The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10001 | Infadels | £ 6,898,305 | |
| 10002 | Infallibility | £ 6,988,221,669 | |
| 10003 | Infected Morty | £ 21,500,159 | |
| 10004 | Infection | £ 35,893,504 | |
| 10005 | Inferior | £ 695,265 | |
| 10006 | Inferno | £ 13,970,446 | |
| 10007 | Inferno Scorpion | £ 35,686,825 | |
| 10008 | infiltration | £ 289,329,058 | |
| 10009 | infinate | £ 884,198 | |
| 10010 | Infinite Enterprises | £ 64,016,264 | |
| 10011 | Infinity | £ 169,159,081 | |
| 10012 | Infinity and Beyond | £ 62,631,233 | |
| 10013 | Inflation | £ 115,274,054 | |
| 10014 | inflection point | £ 51,918,848 | |
| 10015 | Inflicting Pain | £ 5,371,678,096 | |
| 10016 | Influence | £ 31,119,222 | |
| 10017 | influenza | £ 2,078,668 | |
| 10018 | Information | £ 2,452,790,604 | |
| 10019 | Information Act | £ 21,410,016 | |
| 10020 | Information warfare | £ 62,794,849 | |
| 10021 | Infrastructure | £ 96,488,002 | |
| 10022 | Ingalls | £ 5,969,015 | |
| 10023 | Ingenuity | £ 229,132,507 | |
| 10024 | ingersoll | £ 272,873,593 | |
| 10025 | IngloriousG1 | £ 11,085,920 | |
| 10026 | IngloriousG2 | £ 21,578,348 | |
| 10027 | IngloriousG3 | £ 4,960,556 | |
| 10028 | IngloriousG4 | £ 38,861,336 | |
| 10029 | IngloriousG5 | £ 5,227,616 | |
| 10030 | Inheritance | £ 137,354,160 | |
| 10031 | Inhibitions | £ 13,618,345,288 | |
| 10032 | inishing | £ 1,064,467,186 | |
| 10033 | Initech | £ 36,273 | |
| 10034 | Initech Plc | £ 33,772 | |
| 10035 | Initial Test | £ 32,245,452 | |
| 10036 | Initiative | £ 149,209,958 | |
| 10037 | Injustice | £ 272,287,388 | |
| 10038 | Ink | £ 47,124,269 | |
| 10039 | Inkatek | £ 1,339,600 | |
| 10040 | Inmarsat | £ 74,275,661 | |
| 10041 | Inn of the Last Home | £ 1,403,402 | |
| 10042 | Inner Light | £ 12,896,668 | |
| 10043 | Inner Station | £ 6,596,243 | |
| 10044 | Innie | £ 40,700,177 | |
| 10045 | Innisfree | £ 243,753,959 | |
| 10046 | Innocence | £ 61,612,365 | |
| 10047 | Innocent | £ 43,792,249 | |
| 10048 | Innocent Enterprise | £ 64,597,451 | |
| 10049 | Innocent Waif Co. | £ 1,079,484 | |
| 10050 | Innovation | £ 52,326,052 | |
| 10051 | Innsbruck | £ 38,394,642 | |
| 10052 | Insane in | £ 44,141,915 | |
| 10053 | Insane In The Membrane | £ 492,420,776 | |
| 10054 | Insane Inc | £ 103,865,323 | |
| 10055 | insanity | £ 5,114,820 | |
| 10056 | Insanity.inc | £ -4,636,568 | |
| 10057 | Insatiability | £ 6,854,282,052 | |
| 10058 | Insect Inferno | £ 4,274,551 | |
| 10059 | insects | £ 40,152,036 | |
| 10060 | Insert Tool Tech | £ 218,766,740 | |
| 10061 | Insidious | £ 4,243,428 | |
| 10062 | Insight | £ 4,930,782 | |
| 10063 | Insignia | £ 15,236,269 | |
| 10064 | Insomnia | £ 111,310,354 | |
| 10065 | Insomnia Inc | £ 13,618,559 | |
| 10066 | Insomniac | £ 349,981,951 | |
| 10067 | Insomniacs Inc | £ 27,056,872 | |
| 10068 | Inspecticide | £ 86,260,352 | |
| 10069 | Inspecticidus | £ 1,179,300 | |
| 10070 | inspection | £ 71,610,568 | |
| 10071 | Inspector Gadget | £ 1,608,910,766 | |
| 10072 | Inspiration | £ 293,268,063 | |
| 10073 | Inspiron | £ 55,842,972 | |
| 10074 | Insta-threat11 | £ -10,135,618 | |
| 10075 | Instability | £ 6,823,220,217 | |
| 10076 | £ 188,730,522 | ||
| 10077 | Instrument | £ 5,045,464 | |
| 10078 | insubordination | £ 1,176,742,904 | |
| 10079 | Insufficient Amount | £ 115,460,289 | |
| 10080 | Insufficient Storage | £ 39,820,895 | |
| 10081 | Insult to Injury | £ 135,882,359 | |
| 10082 | Insults | £ 555,598,769 | |
| 10083 | Insurance | £ 192,712,894 | |
| 10084 | Insurection | £ 173,310,394 | |
| 10085 | Insurrection | £ 61,411,282 | |
| 10086 | IntArch | £ 4,051,737 | |
| 10087 | Integrated Finance | £ 5,613,209 | |
| 10088 | Integrity | £ 62,272,169 | |
| 10089 | Intel | £ 4,159,306 | |
| 10090 | Intel 8008 | £ 129,140,617 | |
| 10091 | Intel Corperation | £ 5,502,692 | |
| 10092 | INTELECT MID | £ 4,542,979 | |
| 10093 | INTELECT NORTH | £ 3,506,604 | |
| 10094 | INTELECT SOUTH | £ 5,501,704 | |
| 10095 | inteligence | £ 47,129,369 | |
| 10096 | Inteligent | £ 320,833,576 | |
| 10097 | Intellectual Property | £ 271,925,824 | |
| 10098 | Intelligence | £ 1,269,185,751 | |
| 10099 | Intelligence Corp | £ 51,868,486 | |
| 10100 | Intelligentsia | £ 5,507,721 | |
