The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10501 | IsSweet | £ 127,168,688 | |
| 10502 | Istanbul | £ 1,523,529,415 | |
| 10503 | Istari Incorporated | £ 178,082,232 | |
| 10504 | It All | £ 423,487,180 | |
| 10505 | It doesnt even matter | £ 54,317,166 | |
| 10506 | it in peace | £ 336,850,753 | |
| 10507 | It Was Me | £ 4,689,219 | |
| 10508 | It wasnt me | £ -1,511,969 | |
| 10509 | It. | £ 31,426,274 | |
| 10510 | Itaewon | £ 204,542,470 | |
| 10511 | Italia | £ 11,477,369 | |
| 10512 | Italia 90 | £ 1,065,928,264 | |
| 10513 | Italia250 | £ 10,218,183 | |
| 10514 | Italia458 | £ 10,954,486 | |
| 10515 | Italian Cuisine | £ 769,210,166 | |
| 10516 | Italian Virginity | £ 7,010,156 | |
| 10517 | Italiano Inc | £ 73,757,136 | |
| 10518 | Italy | £ 10,959,839 | |
| 10519 | ItalysGrimReaper | £ 4,607,865 | |
| 10520 | Itaylee | £ 54,472,196 | |
| 10521 | Itch | £ 120,105,241 | |
| 10522 | Itchycoo | £ 19,734,040 | |
| 10523 | Itek Corporation | £ 54,858,588 | |
| 10524 | Ithilien Inc | £ 5,504,975 | |
| 10525 | itiswhatitis | £ 2,023,294 | |
| 10526 | Its a Farm knock life | £ 12,814,343 | |
| 10527 | Its A Madness | £ 14,405,587 | |
| 10528 | Its All Kicking Off | £ -2,833,205 | |
| 10529 | Its an illusion | £ 573,172,121 | |
| 10530 | Its Cold Outside | £ 27,441,140 | |
| 10531 | Its Gone | £ 69,164,894 | |
| 10532 | its got Electrolytes | £ 479,637,168 | |
| 10533 | its just frustrating | £ 53,742,044 | |
| 10534 | Its not me its you | £ 75,503,764 | |
| 10535 | Its on fire | £ 87,080,186 | |
| 10536 | Its only me | £ 9,666,927 | |
| 10537 | its only Netro | £ 3,735,138,646 | |
| 10538 | Itsameamario | £ 2,621,262 | |
| 10539 | itsameawario | £ 50,000 | |
| 10540 | itsmycinema | £ 3,721,996 | |
| 10541 | Itwasntme | £ 960,279 | |
| 10542 | Iupus | £ 1,660,877 | |
| 10543 | iVan | £ 7,255,795 | |
| 10544 | Ivan The Terrible | £ 54,786,363 | |
| 10545 | iverynbx | £ 1,254,073 | |
| 10546 | ivor beenshafted | £ -1,541,239 | |
| 10547 | Ivor Bigun | £ 180,224,589 | |
| 10548 | Ivory | £ 52,698,561 | |
| 10549 | IvyMoon | £ 18,405,059 | |
| 10550 | Iwant | £ 6,221,305 | |
| 10551 | IWDAL | £ 979,060 | |
| 10552 | IWilldie | £ 17,844,527 | |
| 10553 | Izaura | £ 5,506,894 | |
| 10554 | izzywizzy | £ 573,240,657 | |
| 10555 | I_C_U_P | £ 67,670,948 | |
| 10556 | J LTD | £ 5,383,594 | |
| 10557 | J M Seymour Inc | £ 178,386,723 | |
| 10558 | J R Ewing | £ -3,956,096 | |
| 10559 | J Sparrow and Co | £ 35,988,165 | |
| 10560 | J U P I T E R | £ 214,640 | |
| 10561 | J. R. Oppenheimer | £ 453,784,896 | |
| 10562 | J.K.M. Holdings | £ 340,788 | |
| 10563 | J.P. Morgan and Co. | £ 1,472,721,538 | |
| 10564 | J2KEnterprises | £ 50,000 | |
| 10565 | J2KEnterprises2 | £ 50,000 | |
| 10566 | J2KEnterprises3 | £ 50,000 | |
| 10567 | J2KEnterprises4 | £ 50,000 | |
| 10568 | jaavar | £ 902,364 | |
| 10569 | Jabbersinthemist | £ 10,958,667 | |
| 10570 | Jack | £ 1,287,181 | |
| 10571 | jack army | £ 10,824,492 | |
| 10572 | jack army1 | £ 40,316,246 | |
| 10573 | jack army2 | £ 3,766,974 | |
| 10574 | Jack Daniels | £ 799,925,612 | |
| 10575 | Jack Flash | £ 230,120,947 | |
| 10576 | Jack N Coke | £ 145,974,981 | |
| 10577 | Jack Reacher | £ 17,384,084 | |
| 10578 | Jack the Ripper | £ 876,963,699 | |
| 10579 | Jack White | £ 20,578,997 | |
| 10580 | jack.cordery | £ 1,975,008 | |
| 10581 | Jackass | £ 1,167,870 | |
| 10582 | Jackcorp | £ 5,274,211 | |
| 10583 | JackHillInc | £ 165,012 | |
| 10584 | Jackoban Inc | £ 50,000 | |
| 10585 | Jackpot Ltd | £ 150,818,898 | |
| 10586 | jacks hatch ltd | £ 6,538,761 | |
| 10587 | Jackson Gertrid Marsalae | £ 703,680 | |
| 10588 | Jackson Hardware | £ 238,333 | |
| 10589 | Jackson Inc | £ 79,964,413 | |
| 10590 | Jackson Manor | £ 6,744,189 | |
| 10591 | Jackson-Call Agency | £ 53,563,703 | |
| 10592 | Jacksonville | £ 56,272,117 | |
| 10593 | JacksSnacks | £ -198,051 | |
| 10594 | jacktheripper | £ 68,469,039 | |
| 10595 | JACOB ROTHSCHILD | £ 55,304,808 | |
| 10596 | Jacob the Jeweler | £ 218,814,666 | |
| 10597 | Jacobs Holdings | £ 34,590,914 | |
| 10598 | jacobus se plaas huis | £ 132,201,417 | |
| 10599 | Jadore Le Concept | £ 134,202,308 | |
| 10600 | Jadran | £ 242,115,687 | |
