| 1 | T$ Ripoff Institute | | | |
| 2 | T.D.F. micro-visions | | | |
| 3 | T.E.R.M. Software | | | |
| 4 | T.J. Software | | | |
| 5 | T.S. Software | United Kingdom | | |
| 6 | Tadeu Curinga | | | |
| 7 | TAG Computer Games | United Kingdom | | |
| 8 | Tai Soft | Spain | | |
| 9 | Talent Computer Systems | United Kingdom | | |
| 10 | Taller de Aplicaciones Informaticas | Spain | | |
| 11 | Tamsoft | United Kingdom | | |
| 12 | Tanglewood Software | United Kingdom | | |
| 13 | Tangram design | Serbia | | |
| 14 | Tankard(zx) | | | |
| 15 | Tansoft | United Kingdom | Kharkiv | |
| 16 | Taranovsoft | Russia | | |
| 17 | Tarantino Films Inc | | | |
| 18 | Tardis Computing | United Kingdom | | |
| 19 | Tardis Remakes | missing | | |
| 20 | Target | | | |
| 21 | Target Games Ltd | Mythos Games Ltd | United Kingdom | |
| 22 | Target Team | Russia | Grodno | |
| 23 | Tartan Software | missing | | |
| 24 | Taskmaster Software | United Kingdom | | |
| 25 | Taskset Ltd | United Kingdom | | |
| 26 | Tasman Software | Accusoft Pegasus | | |
| 27 | Tasoft S.A. | Spain | | |
| 28 | Tasteless Games | United Kingdom | | |
| 29 | Taurus Computer Design | United Kingdom | | |
| 30 | Taurus Software | United Kingdom | | |
| 31 | Tawny Software | United Kingdom | | |
| 32 | Taylorsoft | United Kingdom | | |
| 33 | TDM | | | |
| 34 | TDM Software | Tomas Hauerland | Czech Republic | |
| 35 | tdu | | | |
| 36 | Teachers Pet Software | missing | | |
| 37 | team PowerAmiga | Russia | St.Petersburg | |
| 38 | Team Siglo XXI | Topo Siglo XXI | Spain | |
| 39 | Team Site | Russia | Vologda | |
| 40 | Team V | Russia | Nizhnevartovsk | |
| 41 | Technical Software | United Kingdom | | |
| 42 | Technium 220 | United Kingdom | Wokingham | |
| 43 | Techno Arts | Spain | | |
| 44 | Techno Lab | Russia | Krasnodar | |
| 45 | Techno Space | Russia | | |
| 46 | Technol Computing | United Kingdom | | |
| 47 | Technology Interactive Systems | Russia | Ulyanovsk | |
| 48 | Technology Research Ltd | United Kingdom | | |
| 49 | Technoman Group | | | |
| 50 | TechnoSoft | Belarus | Gomel | |
| 51 | Technotime | Belarus | | |
| 52 | Technotop Graphics | Russia | | |
| 53 | Technotop Inc | Russia | Krasnoyarsk | |
| 54 | Tecmedia | United Kingdom | | |
| 55 | Tectonic Software | United Kingdom | | |
| 56 | Tectrics | United Kingdom | | |
| 57 | TED | | | |
| 58 | Tele France Video Club | France | | |
| 59 | Telecomsoft | | | |
| 60 | Telsoft | Czech Republic | | |
| 61 | Temptation Software Ltd | United Kingdom | | |
| 62 | Tenkolek | Italy | | |
| 63 | Teque Software Development Ltd | Krisalis Software Ltd | United Kingdom | |
| 64 | Teque Software Development Ltd | United Kingdom | | |
| 65 | Tera Software | Russia | | |
| 66 | Terminal Software | United Kingdom | | |
| 67 | Terminal Software Publicaties | Netherlands | | |
| 68 | Terramare Software | Gyorgy Szilagyi | Hungary | |
| 69 | Terror Group | Russia | | |
| 70 | Tetra Russian Group | Russia | Izhevsk | |
| 71 | Texgate Computers Ltd | United Kingdom | | |
| 72 | TFF Team | Hungary | | |
| 73 | TGM | | | |
| 74 | TGM Crew | Czech Republic | | |
| 75 | TGTE | | | |
| 76 | Th. D. Software | Germany | | |
| 77 | Thalamus Ltd | Newsfield Publications Ltd | United Kingdom | |
| 78 | Thargon Computations | United Kingdom | | |
| 79 | THD | Russia | Moscow | |
| 80 | The 7th Layer | | | |
| 81 | The Adventure Club | United Kingdom | | |
| 82 | The Adventure Workshop | missing | | |
