| 1 | A Traves del Espejo | España | | |
| 2 | A'n'F Software | | Icon Design Ltd | | | | |
| 3 | A&N Projects | Reino Unido | | |
| 4 | A-Graph | Ukraine | | |
| 5 | A-Soft [1] | Reino Unido | | |
| 6 | A. Soft [3] | Russia | | |
| 7 | A.B.A. Soft | España | | |
| 8 | A.C.E. [3] | | Advanced Computer Entertainment | | | | |
| 9 | A.D. Software | Reino Unido | | |
| 10 | A.J. Robinson Software | Reino Unido | | |
| 11 | A.K. Software |
| 12 | A.P. Berry | Reino Unido | | |
| 13 | A.P.T. | | Applied Programming Techniques | | | | |
| 14 | A.S.K. | | Applied Systems Knowledge Ltd | | | | |
| 15 | A.V.S. [1] | Reino Unido | | |
| 16 | AAABand Group | Russia | Moscow | |
| 17 | Aackosoft | Netherlands | | |
| 18 | Aardvark Software | Reino Unido | | |
| 19 | Aardvark Software of Hartlepool | Reino Unido | | |
| 20 | Aasvoguelle Productions |
| 21 | AB Datorer & Son | | | |
| 22 | Abacus Programs | Reino Unido | | |
| 23 | Abacus Software [1] | Reino Unido | | |
| 24 | Abacus Software [2] | Reino Unido | | |
| 25 | Abbex Electronics Ltd | Reino Unido | | |
| 26 | Abbeydale Designers Ltd | Reino Unido | | |
| 27 | ABC Analog | | ABC Analog S.L. | | | | |
| 28 | ABC Analog S.L. | | | |
| 29 | ABC Soft | | ABC Analog | | | | |
| 30 | Abersoft | Reino Unido | | |
| 31 | Abrasco | Reino Unido | | |
| 32 | ABSoft | Russia | | |
| 33 | Abstract Concepts | | Activision Inc | | | | |
| 34 | AC Data Games | Germany | | |
| 35 | Academy Coders | Russia | | |
| 36 | AcademySoft | Russia | | |
| 37 | Accept Corp | Russia | |  |
| 38 | Accolade Inc | | Atari Inc | | | | |
| 39 | Accord Data International Ltd | Reino Unido | | |
| 40 | Accusoft Pegasus | | | |
| 41 | ACD Computer Services | Reino Unido | | |
| 42 | ACD Software | Reino Unido | | |
| 43 | ACE |
| 44 | ACE Services | Reino Unido | | |
| 45 | ACE Software [1] | | Softek International Ltd | | | | |
| 46 | Ace Software [2] |
| 47 | ACME Software Ltd | Reino Unido | | |
| 48 | ACS Software | Reino Unido | | |
| 49 | Action [1] | España | | |
| 50 | Action Soft | España | | |
| 51 | Action Software | España | | |
| 52 | Active Magic | Serbia | | |
| 53 | Active Minds | Reino Unido | | |
| 54 | Activision Inc | Reino Unido | | |
| 55 | ACZ Software | Estados Unidos | | |
| 56 | Adam Enterprises | Reino Unido | | |
| 57 | Add-On Electronics Ltd | Reino Unido | | |
| 58 | Addictive Games Ltd | | KJT Design Ltd | | | | |
| 59 | Addison-Wesley [NL] | | Addison-Wesley Productions | | | | |
| 60 | Addison-Wesley Productions | | Pearson PLC | | | | |
| 61 | Adia | Belarus | Брест | |
| 62 | Admiral Software | | Alternative Software Ltd | | | | |
| 63 | Adriano |
| 64 | Adsoft | Reino Unido | | |
| 65 | Adsoft Software Ltd | | Andy Davies | | | | |
| 66 | Advance Software Promotions Ltd | Reino Unido | | |
| 67 | Advanced Adventure Creations |
| 68 | Advanced Computer Entertainment | | | |
| 69 | Advanced Computer Exotic | Russia | | |
| 70 | Advanced Memory Systems Ltd | Reino Unido | | |
| 71 | Adventure International | | Scott Adams | | | | |
| 72 | Adventure Probe | | | |
| 73 | Adventure Probe Software | | Adventure Probe | | | | |
| 74 | Adventure Software | Reino Unido | | |
| 75 | Adventure Writer | España | | |
| 76 | Adventurers Anonymous | Reino Unido | | |
| 77 | Adventuresoft UK Ltd | | Scott Adams | | | | |
| 78 | Adventureworld | España | | |
| 79 | AFI Software | Reino Unido | | |
| 80 | Again Again | | Tiger Developments Entertainments Ltd | | | | |
| 81 | Agenda | Poland | | |
| 82 | AGF Hardware | Reino Unido | | |
| 83 | AGSoftware | Russia | | |
