The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 6201 | DGX | £ 1,785,302 | |
| 6202 | Dhoby | £ 2,163,275 | |
| 6203 | Dhoom | £ 161,765,678 | |
| 6204 | Diablo | £ 103,290,424 | |
| 6205 | Diablo 2 | £ 56,916,435 | |
| 6206 | Diablo 3 | £ 222,578,695 | |
| 6207 | Diablo 4 | £ 63,874,575 | |
| 6208 | Diacetylmorphine | £ 9,485,366 | |
| 6209 | Diagons | £ 80,731,407 | |
| 6210 | Diamon | £ 434,824,128 | |
| 6211 | Diamond | £ 690,766,881 | |
| 6212 | Diamond Core | £ 74,149,875 | |
| 6213 | Diamond Eyes | £ 202,378,143 | |
| 6214 | Diamond Freeze | £ 51,535,747 | |
| 6215 | Diamond Hand Gang | £ 148,638,005 | |
| 6216 | Diamond Imports | £ 5,511,614 | |
| 6217 | diamond life co | £ 140,016 | |
| 6218 | Diamonds | £ 36,571,177 | |
| 6219 | Diapers | £ 225,608,035 | |
| 6220 | Diarrhoea | £ 161,318,087 | |
| 6221 | Dibbleys Dosh | £ 14,031,779 | |
| 6222 | Dibbleys Dosh 2 | £ 10,022,479 | |
| 6223 | Dibley | £ 225,450,080 | |
| 6224 | Dibo Desire | £ 21,591,663 | |
| 6225 | Dice | £ 5,504,053 | |
| 6226 | Dice Productions | £ 56,932,863 | |
| 6227 | Dice Productions 2 | £ 52,863,275 | |
| 6228 | Dick Hard | £ 6,713,550 | |
| 6229 | Dickolas Corp | £ 415,479 | |
| 6230 | Dictatorship | £ 3,087,138 | |
| 6231 | Diddled | £ 89,619,931 | |
| 6232 | Diddler Dumb | £ 5,205,753 | |
| 6233 | Diddler Richees | £ 7,184,158 | |
| 6234 | Diddley-Squat | £ 79,864,147 | |
| 6235 | Diddy and Roman Inc | £ 4,693,747 | |
| 6236 | dide | £ 17,057 | |
| 6237 | didi | £ 1,097,314 | |
| 6238 | Didildedo | £ 5,541,977 | |
| 6239 | Didnt know it | £ 35,082,466 | |
| 6240 | Die another day | £ 8,455,608 | |
| 6241 | Die Hard | £ 53,388,730 | |
| 6242 | diediedie | £ 1,804 | |
| 6243 | diefast | £ -2,058,629 | |
| 6244 | Diego | £ 10,957,641 | |
| 6245 | Diep Plc | £ 50,000 | |
| 6246 | diesel mechanic | £ 8,647,306 | |
| 6247 | diesel nation | £ -106,147 | |
| 6248 | Different Colours | £ 136,837,838 | |
| 6249 | Different Companies | £ 10,951,267 | |
| 6250 | Diffusion | £ 13,451,380 | |
| 6251 | Dig Um Deep | £ 8,084,155 | |
| 6252 | Digby | £ 3,550,423 | |
| 6253 | Digestion Savings | £ 106,927,913 | |
| 6254 | Digger | £ 4,280,248 | |
| 6255 | Diggers | £ 123,052,595 | |
| 6256 | Digital Backpack | £ 54,293,150 | |
| 6257 | Digital Holocaust | £ 122,257,208 | |
| 6258 | Digitigradient | £ 48,579,834 | |
| 6259 | Dikson | £ 1,081,448 | |
| 6260 | Dildos and Thimbles | £ 907,449 | |
| 6261 | DILLIGAF INC | £ 1,027,492 | |
| 6262 | Dillons | £ 11,045,753 | |
| 6263 | Dim Pixles | £ 103,401,222 | |
| 6264 | Dimes | £ 412,987 | |
| 6265 | Dimms Dale Dimmadome | £ 108,256,803 | |
| 6266 | Din Tai Fung | £ 61,173,835 | |
| 6267 | ding | £ 56,025,272 | |
| 6268 | Ding Ding | £ 59,423,258 | |
| 6269 | Ding Dond | £ 34,741,414 | |
| 6270 | Ding dong | £ -6,131,109 | |
| 6271 | Ding Dong Ding | £ 5,206,124 | |
| 6272 | DingDing | £ 486,642 | |
| 6273 | DingDongs | £ 11,390,477 | |
| 6274 | Dingle Enterprises | £ 5,507,421 | |
| 6275 | Dingleberries | £ 50,000 | |
| 6276 | Dingy | £ 20,863,282 | |
| 6277 | Dinosaurs | £ 56,182,901 | |
| 6278 | Dintotron | £ 60,879,790 | |
| 6279 | Diomedes | £ 59,873,726 | |
| 6280 | Dionysus | £ 57,084,206 | |
| 6281 | Dior | £ 539,841,261 | |
| 6282 | Dip N Dots | £ 50,000 | |
| 6283 | dipsy | £ 6,304,806 | |
| 6284 | Dire Incorporated | £ 4,612,359 | |
| 6285 | Direction | £ 264,955,395 | |
| 6286 | Directors | £ 708,889,590 | |
| 6287 | Dirt | £ 5,506,087 | |
| 6288 | Dirt Birds Inc. | £ 24,034,817 | |
| 6289 | Dirt Naps PLC | £ 1,972,001 | |
| 6290 | dirtdonecheap | £ 2,026,630 | |
| 6291 | DIRTY BANKERS | £ 7,545,943 | |
| 6292 | Dirty Boxers | £ 8,651,082 | |
| 6293 | Dirty Bumba | £ -4,631,425 | |
| 6294 | Dirty Cash | £ 185,633,827 | |
| 6295 | Dirty Chevelles | £ 1,178,049 | |
| 6296 | Dirty Corparation2 | £ 50,000 | |
| 6297 | Dirty Dealings Inc | £ 49,850 | |
| 6298 | Dirty Deeds | £ 11,171,395 | |
| 6299 | Dirty Deeds sheep | £ -675,013 | |
| 6300 | dirty fridge inc | £ 5,271,968 | |