| 83 | The Austrian Spectrum Club | Austria | | |
| 84 | The Balrog | missing | | |
| 85 | The Beast | | | |
| 86 | The Big Apple Entertainment Company | United States | | |
| 87 | The Bog Brothers | United Kingdom | | |
| 88 | The Bonny Bonnet Hood Softwares | ZnorXman | United States | |
| 89 | The Boo Software | United Kingdom | | |
| 90 | The Butronics Company | United Kingdom | | |
| 91 | the cat | | | |
| 92 | The Champ and Jason | United Kingdom | | |
| 93 | The Chip Shop | United Kingdom | | |
| 94 | The Code Monkeys | United Kingdom | | |
| 95 | The Computer Partnership Ltd | United Kingdom | | |
| 96 | The Creative Technology Institute | | | |
| 97 | The Cybernoids | Poland | | |
| 98 | The Death Squad | missing | | |
| 99 | The Design Studio | United Kingdom | | |
| 100 | The Dreaming Djinn | missing | | |
| 101 | the DrUnKeN mAsTeR | missing | | |
| 102 | The Dutch USA-Team | Netherlands | | |
| 103 | The Edge | missing | | |
| 104 | The Edge | United Kingdom | | |
| 105 | The Eighteam | United Kingdom | | |
| 106 | The Essential Myth | United Kingdom | | |
| 107 | The Final Solution | United Kingdom | | |
| 108 | The Firm | United Kingdom | | |
| 109 | The Future Was 8 Bit | | | |
| 110 | The Gasman | missing | | |
| 111 | The Graphics People | Portugal | | |
| 112 | The Grim Reaper | | | |
| 113 | The Guild | missing | | |
| 114 | The Hit Squad | missing | | |
| 115 | The Home Computer Advanced Course | Orbis Publishing Ltd | United Kingdom | |
| 116 | The Home Computer Club | United Kingdom | | |
| 117 | The Hot Heads | Russia | Cheboksary | |
| 118 | The Hotline Group | | | |
| 119 | The Israeli Team | Israel | | |
| 120 | The Jokers | Poland | | |
| 121 | The Knights | United Kingdom | | |
| 122 | The Knuckle Girls | United Kingdom | | |
| 123 | The Kremlin | United Kingdom | | |
| 124 | The Light | Creative Reality | United Kingdom | |
| 125 | The Lords | Netherlands | | |
| 126 | The Mad Guys | Germany | | |
| 127 | The Methodist Church | United Kingdom | | |
| 128 | The Micro | Spain | | |
| 129 | The Micro Selection | missing | | |
| 130 | The Mojon Twins | Spain | Zaragoza | |
| 131 | The National Museum of Computing | United Kingdom | | |
| 132 | The Northern Underground | United Kingdom | | |
| 133 | The Pixel Brothers | Australia | | |
| 134 | The Planet of Leather Moomins | | | |
| 135 | The Power House | Online PLC | | |
| 136 | The President | | | |
| 137 | The Programming Partnership | United Kingdom | | |
| 138 | The Radical Tubes | United Kingdom | | |
| 139 | The RamJam Corporation | United Kingdom | | |
| 140 | The Rockonerz | | | |
| 141 | The Scripture Union | United Kingdom | | |
| 142 | The Shaw Brothers | United Kingdom | | |
| 143 | The Silent Corner | United Kingdom | | |
| 144 | The Smart Soft | missing | | |
| 145 | The Software Business | United Kingdom | | |
| 146 | The Stock Exchange | United Kingdom | | |
| 147 | The Tape Gallery | United Kingdom | | |
| 148 | The Team | | | |
| 149 | The Unbelievables | Germany | | |
| 150 | The United Minds | United Kingdom | Glasgow | |
| 151 | The Worms | Poland | | |
| 152 | The X-Files Hackers Group | | | |
| 153 | The Yolpa Brothers | United Kingdom | | |
| 154 | The Zen Room | United Kingdom | | |
| 155 | THEDAR Works | missing | | |
| 156 | Theo Develegas | Greece | | |
| 157 | Theo's Micro-Engineering | missing | | |
| 158 | Theo's Micro-Engineering | missing | | |
| 159 | Theodore Blitsas | Greece | | |
