The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10701 | Infection | £ 35,893,504 | |
| 10702 | Inferior | £ 695,265 | |
| 10703 | Inferno | £ 13,970,446 | |
| 10704 | Inferno Scorpion | £ 35,686,825 | |
| 10705 | infiltration | £ 289,329,058 | |
| 10706 | infinate | £ 884,198 | |
| 10707 | Infinite Enterprises | £ 64,016,264 | |
| 10708 | Infinite Jewelers | £ 1,581,642 | |
| 10709 | Infinite Possibilities | £ 3,510,774 | |
| 10710 | Infinity | £ 169,159,081 | |
| 10711 | Infinity and Beyond | £ 62,631,233 | |
| 10712 | Infinity Horizon | £ 3,224,668 | |
| 10713 | Inflation | £ 115,274,054 | |
| 10714 | inflection point | £ 52,805,978 | |
| 10715 | Inflicting Pain | £ 5,371,678,096 | |
| 10716 | Influence | £ 31,119,222 | |
| 10717 | influenza | £ 2,078,668 | |
| 10718 | Information | £ 2,452,790,604 | |
| 10719 | Information Act | £ 21,410,016 | |
| 10720 | Information warfare | £ 62,648,149 | |
| 10721 | Infrastructure | £ 110,207,036 | |
| 10722 | Ingalls | £ 5,969,015 | |
| 10723 | Ingenuity | £ 229,132,507 | |
| 10724 | ingersoll | £ 272,873,593 | |
| 10725 | IngloriousG1 | £ 11,085,920 | |
| 10726 | IngloriousG2 | £ 21,578,348 | |
| 10727 | IngloriousG3 | £ 4,960,556 | |
| 10728 | IngloriousG4 | £ 38,861,336 | |
| 10729 | IngloriousG5 | £ 5,227,616 | |
| 10730 | Inheritance | £ 137,354,160 | |
| 10731 | Inhibitions | £ 14,446,176,538 | |
| 10732 | Iniquity | £ 39,946,792 | |
| 10733 | inishing | £ 1,064,467,186 | |
| 10734 | Initech | £ 36,273 | |
| 10735 | Initech Plc | £ 7,929,555 | |
| 10736 | Initial Test | £ 32,245,452 | |
| 10737 | Initiative | £ 149,209,958 | |
| 10738 | Injustice | £ 235,116,351 | |
| 10739 | Ink | £ 47,124,269 | |
| 10740 | Inkatek | £ 1,339,600 | |
| 10741 | Inland Taipan | £ 51,190,069 | |
| 10742 | Inmarsat | £ 75,116,504 | |
| 10743 | Inn of the Last Home | £ 1,403,402 | |
| 10744 | Inner Station | £ 6,596,243 | |
| 10745 | Innie | £ 40,700,177 | |
| 10746 | Innisfree | £ 243,753,959 | |
| 10747 | Innocence | £ 61,612,365 | |
| 10748 | Innocent Enterprise | £ 64,597,451 | |
| 10749 | Innocent Waif Co. | £ 1,079,484 | |
| 10750 | Innovation | £ 52,326,052 | |
| 10751 | Innsbruck | £ 38,394,642 | |
| 10752 | Insane in | £ 37,438,452 | |
| 10753 | Insane In The Membrane | £ 492,420,776 | |
| 10754 | Insane Inc | £ 103,865,323 | |
| 10755 | insanity | £ 5,114,820 | |
| 10756 | Insanity.inc | £ -4,636,568 | |
| 10757 | Insatiability | £ 7,000,282,052 | |
| 10758 | Insect Inferno | £ 4,274,551 | |
| 10759 | insects | £ 40,152,036 | |
| 10760 | Insert Tool Tech | £ 218,766,740 | |
| 10761 | Inside Job | £ 49,747,420 | |
| 10762 | Insidious | £ 4,243,428 | |
| 10763 | Insidious Scams | £ 1,126,522 | |
| 10764 | Insight | £ 4,930,782 | |
| 10765 | Insignia | £ 15,236,269 | |
| 10766 | Insomnia | £ 111,310,354 | |
| 10767 | Insomnia Inc | £ 13,618,559 | |
| 10768 | Insomniac | £ 349,981,951 | |
| 10769 | Insomniacs | £ 37,726,922 | |
| 10770 | Insomniacs Inc | £ 27,056,872 | |
| 10771 | Inspecticide | £ 86,260,352 | |
| 10772 | Inspecticidus | £ 1,179,300 | |
| 10773 | inspection | £ 71,610,568 | |
| 10774 | Inspector Gadget | £ 1,597,152,250 | |
| 10775 | Inspiration | £ 293,268,063 | |
| 10776 | Inspiron | £ 55,842,972 | |
| 10777 | Inssomniak | £ 12,336,632 | |
| 10778 | Insta-threat11 | £ -10,135,618 | |
| 10779 | Instability | £ 6,823,352,819 | |
| 10780 | £ 188,730,522 | ||
| 10781 | Instamatic | £ 2,961,543 | |
| 10782 | Instrument | £ 5,045,464 | |
| 10783 | insubordination | £ 1,331,513,996 | |
| 10784 | Insufficient Amount | £ 115,460,289 | |
| 10785 | Insufficient Storage | £ 58,973,619 | |
| 10786 | Insult to Injury | £ 125,570,628 | |
| 10787 | Insults | £ 555,598,769 | |
| 10788 | Insurance | £ 192,712,894 | |
| 10789 | Insurection | £ 173,310,394 | |
| 10790 | Insurrection | £ 61,411,282 | |
| 10791 | IntArch | £ 4,051,737 | |
| 10792 | Integrated Finance | £ 5,613,209 | |
| 10793 | Integrity | £ 62,272,169 | |
| 10794 | Intel | £ 4,159,306 | |
| 10795 | Intel 8008 | £ 173,790,514 | |
| 10796 | Intel Corperation | £ 5,502,692 | |
| 10797 | Intelaro | £ 4,025,852 | |
| 10798 | INTELECT MID | £ 4,542,979 | |
| 10799 | INTELECT NORTH | £ 3,506,604 | |
| 10800 | INTELECT SOUTH | £ 5,501,704 | |