| 84 | AH Software | Reino Unido | | |
| 85 | Airline Software |
| 86 | Airsoft Software Development | Reino Unido | | |
| 87 | AK-Soft | República Checa | | |
| 88 | Akadimias Software | Reino Unido | | |
| 89 | Akaido Arcade Systems | Reino Unido | | |
| 90 | AKM Soft | Russia | | |
| 91 | Akom Ltd | Reino Unido | | |
| 92 | Alan P. Cresswell | Reino Unido | | |
| 93 | Alan Witkowski | | | |
| 94 | Alan's Software | Reino Unido | | |
| 95 | Alchemist PD | | Alchemist Software | | | | |
| 96 | Alchemist Research | Reino Unido | | |
| 97 | Alchemist Software | Reino Unido | | |
| 98 | Alchemy Software | Reino Unido | | |
| 99 | ALEAsoft | | Alvaro Alea Fernandez | | | | |
| 100 | Alec Carswell | Reino Unido | | |
| 101 | Aleiwikou S.A. | Russia | | |
| 102 | Alesoft | República Checa | | |
| 103 | Alex Cornhill | Reino Unido | | |
| 104 | Alex MacDonald | | | |
| 105 | Alexander Computing Systems |
| 106 | Alexandru Simion | Romania | | |
| 107 | Alexei Hajdukov | | | |
| 108 | Alexei Teplyakov | Estonia | | |
| 109 | Alfa | Latvia | Рига | |
| 110 | Alfa Soft | | Frode Tennebo | | | | |
| 111 | Alfo Software | Reino Unido | | |
| 112 | Algray Software | Reino Unido | | |
| 113 | Alien - The New Dimension | Reino Unido | | |
| 114 | Alien Chip | España | | |
| 115 | Alien Factory | Russia | Самара | |
| 116 | Alien Software | España | | |
| 117 | Alisoft |
| 118 | Alkohol Soft | República Checa | | |
| 119 | Allanson Computing | Reino Unido | | |
| 120 | Alliance Team | Russia | Yekaterinburg | |
| 121 | Alligata Software Ltd | | Superior Interactive | | | | |
| 122 | Almart | | | |
| 123 | Alo Soft | España | | |
| 124 | Alpha Centaur Group | Russia | Киров | |
| 125 | Alpha Computer Products | Reino Unido | | |
| 126 | Alpha Software | Reino Unido | | |
| 127 | Alpha Systems | Reino Unido | | |
| 128 | Alpha ZX81 Software | | | |
| 129 | Alpha-Omega Software | | The Power House | | | | |
| 130 | Alphabatim | | Cybadyne | | | | |
| 131 | AlphaPlus Educational Software | Reino Unido | | |
| 132 | Alphasoft | Reino Unido | | |
| 133 | Altair Software | Reino Unido | | |
| 134 | Alternative Software Ltd | Reino Unido | | |
| 135 | Alterway Entertainment | Russia | | |
| 136 | Alto-Tech Software | Reino Unido | | |
| 137 | Alucine Software | España | | |
| 138 | Alvaro Alea Fernandez | España | | |
| 139 | Alvaro Mangado Cruz | España | | |
| 140 | ALZ Software | Russia | | |
| 141 | AM Electronics | Reino Unido | | |
| 142 | Amaltiya Inc | Russia | | |
| 143 | Amaltiya Incorporated Software | Belarus | Гродно | |
| 144 | Amazing Games [1] | Reino Unido | | |
| 145 | Amazing Games [2] | Reino Unido | | |
| 146 | Amazing Software Making | Belarus | | |
| 147 | Amazon Systems | Reino Unido | | |
| 148 | Amba Software | Reino Unido | | |
| 149 | AME Software | Reino Unido | | |
| 150 | American Micro Products Inc | | | |
| 151 | Americana Software Ltd | | CentreSoft | | | | |
| 152 | Amersham Software Ltd | | | |
| 153 | Amfas Computer Software Ltd | Reino Unido | | |
| 154 | AMG | España | | |
| 155 | Amoeba Software | Reino Unido | | |
| 156 | Ampalsoft | Reino Unido | | |
| 157 | Amplicon Micro System Ltd | Reino Unido | | |
| 158 | AMS Soft | Romania | | |
| 159 | AmSoft | | Amersham Software Ltd | | | | |
| 160 | Amstrad | | Amstrad PLC | | | | |
| 161 | Amstrad PLC | | | |
| 162 | Amstrad Sinclair Ocio | España | | |
| 163 | Anarchia | Russia | Рязань | |
| 164 | Anarchy Soft | República Checa | | |
| 165 | Anchor Automation Inc | Estados Unidos | | |
| 166 | Anco Software Ltd | Reino Unido | | |
| 167 | Anderson Technology Ltd | | | |
