The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10801 | Infinite Jewelers | £ 1,581,642 | |
| 10802 | Infinity | £ 169,159,081 | |
| 10803 | Infinity and Beyond | £ 62,631,233 | |
| 10804 | Infinity Horizon | £ 3,655,538 | |
| 10805 | Inflation | £ 115,274,054 | |
| 10806 | inflection point | £ 52,854,973 | |
| 10807 | Inflicting Pain | £ 5,371,678,096 | |
| 10808 | Influence | £ 31,119,222 | |
| 10809 | influenza | £ 2,078,668 | |
| 10810 | Information | £ 2,452,790,604 | |
| 10811 | Information Act | £ 21,410,016 | |
| 10812 | Information warfare | £ 62,648,149 | |
| 10813 | Infrastructure | £ 110,207,036 | |
| 10814 | Ingalls | £ 5,969,015 | |
| 10815 | Ingenuity | £ 229,132,507 | |
| 10816 | ingersoll | £ 272,873,593 | |
| 10817 | IngloriousG1 | £ 11,085,920 | |
| 10818 | IngloriousG2 | £ 21,578,348 | |
| 10819 | IngloriousG3 | £ 4,960,556 | |
| 10820 | IngloriousG4 | £ 38,861,336 | |
| 10821 | IngloriousG5 | £ 5,227,616 | |
| 10822 | Inheritance | £ 137,354,160 | |
| 10823 | Inhibitions | £ 14,644,174,738 | |
| 10824 | Iniquity | £ 122,071,365 | |
| 10825 | inishing | £ 1,064,467,186 | |
| 10826 | Initech | £ 36,273 | |
| 10827 | Initech Plc | £ 7,929,555 | |
| 10828 | Initial Test | £ 32,245,452 | |
| 10829 | Initiative | £ 149,209,958 | |
| 10830 | Injustice | £ 224,231,007 | |
| 10831 | Ink | £ 47,124,269 | |
| 10832 | Inkatek | £ 1,339,600 | |
| 10833 | Inland Taipan | £ 51,190,069 | |
| 10834 | Inmarsat | £ 74,973,572 | |
| 10835 | Inn of the Last Home | £ 1,403,402 | |
| 10836 | Inner Station | £ 6,596,243 | |
| 10837 | Innie | £ 40,700,177 | |
| 10838 | Innisfree | £ 243,753,959 | |
| 10839 | Innocence | £ 61,612,365 | |
| 10840 | Innocent Enterprise | £ 64,597,451 | |
| 10841 | Innocent Waif Co. | £ 1,079,484 | |
| 10842 | Innovation | £ 52,326,052 | |
| 10843 | Innsbruck | £ 38,394,642 | |
| 10844 | Insane in | £ 43,643,491 | |
| 10845 | Insane In The Membrane | £ 492,420,776 | |
| 10846 | Insane Inc | £ 103,865,323 | |
| 10847 | insanity | £ 5,114,820 | |
| 10848 | Insanity.inc | £ -4,636,568 | |
| 10849 | Insatiability | £ 7,000,282,052 | |
| 10850 | Insect Inferno | £ 4,274,551 | |
| 10851 | insects | £ 40,152,036 | |
| 10852 | Insert Tool Tech | £ 218,766,740 | |
| 10853 | Inside Job | £ 49,747,420 | |
| 10854 | Insidious | £ 4,243,428 | |
| 10855 | Insidious Scams | £ 1,126,522 | |
| 10856 | Insight | £ 4,930,782 | |
| 10857 | Insignia | £ 15,236,269 | |
| 10858 | Insomnia | £ 111,310,354 | |
| 10859 | Insomnia Inc | £ 13,618,559 | |
| 10860 | Insomniac | £ 349,981,951 | |
| 10861 | Insomniacs | £ 74,494,914 | |
| 10862 | Insomniacs Inc | £ 27,056,872 | |
| 10863 | Inspecticide | £ 86,260,352 | |
| 10864 | Inspecticidus | £ 1,179,300 | |
| 10865 | inspection | £ 71,610,568 | |
| 10866 | Inspector Gadget | £ 1,594,722,874 | |
| 10867 | Inspiration | £ 293,268,063 | |
| 10868 | Inspiron | £ 55,842,972 | |
| 10869 | Inssomniak | £ 28,192,775 | |
| 10870 | Insta-threat11 | £ -10,135,618 | |
| 10871 | Instability | £ 6,823,352,819 | |
| 10872 | £ 188,730,522 | ||
| 10873 | Instamatic | £ 5,294,690 | |
| 10874 | Instrument | £ 5,045,464 | |
| 10875 | insubordination | £ 1,375,021,792 | |
| 10876 | Insufficient Amount | £ 115,460,289 | |
| 10877 | Insufficient Storage | £ 58,973,619 | |
| 10878 | Insult to Injury | £ 127,237,921 | |
| 10879 | Insults | £ 555,598,769 | |
| 10880 | Insurance | £ 192,712,894 | |
| 10881 | Insurection | £ 173,310,394 | |
| 10882 | Insurrection | £ 61,411,282 | |
| 10883 | IntArch | £ 4,051,737 | |
| 10884 | Integrated Finance | £ 5,613,209 | |
| 10885 | Integrity | £ 62,272,169 | |
| 10886 | Intel | £ 4,159,306 | |
| 10887 | Intel 8008 | £ 186,959,699 | |
| 10888 | Intel Corperation | £ 5,502,692 | |
| 10889 | Intelaro | £ 4,025,852 | |
| 10890 | INTELECT MID | £ 4,542,979 | |
| 10891 | INTELECT NORTH | £ 3,506,604 | |
| 10892 | INTELECT SOUTH | £ 5,501,704 | |
| 10893 | inteligence | £ 61,895,040 | |
| 10894 | Inteligent | £ 320,833,576 | |
| 10895 | Intellectual Property | £ 331,894,835 | |
| 10896 | Intelligence | £ 1,269,185,751 | |
| 10897 | Intelligence Corp | £ 93,484,595 | |
| 10898 | intelligent conversation | £ 212,620,921 | |
| 10899 | Intelligentsia | £ 20,473,099 | |
| 10900 | Intelligibility | £ 7,019,930,746 | |
