España | |
| 98 | Adventure Writer | | España | |
| 99 | Adventurers Anonymous | | Reino Unido | |
| 100 | Adventurers Anonymous | | Reino Unido | |
| 101 | Adventuresoft | | | |
| 102 | Adventuresoft UK Ltd | | | |
| 103 | Adventuresoft UK Ltd | Scott Adams | Estados Unidos | |
| 104 | Adventureworld | | España | |
| 105 | AER | | Rusia | |
| 106 | AFI Software | | Reino Unido | |
| 107 | AFM | | Reino Unido | |
| 108 | AFM | | Reino Unido | |
| 109 | Again Again | Tiger Developments Entertainments Ltd | Reino Unido | |
| 110 | AGE & EGA | | Rusia | Nizhniy Novgorod |
| 111 | Agenda | | Polonia | |
| 112 | AGF Hardware | | Reino Unido | |
| 113 | AGSoftware | | Rusia | St.Petersburg |
| 114 | AH Software | | Reino Unido | |
| 115 | Airline Software | missing | | |
| 116 | Airsoft Software Development | | Reino Unido | |
| 117 | AK-Soft | | República Checa | |
| 118 | AK-Soft | | República Checa | |
| 119 | Akadimias Software | | Reino Unido | |
| 120 | Akaido Arcade Systems | | Reino Unido | |
| 121 | AKM | | Rusia | Omsk |
| 122 | AKM Soft | | Rusia | |
| 123 | AKM Soft | | Rusia | |
| 124 | Akom Ltd | | Reino Unido | |
| 125 | Alan P. Cresswell | | Reino Unido | |
| 126 | Alan Witkowski | | | |
| 127 | Alan's Software | | Reino Unido | |
| 128 | Alan's Software | | Reino Unido | |
| 129 | Alchemist PD | Alchemist Software | Reino Unido | |
| 130 | Alchemist Research | | Reino Unido | |
| 131 | Alchemist Research | | Reino Unido | |
| 132 | Alchemist Research | missing | | |
| 133 | Alchemist Software | | Reino Unido | |
| 134 | Alchemy Software | | Reino Unido | |
| 135 | Aldan Studio | | Rusia | Krasnoyarsk |
| 136 | ALEAsoft | Alvaro Alea Fernandez | España | |
| 137 | Alec Carswell | | Reino Unido | |
| 138 | Aleiwikou S.A. | | Rusia | |
| 139 | Alesoft | | República Checa | |
| 140 | Alex Art | | | |
| 141 | Alex Cornhill | | Reino Unido | |
| 142 | Alex MacDonald | | | |
| 143 | Alex Software | missing | | |
| 144 | Alexander Computing Systems | missing | | |
| 145 | Alexandru Simion | | Rumania | |
| 146 | Alexei Hajdukov | | | |
| 147 | Alexei Hajdukov | | | |
| 148 | Alexei Teplyakov | | Estonia | |
| 149 | Alexey Nicolaychuk | | Rusia | |
| 150 | Alfa | | Letonia | Riga |
| 151 | Alfa Soft | | | |
| 152 | Alfa Soft | Frode Tennebo | Noruega | |
| 153 | Alfamicro lda | | | |
| 154 | Alfo Software | | Reino Unido | |
| 155 | Algray Software | | Reino Unido | |
| 156 | Alien - The New Dimension | | Reino Unido | |
| 157 | Alien Chip | | España | |
| 158 | Alien Factory | | Rusia | Samara |
| 159 | Alien Software | | España | |
| 160 | Alisoft | missing | | |
| 161 | Alkirs Ltd | | Rusia | Moscow |
| 162 | ALKO | | Rusia | |
| 163 | Alkohol Soft | | República Checa | |
| 164 | Allanson Computing | | Reino Unido | |
| 165 | Alliance Team | | Rusia | Yekaterinburg |
| 166 | Alligata Software Ltd | Superior Interactive | | |
| 167 | Almart | | | |
| 168 | Almaz Group | | Rusia | Yekaterinburg |
| 169 | Alo Soft | | España | |
| 170 | Alpha Centaur Group | | Rusia | Kirov |
| 171 | Alpha Computer Products | | Reino Unido | |
| 172 | Alpha Software | | Reino Unido | |
| 173 | Alpha Studio | | Bielorrusia | Pinsk |
| 174 | Alpha Systems | | Reino Unido | |
| 175 | Alpha ZX81 Software | | | |
| 176 | Alpha-Omega Software | missing | | |
| 177 | Alphabatim | Cybadyne | Reino Unido | |
| 178 | AlphaPlus Educational Software | | Reino Unido | |
| 179 | Alphasoft | | Reino Unido | |
| 180 | Altair Software | | Reino Unido | |
| 181 | Alter World | | Rusia | |
