The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10301 | Inflation | £ 115,274,054 | |
| 10302 | Inflicting Pain | £ 5,371,678,096 | |
| 10303 | Influence | £ 31,119,222 | |
| 10304 | influenza | £ 2,078,668 | |
| 10305 | Information | £ 2,542,323,654 | |
| 10306 | Information Act | £ 21,410,016 | |
| 10307 | Information warfare | £ 12,145,475 | |
| 10308 | Infrastructure | £ 43,896,549 | |
| 10309 | ingagement | £ 5,507,786 | |
| 10310 | Ingalls | £ 5,969,015 | |
| 10311 | Ingenuity | £ 229,132,507 | |
| 10312 | ingersoll | £ 272,873,593 | |
| 10313 | IngloriousG1 | £ 11,085,920 | |
| 10314 | IngloriousG2 | £ 21,578,348 | |
| 10315 | IngloriousG3 | £ 4,960,556 | |
| 10316 | IngloriousG4 | £ 38,861,336 | |
| 10317 | IngloriousG5 | £ 5,227,616 | |
| 10318 | Inheritance | £ 137,354,160 | |
| 10319 | Inhibitions | £ 12,552,839,693 | |
| 10320 | Iniquity | £ 114,962,690 | |
| 10321 | inishing | £ 1,064,467,186 | |
| 10322 | Initech | £ 36,273 | |
| 10323 | Initech Plc | £ 33,772 | |
| 10324 | Initial Test | £ 32,245,452 | |
| 10325 | Initiative | £ 149,209,958 | |
| 10326 | Injustice | £ 201,720,005 | |
| 10327 | Ink | £ 47,124,269 | |
| 10328 | Inkatek | £ 1,339,600 | |
| 10329 | Inn of the Last Home | £ 1,403,402 | |
| 10330 | Inner Station | £ 6,596,243 | |
| 10331 | Innie | £ 40,700,177 | |
| 10332 | Innisfree | £ 243,753,959 | |
| 10333 | Innocence | £ 61,612,365 | |
| 10334 | Innocent Enterprise | £ 28,100,405 | |
| 10335 | Innocent Waif Co. | £ 1,079,484 | |
| 10336 | Innovation | £ 52,326,052 | |
| 10337 | Innsbruck | £ 38,394,642 | |
| 10338 | Insane in | £ 50,000 | |
| 10339 | Insane In The Membrane | £ 492,420,776 | |
| 10340 | Insane Inc | £ 103,865,323 | |
| 10341 | insanity | £ 5,114,820 | |
| 10342 | Insanity.inc | £ -4,636,568 | |
| 10343 | Insatiability | £ 6,761,782,052 | |
| 10344 | Insect Inferno | £ 4,274,551 | |
| 10345 | insects | £ 40,152,036 | |
| 10346 | Insert Tool Tech | £ 207,767,516 | |
| 10347 | inside | £ 545,418,918 | |
| 10348 | Inside Man | £ 11,085,104 | |
| 10349 | Insight | £ 4,930,782 | |
| 10350 | Insignia | £ 15,236,269 | |
| 10351 | Insomnia | £ 111,310,354 | |
| 10352 | Insomnia Inc | £ 13,618,559 | |
| 10353 | Insomniac | £ 349,981,951 | |
| 10354 | Insomniacs Inc | £ 27,056,872 | |
| 10355 | InsomniaX | £ 10,439,967 | |
| 10356 | Inspecticide | £ 86,260,352 | |
| 10357 | Inspecticidus | £ 1,179,300 | |
| 10358 | inspection | £ 71,610,568 | |
| 10359 | Inspector Gadget | £ 1,612,079,460 | |
| 10360 | Inspiration | £ 293,268,063 | |
| 10361 | Inspired | £ 75,424,987 | |
| 10362 | Inspiron | £ 55,842,972 | |
| 10363 | Insta-threat11 | £ -10,135,618 | |
| 10364 | Instability | £ 6,753,010,493 | |
| 10365 | £ 188,730,522 | ||
| 10366 | Instrument | £ 5,045,464 | |
| 10367 | insubordination | £ 298,617,630 | |
| 10368 | Insufficient Amount | £ 115,460,289 | |
| 10369 | Insufficient Storage | £ 57,279,138 | |
| 10370 | Insult to Injury | £ 135,056,813 | |
| 10371 | Insults | £ 555,598,769 | |
| 10372 | Insurance | £ 192,712,894 | |
| 10373 | Insurection | £ 173,310,394 | |
| 10374 | Insurgency | £ 42,263,108 | |
| 10375 | Insurrection | £ 61,411,282 | |
| 10376 | IntArch | £ 4,051,737 | |
| 10377 | Integrated Finance | £ 5,613,209 | |
| 10378 | Integrity | £ 62,272,169 | |
| 10379 | Intel | £ 4,159,306 | |
| 10380 | Intel 8008 | £ 8,864,036 | |
| 10381 | Intel Corperation | £ 5,502,692 | |
| 10382 | INTELECT MID | £ 4,542,979 | |
| 10383 | INTELECT NORTH | £ 3,506,604 | |
| 10384 | INTELECT SOUTH | £ 5,501,704 | |
| 10385 | inteligence | £ 52,375,910 | |
| 10386 | Inteligent | £ 320,833,576 | |
| 10387 | Intellectual Property | £ 54,924,746 | |
| 10388 | Intelligence | £ 1,269,185,751 | |
| 10389 | Intelligibility | £ 6,505,019,595 | |
| 10390 | intended prosecution | £ 42,621,597 | |
| 10391 | intense lines | £ 748,561 | |
| 10392 | Intense Solar | £ 98,277,569 | |
| 10393 | Intent | £ 208,032,022 | |
| 10394 | Intentions | £ 16,187,793 | |
| 10395 | Inter Ya Dog | £ 118,992,808 | |
| 10396 | Inter Ya Gran | £ 12,738,841 | |
| 10397 | Inter Ya Granny | £ 162,752,353 | |
| 10398 | Inter Ye mam | £ 113,368,031 | |
| 10399 | Intercourse | £ 5,503,657 | |
| 10400 | Interest | £ 333,378,392 | |
