The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10601 | idiot | £ 181,454,110 | |
| 10602 | idiot outside | £ 1,367,406 | |
| 10603 | idiots | £ 138,032,734 | |
| 10604 | idk | £ 22,369,215 | |
| 10605 | IDM | £ 7,290,081 | |
| 10606 | IDOLATRY | £ 102,471,634 | |
| 10607 | idontknow | £ 112,149,434 | |
| 10608 | idontknow 2 | £ 15,218,152 | |
| 10609 | Idunno | £ 5,503,228 | |
| 10610 | if theres smoke theres | £ 5,607,219 | |
| 10611 | If You Love The Darts | £ 62,187,302 | |
| 10612 | if you think you can | £ 11,755 | |
| 10613 | Igloo | £ 1,489,141 | |
| 10614 | Igloos Inc. | £ 51,774,515 | |
| 10615 | Ignis Regnante | £ 1,473,718 | |
| 10616 | Ignite | £ 816,524 | |
| 10617 | Ignorance | £ 70,972,718 | |
| 10618 | Igor | £ 187,416,371 | |
| 10619 | iguacu | £ 21,203,760 | |
| 10620 | ihaveasmallwilly | £ 2,446,646 | |
| 10621 | IHFi inc. | £ 50,000 | |
| 10622 | III | £ 586,479 | |
| 10623 | iiiiiiii | £ 5,503,998 | |
| 10624 | IKA 1 | £ 199,431,833 | |
| 10625 | IKA 2 | £ 142,858,615 | |
| 10626 | IKA 3 | £ 212,650,389 | |
| 10627 | IKA 4 | £ 178,837,518 | |
| 10628 | IKA 5 | £ 154,886,408 | |
| 10629 | IKA 6 | £ 163,831,645 | |
| 10630 | IKA 7 | £ 247,612,528 | |
| 10631 | IKA 8 | £ 309,654,445 | |
| 10632 | IKA 9 | £ 97,345,736 | |
| 10633 | Ikea | £ 1,051,614,912 | |
| 10634 | iKillBond | £ 13,470 | |
| 10635 | iKruzie Industries | £ 5,493,855 | |
| 10636 | Ikuzus Motors | £ 1,837,037 | |
| 10637 | ilament | £ 499,793,593 | |
| 10638 | ilisticexpialidocious | £ 61,189,396 | |
| 10639 | Ilium | £ 18,465,425 | |
| 10640 | Ill | £ 89,625,392 | |
| 10641 | Ill be back | £ 134,141,568 | |
| 10642 | Ill Intent | £ 49,463,767 | |
| 10643 | ill mug you | £ 6,567,371 | |
| 10644 | ill repute | £ 292,003,037 | |
| 10645 | ill set you free | £ 187,199,961 | |
| 10646 | Ill Will | £ 747,414,808 | |
| 10647 | Illicit Dealings | £ 1,825,722 | |
| 10648 | Illicit drugs | £ 43,147,906 | |
| 10649 | Illicit Expressions | £ 1,122,239 | |
| 10650 | Illicit Materials | £ 1,898,784,893 | |
| 10651 | Illimitability | £ 6,784,905,438 | |
| 10652 | illuminate | £ 1,505,842 | |
| 10653 | Illuminate Inc | £ 39,003,010 | |
| 10654 | Illuminati | £ 2,526,303 | |
| 10655 | Illuminati LLC | £ 176,956,038 | |
| 10656 | ILoveDiamonds | £ 7,918,465 | |
| 10657 | iLoveLa | £ 6,179,894 | |
| 10658 | Im a Celebrity | £ 104,094,859 | |
| 10659 | Im a Doctor | £ 451,609,043 | |
| 10660 | Im a Teapot | £ 146,382,049 | |
| 10661 | Im Confused | £ 12,440,105 | |
| 10662 | IM LATE FOR BUSINESS | £ 6,559,282 | |
| 10663 | im not that creative | £ 5,504,087 | |
| 10664 | Im Sleeping | £ 2,077,574 | |
| 10665 | Im telling on you | £ 67,370,548 | |
| 10666 | Imac | £ 61,600,046 | |
| 10667 | Image corps | £ 75,981 | |
| 10668 | image displays | £ 1,088,606 | |
| 10669 | Imaginary People On Chat | £ 73,168,490 | |
| 10670 | imastabu | £ 5,465,214 | |
| 10671 | IMAX Corporation | £ 651,693,375 | |
| 10672 | imback | £ 104,322 | |
| 10673 | imbackinthegame | £ 719,382 | |
| 10674 | Imjin | £ 37,298,391 | |
| 10675 | Imma Queen | £ 55,518,131 | |
| 10676 | Imma Werewolf | £ 10,852,364 | |
| 10677 | Immortal | £ 37,793,181 | |
| 10678 | Immortal Co. | £ 4,846,068 | |
| 10679 | immortal doom | £ 1,001,682,283 | |
| 10680 | Immortal LTD | £ 1,754,331 | |
| 10681 | Immortal Will | £ 264,599,622 | |
| 10682 | Immortality | £ 193,151,936 | |
| 10683 | Immovable Object | £ 2,129,824,425 | |
| 10684 | Immunity | £ 53,863,710 | |
| 10685 | Immutability | £ 1,706,991,306 | |
| 10686 | ImNotAHipster | £ -2,267,089 | |
| 10687 | Impact Alliances 1 | £ 3,033,716 | |
| 10688 | Impact Alliances 2 | £ 4,971,861 | |
| 10689 | Impact Handling | £ 78,508,406 | |
| 10690 | Impact Industries | £ 108,144,644 | |
| 10691 | Impaction | £ 328,948,680 | |
| 10692 | Impedance | £ 732,891,715 | |
| 10693 | Impending Doom | £ 5,389,518 | |
| 10694 | Imperial | £ 54,532,048 | |
| 10695 | Imperial Battlecruisers | £ 244,984,314 | |
| 10696 | Imperial Chokehold | £ 4,590,245 | |
| 10697 | Imperial Elite | £ 2,152,678 | |
| 10698 | Imperial Expansion | £ 552,472,090 | |
| 10699 | Imperial Holdings | £ 54,858,855 | |
| 10700 | Imperial Industries | £ 6,336 | |