| 182 | Alter World Entertainment | | | |
| 183 | Alternative | | | |
| 184 | Alternative Software | | | |
| 185 | Alternative Software Ltd | | Reino Unido | |
| 186 | Alternative Software Ltd-92 | | | |
| 187 | Alterway Entertainment | | Rusia | |
| 188 | Alto-Tech Software | | Reino Unido | |
| 189 | Alucine Software | | España | |
| 190 | Alvaro Alea Fernandez | | España | |
| 191 | Alvaro Mangado Cruz | | España | |
| 192 | ALZ Software | | Rusia | |
| 193 | AM Electronics | | Reino Unido | |
| 194 | Amaltiya | | | |
| 195 | Amaltiya Inc | | Rusia | |
| 196 | Amaltiya Inc Soft | | Rusia | Grodno |
| 197 | Amaltiya Incorporated Software | | Bielorrusia | Grodno |
| 198 | Amazing | | | |
| 199 | Amazing Games | | | |
| 200 | Amazing Games [1] | | Reino Unido | |
| 201 | Amazing Games [2] | | Reino Unido | |
| 202 | Amazing Games [2] | | Reino Unido | |
| 203 | Amazing Software Making | | Bielorrusia | Sevastopol |
| 204 | Amazon Systems | | Reino Unido | |
| 205 | Amba Software | | Reino Unido | |
| 206 | Amber Computers Co Ltd | | Rusia | Izhevsk |
| 207 | Amber Computers Company Ltd | | | |
| 208 | AMD | | | |
| 209 | AME Software | | Reino Unido | |
| 210 | American Micro Products Inc | | | |
| 211 | Americana Software Ltd | CentreSoft | | |
| 212 | Amersham Software Ltd | | | |
| 213 | Amfas Computer Software Ltd | | Reino Unido | |
| 214 | AMG | | España | |
| 215 | Amiga Must Die | | Bielorrusia | Minsk |
| 216 | AmiGanS | | | |
| 217 | Amigo Trade Group | | | |
| 218 | Amoeba Software | | Reino Unido | |
| 219 | Ampalsoft | | Reino Unido | |
| 220 | Amplicon Micro System Ltd | | Reino Unido | |
| 221 | AMS Soft | | Rumania | |
| 222 | AmSoft | Amersham Software Ltd | | |
| 223 | Amstrad | Amstrad PLC | | |
| 224 | Amstrad PLC | | | |
| 225 | Amstrad Sinclair Ocio | | España | |
| 226 | Anarchia | | Rusia | Ryazan |
| 227 | Anarchy Soft | | República Checa | |
| 228 | Anchor Automation Inc | | Estados Unidos | |
| 229 | Ancient Bytes | | España | |
| 230 | Anco Software Ltd | | Reino Unido | |
| 231 | Anderson Technology Ltd | | | |
| 232 | Andic Software | | Reino Unido | |
| 233 | ANDRE*** | | | |
| 234 | Andreas Scope | | | |
| 235 | Andreas Zallmann | | Alemania | |
| 236 | Andreas Zallmann Software | Andreas Zallmann | Alemania | |
| 237 | Andres Roberto Samudio Monro | | España | |
| 238 | Andres Viedma Pelaez | | España | |
| 239 | Andrew Bogue | | Reino Unido | |
| 240 | Andrew Broad | | Reino Unido | |
| 241 | Andrew Davis | | Reino Unido | |
| 242 | Andrew Pointon | | Reino Unido | |
| 243 | Andrew Wright | | Reino Unido | |
| 244 | Andrey John Remic | | Reino Unido | |
| 245 | Andromeda | | | |
| 246 | Andromeda Software | | | |
| 247 | Andromeda Software [1] | | Hungría | |
| 248 | Andromeda Software Ltd | | | |
| 249 | Andromeda Software Ltd [2] | | Reino Unido | |
| 250 | Andy Davies | | Reino Unido | |
| 251 | Angel Martinez | | España | |
| 252 | Angers Informatique Service | | Francia | |
| 253 | Anik Microsystems | | Reino Unido | |
| 254 | Anima Scientific Computing | | Reino Unido | |
| 255 | Animagic | | España | Madrid |
| 256 | Animagic S.A. | | España | |
| 257 | Anirog Software | Anco Software Ltd | Reino Unido | |
| 258 | Anjana Soft | | España | |
| 259 | Anne Menneer | | Reino Unido | |
| 260 | Annvic Racing Advisory Services Ltd | | Reino Unido | |
| 261 | Another World Corporation | | Rusia | |
| 262 | Another World Software | | Ucrania | Kharkiv |
| 263 | Antares | | Rusia | Moscow |
| 264 | Antartic | Artic Computing Ltd | Reino Unido | |
