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