The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11301 | Inter Ya Granny | £ 162,752,353 | |
| 11302 | Inter Ye mam | £ 113,368,031 | |
| 11303 | Intercourse | £ 7,425,566 | |
| 11304 | Interest | £ 171,857,019 | |
| 11305 | Interesting Company Name | £ 38,884,650 | |
| 11306 | Interesting Inc. | £ 115,169,616 | |
| 11307 | Interests | £ 45,619,210 | |
| 11308 | Interference | £ 73,155,882 | |
| 11309 | Intergalactic Humanoids | £ 138,751,883 | |
| 11310 | Interior Two | £ 13,505,023 | |
| 11311 | Interlaced ent | £ 26,839,614 | |
| 11312 | Interlaced inc | £ 6,609,164 | |
| 11313 | Interlagos | £ 62,187,801 | |
| 11314 | Intern | £ 3,784,334 | |
| 11315 | Internal Affairs | £ 1,505,037,105 | |
| 11316 | Internal Audit | £ 5,084,223 | |
| 11317 | Internal combustion | £ 10,259,967 | |
| 11318 | Internal Revenue | £ 213,429,745 | |
| 11319 | Internal Server Error | £ 414,636,946 | |
| 11320 | International Mystery | £ 5,506,934 | |
| 11321 | International Rescue | £ 1,016,616,938 | |
| 11322 | Internet Chicken | £ 2,964,862 | |
| 11323 | InterplanetaryCraft | £ 249,199,377 | |
| 11324 | Interpol | £ 48,959,727 | |
| 11325 | Interruption | £ 45,034,064 | |
| 11326 | Interscope | £ 39,811,703 | |
| 11327 | Interstate 580 | £ 62,572,522 | |
| 11328 | Intestinal Discomfort | £ 56,322,543 | |
| 11329 | Intimacy | £ 460,690,059 | |
| 11330 | Intl Secret Intel Agency | £ 283,843,957 | |
| 11331 | Into Light | £ 2,490,919 | |
| 11332 | Into your DMs | £ 67,673,192 | |
| 11333 | Intothenight | £ 1,845,829 | |
| 11334 | Intrepia | £ 59,115,436 | |
| 11335 | Intrigue | £ 583,594,547 | |
| 11336 | Intuitive | £ 54,700,056 | |
| 11337 | INUYASHA | £ 41,684,637 | |
| 11338 | Invader | £ 166,638,863 | |
| 11339 | Invaders 2 | £ 33,587,924 | |
| 11340 | Invaders 4 | £ 2,086,777 | |
| 11341 | invalid | £ -9,650,282 | |
| 11342 | Invaluable Deeds | £ 33,829,098 | |
| 11343 | Invasion | £ 296,793,233 | |
| 11344 | Invention | £ 1,494,837,639 | |
| 11345 | Invention. | £ 4,312,407,177 | |
| 11346 | Inventions R US | £ 6,854,812 | |
| 11347 | Inverness | £ 49,037,965 | |
| 11348 | Inverse Ferocity | £ 10,650,542 | |
| 11349 | Inversion | £ 84,939,373 | |
| 11350 | Investigation | £ 32,969,246 | |
| 11351 | Investigations | £ 5,510,265 | |
| 11352 | Investment | £ 2,221,888,865 | |
| 11353 | Investor Inc | £ 19,491 | |
| 11354 | Investors | £ 556,818,970 | |
| 11355 | Invicible | £ 1,571,549,869 | |
| 11356 | Invictus | £ 234,266,883 | |
| 11357 | Invictus Co. | £ 6,317,756 | |
| 11358 | Invincibility | £ 7,000,000,000 | |
| 11359 | Invincible Blood | £ 22,642,999 | |
| 11360 | Invisibility | £ 7,022,775,691 | |
| 11361 | Invisible | £ 5,500,467 | |
| 11362 | Invulnerability | £ 7,000,000,000 | |
| 11363 | IOM | £ 10,369,366 | |
| 11364 | Iowa | £ 2,148,038 | |
| 11365 | IP Tables | £ 1,258,301,796 | |
| 11366 | Ipeople | £ 6,717,633 | |
| 11367 | iPhone 5s or iPhone 5c | £ 251,993,104 | |
| 11368 | iPhone Maxi | £ 21,262,521 | |
| 11369 | iphone se 2 | £ 1,537,913 | |
| 11370 | iPhones | £ 131,987,936 | |
| 11371 | IpWorm | £ 3,642,355 | |
| 11372 | IQM Medical Ltd. | £ 50,000 | |
| 11373 | IRA | £ 65,608,485 | |
| 11374 | Iran | £ 32,215,198 | |
| 11375 | Iraq | £ 44,717,420 | |
| 11376 | irasshaimase | £ 224,142,634 | |
| 11377 | Ireland | £ 5,965,992 | |
| 11378 | iReps | £ 2,223,311 | |
| 11379 | Irish Bomber | £ 50,000 | |
| 11380 | Irish Carbomb | £ 56,896,614 | |
| 11381 | irish descent | £ 222,031,996 | |
| 11382 | irish logic6 | £ 50,000 | |
| 11383 | irish logic7 | £ 50,000 | |
| 11384 | irish logic8 | £ 50,000 | |
| 11385 | irish logic9 | £ 50,000 | |
| 11386 | Irish Red Inc | £ 5,507,308 | |
| 11387 | Irish Republican Army | £ 191,860,837 | |
| 11388 | Irish Whiskey | £ 1,291,107 | |
| 11389 | Irish Wrecking Ball | £ 5,052,671 | |
| 11390 | Irish_Eejit | £ 18,195,704 | |
| 11391 | Irn Bru | £ 142,865,891 | |
| 11392 | iron | £ 27,511,144 | |
| 11393 | iron banana | £ 138,370,638 | |
| 11394 | Iron Brew | £ 60,152,848 | |
| 11395 | Iron hammer | £ 116,168,800 | |
| 11396 | Iron Maiden | £ 181,261,952 | |
| 11397 | Iron Man | £ 7,871,863 | |
| 11398 | Iron Market | £ 4,257,249 | |
| 11399 | Iron Mike Tyson | £ 367,318,671 | |
| 11400 | Iron Veil Ltd | £ 4,371,547 | |