| 265 | Anthony Collins | | Reino Unido | |
| 266 | Anthraxx Developments | missing | | |
| 267 | Antic Software | | República Checa | |
| 268 | Antimar Company | | Rusia | Moscow |
| 269 | Antique Crew | | | |
| 270 | Antique Master Ltd | | | |
| 271 | Antisoft | | Reino Unido | |
| 272 | Antok Software | | Eslovaquia | |
| 273 | Anton Belenki | | Rusia | |
| 274 | Antonsoft | | Italia | |
| 275 | Antsoft | | | |
| 276 | Anubis Software | | Reino Unido | |
| 277 | Anvil Computing | | Reino Unido | |
| 278 | AP's Adventures | missing | | |
| 279 | AP's Adventures | missing | | |
| 280 | APA | | Reino Unido | |
| 281 | APA.Ltd | | | |
| 282 | APG Software | Arno P. Gitz | Países Bajos | |
| 283 | Apocalypse Software | | Reino Unido | |
| 284 | Apogee Games [1] | Dialgrove Ltd | | |
| 285 | Apogee Games [2] | | Reino Unido | |
| 286 | Appleby Structured Systems | | Reino Unido | |
| 287 | Appledean Systems | | Reino Unido | |
| 288 | Applications Software Specialities | | Reino Unido | |
| 289 | Applied Programming Techniques | | | |
| 290 | Applied Systems Knowledge Ltd | | Reino Unido | |
| 291 | April Entertainment | | Rusia | Voronezh |
| 292 | APSIS | | España | |
| 293 | Aqua Soft | missing | | |
| 294 | Aquarius Edizioni | RUN [2] | Italia | |
| 295 | Aquarius Software | | Reino Unido | |
| 296 | Arc Developments | | Reino Unido | |
| 297 | Arcade Age | | Reino Unido | |
| 298 | Arcade Software | | Reino Unido | |
| 299 | Arcadia S.r.l. | | | |
| 300 | Arcadia Soft | | España | |
| 301 | Arcana Software Design | | Grecia | |
| 302 | Arcanum Software Developments | | Reino Unido | |
| 303 | ARDENT Software | Andres Viedma Pelaez | España | |
| 304 | Area | | | |
| 305 | AREAsoft | | Rusia | Novosibirsk |
| 306 | Arena Software | | Reino Unido | |
| 307 | Arghsoft Ltda | | Brasil | |
| 308 | Argon | | | |
| 309 | Argonaut Games PLC | | | |
| 310 | Argonaut Software Ltd | Argonaut Games PLC | | |
| 311 | Argus Press | | | |
| 312 | Argus Press PLC | | Reino Unido | |
| 313 | Argus Press PLC | | Reino Unido | |
| 314 | Argus Press Software Ltd | | | |
| 315 | Argus Press Software Ltd | missing | | |
| 316 | Argus Specialist Publications | Argus Press PLC | Reino Unido | |
| 317 | Ariola | Ariolasoft UK Ltd | Reino Unido | |
| 318 | Ariola Eurodisc S.A. | | España | |
| 319 | Ariolasoft UK Ltd | | Reino Unido | |
| 320 | Arise Soft | | | |
| 321 | Arkadiusz Lubaszka | | | |
| 322 | Arkan | | | |
| 323 | Arkan Ltd | | Rusia | Chelyabinsk |
| 324 | Arkham Software | | España | |
| 325 | Arkos | | Francia | |
| 326 | Armadillo Soft | | Reino Unido | |
| 327 | Armadillo Soft | | Reino Unido | |
| 328 | Armageddon & Cream | | | |
| 329 | Armageddon & Cream | | | |
| 330 | Armid Soft | | España | |
| 331 | Arno P. Gitz | | Países Bajos | |
| 332 | Arnold Wheaton Software | E.J. Arnold & Son Ltd | | |
| 333 | ARP Software | | Reino Unido | |
| 334 | Arrow | Hutchinson | | |
| 335 | Arrow Books Ltd | | Reino Unido | |
| 336 | Arrowsoft | | Reino Unido | |
| 337 | ArSoft Corp. | missing | | |
| 338 | Art Studio | | Rusia | |
| 339 | Art-Top | | Rusia | |
| 340 | Artic computing | | | |
| 341 | Artic Computing Ltd | | Reino Unido | |
| 342 | Artronic Products Ltd | | Reino Unido | |
| 343 | ArtWork Creative Group | | Ucrania | Donetsk |
| 344 | ArtX | | Rusia | Novocheboksarsk |
| 345 | Ascendancy Creative Labs | | Bielorrusia | Grodno |
| 346 | Ashby Computers & Graphics Ltd | | Reino Unido | |
| 347 | Ashby Computers & Graphics Ltd | | Reino Unido | |
