The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10301 | Innocent Waif Co. | £ 1,079,484 | |
| 10302 | Innovation | £ 52,326,052 | |
| 10303 | Innsbruck | £ 38,394,642 | |
| 10304 | Insane in | £ 41,949,468 | |
| 10305 | Insane In The Membrane | £ 492,420,776 | |
| 10306 | Insane Inc | £ 103,865,323 | |
| 10307 | insanity | £ 5,114,820 | |
| 10308 | Insanity.inc | £ -4,636,568 | |
| 10309 | Insatiability | £ 6,874,282,052 | |
| 10310 | Insect Inferno | £ 4,274,551 | |
| 10311 | insects | £ 40,152,036 | |
| 10312 | Insert Tool Tech | £ 218,766,740 | |
| 10313 | Inside Job | £ 28,747,420 | |
| 10314 | Insidious | £ 4,243,428 | |
| 10315 | Insight | £ 4,930,782 | |
| 10316 | Insignia | £ 15,236,269 | |
| 10317 | Insomnia | £ 111,310,354 | |
| 10318 | Insomnia Inc | £ 13,618,559 | |
| 10319 | Insomniac | £ 349,981,951 | |
| 10320 | Insomniacs Inc | £ 27,056,872 | |
| 10321 | Inspecticide | £ 86,260,352 | |
| 10322 | Inspecticidus | £ 1,179,300 | |
| 10323 | inspection | £ 71,610,568 | |
| 10324 | Inspector Gadget | £ 1,610,176,382 | |
| 10325 | Inspiration | £ 293,268,063 | |
| 10326 | Inspiron | £ 55,842,972 | |
| 10327 | Insta-threat11 | £ -10,135,618 | |
| 10328 | Instability | £ 6,823,352,819 | |
| 10329 | £ 188,730,522 | ||
| 10330 | Instrument | £ 5,045,464 | |
| 10331 | insubordination | £ 1,228,986,021 | |
| 10332 | Insufficient Amount | £ 115,460,289 | |
| 10333 | Insufficient Storage | £ 58,973,619 | |
| 10334 | Insult to Injury | £ 127,262,517 | |
| 10335 | Insults | £ 555,598,769 | |
| 10336 | Insurance | £ 192,712,894 | |
| 10337 | Insurection | £ 173,310,394 | |
| 10338 | Insurrection | £ 61,411,282 | |
| 10339 | IntArch | £ 4,051,737 | |
| 10340 | Integrated Finance | £ 5,613,209 | |
| 10341 | Integrity | £ 62,272,169 | |
| 10342 | Intel | £ 4,159,306 | |
| 10343 | Intel 8008 | £ 167,681,454 | |
| 10344 | Intel Corperation | £ 5,502,692 | |
| 10345 | Intelaro | £ 4,025,852 | |
| 10346 | INTELECT MID | £ 4,542,979 | |
| 10347 | INTELECT NORTH | £ 3,506,604 | |
| 10348 | INTELECT SOUTH | £ 5,501,704 | |
| 10349 | inteligence | £ 61,895,040 | |
| 10350 | Inteligent | £ 320,833,576 | |
| 10351 | Intellectual Property | £ 302,879,550 | |
| 10352 | Intelligence | £ 1,269,185,751 | |
| 10353 | Intelligence Corp | £ 39,457,512 | |
| 10354 | intelligent conversation | £ 212,620,921 | |
| 10355 | Intelligentsia | £ 11,111,004 | |
| 10356 | Intelligibility | £ 6,707,930,746 | |
| 10357 | intense lines | £ 748,561 | |
| 10358 | Intense Solar | £ 98,277,569 | |
| 10359 | Intent | £ 208,032,022 | |
| 10360 | Intentions | £ 16,187,793 | |
| 10361 | Inter Ya Dog | £ 118,992,808 | |
| 10362 | Inter Ya Gran | £ 12,738,841 | |
| 10363 | Inter Ya Granny | £ 162,752,353 | |
| 10364 | Inter Ye mam | £ 113,368,031 | |
| 10365 | Intercourse | £ 5,503,657 | |
| 10366 | Interest | £ 197,113,643 | |
| 10367 | Interesting Company Name | £ 38,884,650 | |
| 10368 | Interesting Inc. | £ 115,169,616 | |
| 10369 | Interests | £ 43,486,635 | |
| 10370 | Interference | £ 68,831,171 | |
| 10371 | Intergalactic Humanoids | £ 138,751,883 | |
| 10372 | Interior Two | £ 13,505,023 | |
| 10373 | Interlaced ent | £ 26,839,614 | |
| 10374 | Interlaced inc | £ 6,609,164 | |
| 10375 | Interlagos | £ 62,187,801 | |
| 10376 | Internal Affairs | £ 514,241,616 | |
| 10377 | Internal Audit | £ 5,084,223 | |
| 10378 | Internal combustion | £ 10,259,967 | |
| 10379 | Internal Server Error | £ 317,136,946 | |
| 10380 | International Mystery | £ 5,506,934 | |
| 10381 | International Rescue | £ 925,585,200 | |
| 10382 | Internet Chicken | £ 2,964,862 | |
| 10383 | InterplanetaryCraft | £ 247,022,132 | |
| 10384 | Interruption | £ 45,034,064 | |
| 10385 | Interscope | £ 39,811,703 | |
| 10386 | Interstate 580 | £ 9,727,560 | |
| 10387 | Intestinal Discomfort | £ 56,322,543 | |
| 10388 | Intimacy | £ 460,690,059 | |
| 10389 | Intl Secret Intel Agency | £ 283,843,957 | |
| 10390 | Into Light | £ 2,490,919 | |
| 10391 | Into your DMs | £ 67,391,682 | |
| 10392 | Intothenight | £ 1,845,829 | |
| 10393 | Intrepia | £ 59,115,436 | |
| 10394 | Intrigue | £ 583,594,547 | |
| 10395 | Intuitive | £ 54,700,056 | |
| 10396 | Invader | £ 166,638,863 | |
| 10397 | Invaders 2 | £ 33,587,924 | |
| 10398 | Invaders 4 | £ 2,086,777 | |
| 10399 | invalid | £ -9,650,282 | |
| 10400 | Invaluable Deeds | £ 33,829,098 | |
