The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10601 | Industry | £ 5,212,150,401 | |
| 10602 | Ineedmoney7 | £ 174,382 | |
| 10603 | INEOS | £ 1,496,827,707 | |
| 10604 | Ineptitude | £ 20,326,803 | |
| 10605 | Inertia | £ 4,581,770,548 | |
| 10606 | Inevitability | £ 16,598,214,502 | |
| 10607 | Inevitably | £ 2,734,156,104 | |
| 10608 | Infadels | £ 6,898,305 | |
| 10609 | Infallibility | £ 7,006,371,669 | |
| 10610 | Infection | £ 35,893,504 | |
| 10611 | Inferior | £ 695,265 | |
| 10612 | Inferno | £ 13,970,446 | |
| 10613 | Inferno Scorpion | £ 35,686,825 | |
| 10614 | infiltration | £ 289,329,058 | |
| 10615 | infinate | £ 884,198 | |
| 10616 | Infinite Enterprises | £ 64,016,264 | |
| 10617 | Infinite Jewelers | £ 1,581,642 | |
| 10618 | Infinite Possibilities | £ 788,950 | |
| 10619 | Infinity | £ 169,159,081 | |
| 10620 | Infinity and Beyond | £ 62,631,233 | |
| 10621 | Infinity Horizon | £ 674,721 | |
| 10622 | Inflation | £ 115,274,054 | |
| 10623 | inflection point | £ 52,465,474 | |
| 10624 | Inflicting Pain | £ 5,371,678,096 | |
| 10625 | Influence | £ 31,119,222 | |
| 10626 | influenza | £ 2,078,668 | |
| 10627 | Information | £ 2,452,790,604 | |
| 10628 | Information Act | £ 21,410,016 | |
| 10629 | Information warfare | £ 62,648,149 | |
| 10630 | Infrastructure | £ 110,207,036 | |
| 10631 | Ingalls | £ 5,969,015 | |
| 10632 | Ingenuity | £ 229,132,507 | |
| 10633 | ingersoll | £ 272,873,593 | |
| 10634 | IngloriousG1 | £ 11,085,920 | |
| 10635 | IngloriousG2 | £ 21,578,348 | |
| 10636 | IngloriousG3 | £ 4,960,556 | |
| 10637 | IngloriousG4 | £ 38,861,336 | |
| 10638 | IngloriousG5 | £ 5,227,616 | |
| 10639 | Inheritance | £ 137,354,160 | |
| 10640 | Inhibitions | £ 14,428,176,538 | |
| 10641 | Iniquity | £ 36,786,665 | |
| 10642 | inishing | £ 1,064,467,186 | |
| 10643 | Initech | £ 86,273 | |
| 10644 | Initech Plc | £ 7,929,555 | |
| 10645 | Initial Test | £ 32,245,452 | |
| 10646 | Initiative | £ 149,209,958 | |
| 10647 | Injustice | £ 244,923,519 | |
| 10648 | Ink | £ 47,124,269 | |
| 10649 | Inkatek | £ 1,339,600 | |
| 10650 | Inland Taipan | £ 39,190,069 | |
| 10651 | Inmarsat | £ 72,160,232 | |
| 10652 | Inn of the Last Home | £ 1,403,402 | |
| 10653 | Inner Station | £ 6,596,243 | |
| 10654 | Innie | £ 40,700,177 | |
| 10655 | Innisfree | £ 243,753,959 | |
| 10656 | Innocence | £ 61,612,365 | |
| 10657 | Innocent Enterprise | £ 64,597,451 | |
| 10658 | Innocent Waif Co. | £ 1,079,484 | |
| 10659 | Innovation | £ 52,326,052 | |
| 10660 | Innsbruck | £ 38,394,642 | |
| 10661 | Insane in | £ 16,746,826 | |
| 10662 | Insane In The Membrane | £ 492,420,776 | |
| 10663 | Insane Inc | £ 103,865,323 | |
| 10664 | insanity | £ 5,114,820 | |
| 10665 | Insanity.inc | £ -4,586,568 | |
| 10666 | Insatiability | £ 7,000,282,052 | |
| 10667 | Insect Inferno | £ 4,274,551 | |
| 10668 | insects | £ 40,152,036 | |
| 10669 | Insert Tool Tech | £ 218,766,740 | |
| 10670 | Inside Job | £ 49,747,420 | |
| 10671 | Insidious | £ 4,243,428 | |
| 10672 | Insidious Scams | £ 1,126,522 | |
| 10673 | Insight | £ 4,930,782 | |
| 10674 | Insignia | £ 15,236,269 | |
| 10675 | Insomnia | £ 111,310,354 | |
| 10676 | Insomnia Inc | £ 13,618,559 | |
| 10677 | Insomniac | £ 349,981,951 | |
| 10678 | Insomniacs | £ 17,519,895 | |
| 10679 | Insomniacs Inc | £ 27,056,872 | |
| 10680 | Inspecticide | £ 86,260,352 | |
| 10681 | Inspecticidus | £ 1,179,300 | |
| 10682 | inspection | £ 71,610,568 | |
| 10683 | Inspector Gadget | £ 1,595,219,610 | |
| 10684 | Inspiration | £ 293,268,063 | |
| 10685 | Inspiron | £ 55,842,972 | |
| 10686 | Insta-threat11 | £ -10,085,618 | |
| 10687 | Instability | £ 6,823,352,819 | |
| 10688 | £ 188,730,522 | ||
| 10689 | Instamatic | £ 2,109,241 | |
| 10690 | Instrument | £ 5,045,464 | |
| 10691 | insubordination | £ 1,305,962,095 | |
| 10692 | Insufficient Amount | £ 115,460,289 | |
| 10693 | Insufficient Storage | £ 58,973,619 | |
| 10694 | Insult to Injury | £ 127,386,875 | |
| 10695 | Insults | £ 555,598,769 | |
| 10696 | Insurance | £ 192,712,894 | |
| 10697 | Insurection | £ 173,310,394 | |
| 10698 | Insurrection | £ 61,411,282 | |
| 10699 | IntArch | £ 4,051,737 | |
| 10700 | Integrated Finance | £ 5,613,209 | |