| 348 | Ashleysoft | | Reino Unido | |
| 349 | Ashminster Computing Ltd | | Reino Unido | |
| 350 | Asirus Software | | Reino Unido | |
| 351 | ASK Software | | Reino Unido | |
| 352 | ASP Hackers Club | | | |
| 353 | ASP Software Ltd | missing | | |
| 354 | ASP Software Ltd | | | |
| 355 | Asphyxia | | Bielorrusia | Minsk |
| 356 | Asphyxia (zx) | | | |
| 357 | Assassin Software | | Reino Unido | |
| 358 | Astonishing | | | |
| 359 | Astonishing Animations | | Reino Unido | |
| 360 | Astor Software | | Portugal | |
| 361 | Astra Software | | Reino Unido | |
| 362 | Astral Software | | Reino Unido | |
| 363 | Astral Software Ltd | | Reino Unido | |
| 364 | Astro Programmes | | Reino Unido | |
| 365 | Astro Software | | Reino Unido | |
| 366 | Astro-Service Maitenbeth | | Alemania | |
| 367 | Astrobyte Computer Games | | Reino Unido | |
| 368 | Astrocalc | | Reino Unido | |
| 369 | Astros Productions | | Reino Unido | |
| 370 | Astrosoft Games | | Reino Unido | |
| 371 | Asylum Games | | | |
| 372 | Atari Inc | | Reino Unido | |
| 373 | Atarisoft | Atari Inc | Reino Unido | |
| 374 | ate arse | | | |
| 375 | ate bit | | Reino Unido | |
| 376 | Atlanta Hackers Group | | Bielorrusia | Pruzhany |
| 377 | Atlantic Group | | Rusia | Izhevsk |
| 378 | Atlantic Soft | | España | |
| 379 | Atlantis Gold | Atlantis Software Ltd | Reino Unido | |
| 380 | Atlantis Software Ltd | | Reino Unido | |
| 381 | Atlas Adventure Software | | Reino Unido | |
| 382 | Atomic Destruction | | | |
| 383 | Atomic Destruction Group | | Rusia | Ryazan |
| 384 | Atrox Programming Co | | Eslovenia | |
| 385 | Audio Spectrum | Geasa S.A. | España | |
| 386 | Audio Visual Magic | | Reino Unido | |
| 387 | Audio-Visual | | Reino Unido | |
| 388 | Audiogenic Ltd | Audiogenic Software Ltd | Reino Unido | |
| 389 | Audiogenic Software Ltd | | Reino Unido | |
| 390 | Aurora Software | | Eslovenia | |
| 391 | Auryn | | | |
| 392 | Auryn Creative Group | | Rusia | |
| 393 | Auryn Creative Group | | Rusia | |
| 394 | Auryn Group | | Rusia | Rybinsk |
| 395 | Auryn Software | | España | |
| 396 | Automata | | | |
| 397 | Automata UK | | | |
| 398 | Automata UK Ltd | | | |
| 399 | Automata UK Ltd | Mel Croucher | Reino Unido | |
| 400 | Avalon | | Ucrania | Cherníhiv |
| 401 | Avalon (speccy) | | | |
| 402 | Avalon Computing | | Reino Unido | |
| 403 | Avalon Software Ltd | | Reino Unido | |
| 404 | AVB Software | | Reino Unido | |
| 405 | AVC Software | | Reino Unido | |
| 406 | Aventuras AD S.A. | | España | |
| 407 | Aventuras AM | missing | | |
| 408 | Aventuras Mitologicas S.A. | | España | |
| 409 | AVG Records Ltd | | Rusia | Yegoryevsk |
| 410 | Aviation Computer Services | | Reino Unido | |
| 411 | AVL Software | missing | | |
| 412 | Avonsoft | | Reino Unido | |
| 413 | AVP Computing | | Reino Unido | |
| 414 | AW Software | | Reino Unido | |
| 415 | AWA Software | missing | | |
| 416 | Awk Software | | Alemania | |
| 417 | Axco | | | |
| 418 | Axel Soft | | Polonia | |
| 419 | Axis Software | | Reino Unido | |
| 420 | Axxent Software | | Reino Unido | |
| 421 | AY Group | | Rusia | Yasnogorsk |
| 422 | AY RIDERS | | | |
| 423 | AY-Riders | | Polonia | |
| 424 | Ayala Soft | | España | |
| 425 | AYCE | | | |
| 426 | AYLand | | | |
| 427 | Azed Software | missing | | |
| 428 | AZPlan Internacional S.A. | | España | |
| 429 | Aztec Software | | Reino Unido | |
| 430 | AZXUNO association | | España | |
| 431 | flushakkkr | Sibcrew | Rusia | |
| 432 | Qumi Team | Sibcrew | Rusia | |