| 160 | Therac-25 | Russia | Yekaterinburg | |
| 161 | thesuper | | | |
| 162 | Thetford Crime Prevention Panel | United Kingdom | | |
| 163 | Thewiz | | | |
| 164 | Thies Language Software | United Kingdom | | |
| 165 | Think Tank Educational Software | United Kingdom | | |
| 166 | Thomas Gittelbauer | Germany | | |
| 167 | Thomas Nelson Ltd | United Kingdom | | |
| 168 | Thomas Small | United Kingdom | | |
| 169 | Thomas' Software | Czech Republic | | |
| 170 | Thomas' Software | Czech Republic | | |
| 171 | Thor Computer Software | Paul McKenna | | |
| 172 | Thorn EMI Video Ltd | United Kingdom | | |
| 173 | Threlfall & Hodgson | Cyberprog New Media | | |
| 174 | Threlfall & Hodgson | Cyberprog New Media | | |
| 175 | Thrydhent Vision Systems | Javier Rodriguez Cos | Spain | |
| 176 | Thundersoft | missing | | |
| 177 | Thunderteam | ThunderWare Research Center | Netherlands | |
| 178 | ThunderWare Research Center | Netherlands | | |
| 179 | Thurnall Electronics Ltd | United Kingdom | | |
| 180 | Tiboh | | | |
| 181 | Tiertex Design Studios Ltd | | | |
| 182 | Tiertex Ltd | Tiertex Design Studios Ltd | | |
| 183 | Tiger Developments Entertainments Ltd | United Kingdom | | |
| 184 | Tiger's Claw | missing | | |
| 185 | Tiger's Claw | missing | | |
| 186 | Tigress Marketing Ltd | United Kingdom | | |
| 187 | Tilt | France | | |
| 188 | Tilt Software | United Kingdom | | |
| 189 | TIM | Russia | | |
| 190 | Tim Gilberts | United Kingdom | | |
| 191 | Tim Pickford-Jones | United Kingdom | | |
| 192 | Tim Williams | United Kingdom | | |
| 193 | Time Keeper | | | |
| 194 | Time Travels Inc | United Kingdom | | |
| 195 | Timedata Ltd | United Kingdom | | |
| 196 | Timescape Software | United Kingdom | | |
| 197 | timewasters | | | |
| 198 | Timex Computer Corporation | Timex Inc | | |
| 199 | Timex Group USA Inc | | | |
| 200 | Timex Inc | | | |
| 201 | Timur Company | Russia | Sochi | |
| 202 | Tinbin Garbage Production Ltd | United Kingdom | | |
| 203 | Titan Programs Ltd | United Kingdom | | |
| 204 | Titus | France | | |
| 205 | Titus Software | Russia | | |
| 206 | Tk Computerware | United Kingdom | | |
| 207 | TK Ltd | Russia | | |
| 208 | TK90X Fan | | | |
| 209 | TM'M Studio | Russia | | |
| 210 | TM'M Studio | Russia | | |
| 211 | TMX Portugal Ltda | Timex Inc | | |
| 212 | TNB soft | missing | | |
| 213 | TNT Software | United Kingdom | | |
| 214 | TNYsoft | United Kingdom | | |
| 215 | Toad Educational Computing | United Kingdom | | |
| 216 | Toddy Software | | | |
| 217 | Todospectrum | Spain | | |
| 218 | Toftwood Software | United Kingdom | | |
| 219 | TOGYAF | Russia | Tula | |
| 220 | Tom | | | |
| 221 | Tom & Jerry Soft | Slovakia | | |
| 222 | Tom & Jerry Soft | Slovakia | | |
| 223 | Tom D. Frost | United Kingdom | | |
| 224 | Tom Shipman Supplies | United Kingdom | | |
| 225 | Tom's Cracking Service | Czech Republic | | |
| 226 | Tom's Cracking Service | Czech Republic | | |
| 227 | Tomas Hauerland | Czech Republic | | |
| 228 | Tomas Partl | Czech Republic | | |
| 229 | Tomas Rylek | Czech Republic | | |
| 230 | Tomas Vilim | Czech Republic | | |
| 231 | Tomato Girl Services | missing | | |
| 232 | Tomorrow Software | United Kingdom | | |
| 233 | Tomorrow's Dream Software | United Kingdom | | |
| 234 | Tomorrow's Dream Software | United Kingdom | | |
| 235 | Tony J. Byrne | United Kingdom | | |
| 236 | Tony Rainbird | United Kingdom | | |
| 237 | Top Games | Portugal | | |