| 168 | Andic Software | Reino Unido | | |
| 169 | Andreas Scope | | | |
| 170 | Andreas Zallmann | Germany | | |
| 171 | Andreas Zallmann Software | | Andreas Zallmann | | | | |
| 172 | Andres Roberto Samudio Monro | España | | |
| 173 | Andres Viedma Pelaez | España | | |
| 174 | Andrew Bogue | Reino Unido | | |
| 175 | Andrew Broad | Reino Unido | | |
| 176 | Andrew Davis | Reino Unido | | |
| 177 | Andrew Pointon | Reino Unido | | |
| 178 | Andrew Wright | Reino Unido | | |
| 179 | Andrey John Remic | Reino Unido | | |
| 180 | Andrey Mushnikov | Russia | | |
| 181 | Andromeda Software [1] | Hungary | | |
| 182 | Andromeda Software Ltd [2] | Reino Unido | | |
| 183 | Andy Davies | Reino Unido | | |
| 184 | Angel Martinez | España | | |
| 185 | Angers Informatique Service | France | | |
| 186 | Angus Gulliver | Reino Unido | | |
| 187 | Anik Microsystems | Reino Unido | | |
| 188 | Anima Scientific Computing | Reino Unido | | |
| 189 | Animagic | España | Мадрид | |
| 190 | Animagic S.A. | España | | |
| 191 | Anirog Software | | Anco Software Ltd | | | | |
| 192 | Anjana Soft | España | | |
| 193 | Anne Menneer | Reino Unido | | |
| 194 | Annvic Racing Advisory Services Ltd | Reino Unido | | |
| 195 | Another World Corporation | Russia | | |
| 196 | Another World Software | Ukraine | Kharkiv | |
| 197 | Antares | Russia | Moscow | |
| 198 | Anthony Collins | Reino Unido | | |
| 199 | Anthraxx Developments |
| 200 | Antic Software | República Checa | | |
| 201 | Antimar Company | Russia | Moscow | |
| 202 | Antique Crew | | | |
| 203 | Antique Master Ltd | | | |
| 204 | Antisoft | Reino Unido | | |
| 205 | Antok Software | Slovakia | | |
| 206 | Anton Belenki | Russia | | |
| 207 | Antonsoft | Italy | | |
| 208 | Antsoft | | | |
| 209 | Anubis Software | Reino Unido | | |
| 210 | Anvil Computing | Reino Unido | | |
| 211 | AP's Adventures |
| 212 | APG Software | | Arno P. Gitz | | | | |
| 213 | Apocalypse Software | Reino Unido | | |
| 214 | Apogee Games [1] | | Dialgrove Ltd | | | | |
| 215 | Apogee Games [2] | Reino Unido | | |
| 216 | Appleby Structured Systems | Reino Unido | | |
| 217 | Appledean Systems | Reino Unido | | |
| 218 | Applications Software Specialities | Reino Unido | | |
| 219 | Applied Programming Techniques | | | |
| 220 | Applied Systems Knowledge Ltd | Reino Unido | | |
| 221 | April Entertainment | Russia | Воронеж | |
| 222 | APSIS | | | |
| 223 | Aqua Soft |
| 224 | Aquarius Edizioni | | RUN [2] | | | | |
| 225 | Aquarius Software | Reino Unido | | |
| 226 | Arc Developments | Reino Unido | | |
| 227 | Arcade Age | Reino Unido | | |
| 228 | Arcade Software | Reino Unido | | |
| 229 | Arcadia S.r.l. | | | |
| 230 | Arcadia Soft | España | | |
| 231 | Arcana Software Design | Greece | | |
| 232 | Arcanum Software Developments | Reino Unido | | |
| 233 | ARDENT Software | | Andres Viedma Pelaez | | | | |
| 234 | AREAsoft | Russia | Новосибирск | |
| 235 | Arena Software | Reino Unido | | |
| 236 | Arghsoft Ltda | Brazil | | |
| 237 | Argonaut Games PLC | | | |
| 238 | Argonaut Software Ltd | | Argonaut Games PLC | | | | |
| 239 | Argus Press PLC | Reino Unido | | |
| 240 | Argus Press Software Ltd | | Grandslam Entertainments Ltd | | | | |
| 241 | Argus Specialist Publications | | Argus Press PLC | | | | |
| 242 | Ariel Ruiz | Argentina | | |
| 243 | Ariola Eurodisc S.A. | España | | |
| 244 | Ariolasoft UK Ltd | Reino Unido | | |
| 245 | Arise Soft | | | |
| 246 | Arkadiusz Lubaszka | | | |
| 247 | Arkham Software | España | | |
| 248 | Armadillo Soft | Reino Unido | | |