| 238 | Top Ten Software | Maynard International Ltd | | |
| 239 | TopGraph Software | United Kingdom | | |
| 240 | Topo Siglo XXI | Spain | | |
| 241 | Topo Soft | missing | | |
| 242 | Topo Soft | Spain | | |
| 243 | Topologika | United Kingdom | | |
| 244 | Torasoft | Czech Republic | | |
| 245 | Torchraven Ltd | United Kingdom | | |
| 246 | Torg Software | United Kingdom | | |
| 247 | Tortured Brain Productions | United Kingdom | | |
| 248 | Torus | United Kingdom | | |
| 249 | Total Computer Gang | Czech Republic | | |
| 250 | Total Eclipse | United Kingdom | | |
| 251 | Touchmaster Ltd | United Kingdom | | |
| 252 | Tower Software | United Kingdom | | |
| 253 | Towers Associates | United Kingdom | | |
| 254 | TPA Computer Services | United Kingdom | | |
| 255 | TR-Soft | Russia | | |
| 256 | Training Research International Ltd | United Kingdom | | |
| 257 | Transform Europe Ltd | | | |
| 258 | Transform Ltd | Transform Europe Ltd | | |
| 259 | Trash Soft | Poland | | |
| 260 | Travellers | United Kingdom | | |
| 261 | TRC Software | Tomas Rylek | Czech Republic | |
| 262 | Treasure Software | Slovakia | | |
| 263 | Tri-Soft | missing | | |
| 264 | Triad Developments | United Kingdom | | |
| 265 | Triangle Group | Ukraine | Ivano-Frankivsk | |
| 266 | Triant Games | The Hotline Group | | |
| 267 | Tribune Software | United Kingdom | | |
| 268 | Tricoder Cambridge | United Kingdom | | |
| 269 | Tricuspid Systems | United Kingdom | | |
| 270 | Trident Software | United Kingdom | | |
| 271 | Triebkraft | Russia | Perm | |
| 272 | Triffid Software Research | United Kingdom | | |
| 273 | Trik | | | |
| 274 | Trilog Software | Uruguay | | |
| 275 | Trinitrocode | Russia | Nizhny Tagil | |
| 276 | Trinity Software | United Kingdom | | |
| 277 | Triple R Education | United Kingdom | | |
| 278 | Triple Six | Activision Inc | United Kingdom | |
| 279 | Triptych Publishing Ltd | United Kingdom | | |
| 280 | Tristesse | | | |
| 281 | Triton (zx) | | | |
| 282 | Triton Software | Spain | | |
| 283 | Triumph | Triumph Game Labs | Russia | Chelyabinsk |
| 284 | Triumph Game Labs | Russia | Chelyabinsk | |
| 285 | Trius Software | United Kingdom | | |
| 286 | TRIXS | | | |
| 287 | Troggerz Inc | United Kingdom | | |
| 288 | Trojan Products | United Kingdom | | |
| 289 | Tron Software | Sweden | | |
| 290 | Tronic-Verlag | Germany | | |
| 291 | Tronix | missing | | |
| 292 | Tropic Software | Russia | | |
| 293 | TRS | | | |
| 294 | True Emotions | Spain | | |
| 295 | True Soft | True Software | | |
| 296 | True Software | | | |
| 297 | True Video | missing | | |
| 298 | TSB | Lloyds TSB Bank PLC | | |
| 299 | TSF's Workshop PLC | missing | | |
| 300 | TSF's Workshop PLC | missing | | |
| 301 | Tsunami Group | Russia | Izhevsk | |
| 302 | Tu Micro | Ediciones Ingelek S.A. | Spain | |
| 303 | Tuckersoft | United Kingdom | | |
| 304 | Turtle Software | John Grain | United Kingdom | |
| 305 | Tutorial Software | United Kingdom | | |
| 306 | TV Games | missing | | |
| 307 | TV Soft | United Kingdom | | |
| 308 | Tweety Soft Ltd | Mirko Monninghoff | Germany | |
| 309 | Twibright Labs | Czech Republic | | |
| 310 | Twig Systems Software | United Kingdom | | |
| 311 | Twilight | United Kingdom | | |
| 312 | Twin Peaks Group | Belarus | Slonim | |
| 313 | Two Bears Software | Poland | | |
| 314 | TX Software | United Kingdom | | |
| 315 | Tygrys | | | |
| 316 | Tynesoft | United Kingdom | | |