| 249 | Armageddon & Cream | | | |
| 250 | Armid Soft | España | | |
| 251 | Arno P. Gitz | Netherlands | | |
| 252 | Arnold Wheaton Software | | E.J. Arnold & Son Ltd | | | | |
| 253 | ARP Software | Reino Unido | | |
| 254 | Arrow | | Hutchinson | | | | |
| 255 | Arrow Books Ltd | Reino Unido | | |
| 256 | Arrowsoft | Reino Unido | | |
| 257 | ArSoft Corp. |
| 258 | Art Studio | Russia | | |
| 259 | Art-Top | Russia | | |
| 260 | Artic computing | | | |
| 261 | Artic Computing Ltd | Reino Unido | | |
| 262 | Artronic Products Ltd | Reino Unido | | |
| 263 | Artwork | Ukraine | | |
| 264 | ArtX | Russia | Новочебоксарск | |
| 265 | Ascendancy Creative Labs | Belarus | Гродно | |
| 266 | Ashby Computers & Graphics Ltd | Reino Unido | | |
| 267 | Ashleysoft | Reino Unido | | |
| 268 | Ashminster Computing Ltd | Reino Unido | | |
| 269 | Asirus Software | Reino Unido | | |
| 270 | ASK Software | Reino Unido | | |
| 271 | ASP Software Ltd | | Argus Press Software Ltd | | | | |
| 272 | Asphyxia | Belarus | Минск | |
| 273 | Assassin Software | Reino Unido | | |
| 274 | Astonishing Animations | Reino Unido | | |
| 275 | Astor Software | Portugal | | |
| 276 | Astra Software | Reino Unido | | |
| 277 | Astral Software | Reino Unido | | |
| 278 | Astral Software Ltd | Reino Unido | | |
| 279 | Astro Programmes | Reino Unido | | |
| 280 | Astro Software | Reino Unido | | |
| 281 | Astro-Service Maitenbeth | Germany | | |
| 282 | Astrobyte Computer Games | Reino Unido | | |
| 283 | Astrocalc | Reino Unido | | |
| 284 | Astros Productions | Reino Unido | | |
| 285 | Astrosoft Games | Reino Unido | | |
| 286 | Asylum Games | | | |
| 287 | Atari Inc | | | |
| 288 | Atarisoft | | Atari Inc | | | | |
| 289 | Atlantic Soft | España | | |
| 290 | Atlantis Gold | | Atlantis Software Ltd | | | | |
| 291 | Atlantis Software Ltd | Reino Unido | | |
| 292 | Atlas Adventure Software | Reino Unido | | |
| 293 | Atomic Destruction Group | Russia | Рязань | |
| 294 | Atrox Programming Co | República Checa | | |
| 295 | Audio Spectrum | | Geasa S.A. | | | | |
| 296 | Audio Visual Magic | Reino Unido | | |
| 297 | Audio-Visual | Reino Unido | | |
| 298 | Audiogenic Ltd | | Audiogenic Software Ltd | | | | |
| 299 | Audiogenic Software Ltd | Reino Unido | | |
| 300 | Aurora Software | Slovenia | | |
| 301 | Auryn Creative Group | Russia | | |
| 302 | Auryn Software | España | | |
| 303 | Automata UK Ltd | | Mel Croucher | | | | |
| 304 | Avalon | Ukraine | | |
| 305 | Avalon Computing | Reino Unido | | |
| 306 | Avalon Software Ltd | Reino Unido | | |
| 307 | AVB Software | Reino Unido | | |
| 308 | AVC Software | Reino Unido | | |
| 309 | Aventuras AD S.A. | España | | |
| 310 | Aventuras AM |
| 311 | Aventuras Mitologicas S.A. | España | | |
| 312 | AVG Records Ltd | Russia | | |
| 313 | Aviation Computer Services | Reino Unido | | |
| 314 | AVL Software |
| 315 | Avonsoft | Reino Unido | | |
| 316 | AVP Computing | Reino Unido | | |
| 317 | AW Software | Reino Unido | | |
| 318 | AWA Software | | MC Lothlorien Ltd | | | | |
| 319 | Awk Software | Germany | | |
| 320 | Axel Soft | Poland | | |
| 321 | Axis Software | Reino Unido | | |
| 322 | Axxent Software | Reino Unido | | |
| 323 | AY Group | Russia | Ясногорск | |
| 324 | AY-Riders | | | |
| 325 | Ayala Soft | España | | |
| 326 | Azed Software |
| 327 | AZPlan Internacional S.A. | España | | |
| 328 | Aztec Software | Reino Unido | | |
| 329 | flushakkkr | | Sibcrew | | | | |
| 330 | Qumi Team | | Sibcrew | | | | |
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