The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11101 | Infernal Enterprises | £ 47,207,973 | |
| 11102 | Inferno | £ 13,970,446 | |
| 11103 | Inferno Scorpion | £ 35,686,825 | |
| 11104 | infiltration | £ 289,329,058 | |
| 11105 | infinate | £ 884,198 | |
| 11106 | Infinite Enterprises | £ 64,016,264 | |
| 11107 | Infinite Jewelers | £ 1,581,642 | |
| 11108 | Infinity | £ 169,159,081 | |
| 11109 | Infinity and Beyond | £ 62,631,233 | |
| 11110 | Inflation | £ 115,274,054 | |
| 11111 | inflection | £ 50,000 | |
| 11112 | inflection point | £ 54,344,865 | |
| 11113 | Inflicting Pain | £ 5,371,678,096 | |
| 11114 | Influence | £ 31,119,222 | |
| 11115 | influenza | £ 2,078,668 | |
| 11116 | Information | £ 2,452,790,604 | |
| 11117 | Information Act | £ 21,410,016 | |
| 11118 | Information warfare | £ 113,895,251 | |
| 11119 | Infrastructure | £ 110,207,036 | |
| 11120 | Ingalls | £ 5,969,015 | |
| 11121 | Ingenuity | £ 229,132,507 | |
| 11122 | ingersoll | £ 272,873,593 | |
| 11123 | IngloriousG1 | £ 11,085,920 | |
| 11124 | IngloriousG2 | £ 21,578,348 | |
| 11125 | IngloriousG3 | £ 4,960,556 | |
| 11126 | IngloriousG4 | £ 38,861,336 | |
| 11127 | IngloriousG5 | £ 5,227,616 | |
| 11128 | Inheritance | £ 137,354,160 | |
| 11129 | Inhibitions | £ 15,128,139,988 | |
| 11130 | Iniquity | £ 78,293,918 | |
| 11131 | inishing | £ 1,064,467,186 | |
| 11132 | Initech | £ 36,273 | |
| 11133 | Initech Plc | £ 7,929,555 | |
| 11134 | Initial Test | £ 32,245,452 | |
| 11135 | Initiative | £ 149,209,958 | |
| 11136 | Injustice | £ 224,231,007 | |
| 11137 | Ink | £ 47,124,269 | |
| 11138 | Inkatek | £ 1,339,600 | |
| 11139 | Inland Taipan | £ 123,097,369 | |
| 11140 | Inmarsat | £ 73,323,014 | |
| 11141 | Inn of the Last Home | £ 1,403,402 | |
| 11142 | Inner Breads | £ 32,419,290 | |
| 11143 | Inner Station | £ 6,596,243 | |
| 11144 | Innie | £ 40,700,177 | |
| 11145 | Innisfree | £ 243,753,959 | |
| 11146 | Innocence | £ 61,612,365 | |
| 11147 | Innocent Enterprise | £ 64,597,451 | |
| 11148 | Innocent Waif Co. | £ 1,079,484 | |
| 11149 | Innovation | £ 52,326,052 | |
| 11150 | Innsbruck | £ 38,394,642 | |
| 11151 | Insane in | £ 6,874,953 | |
| 11152 | Insane In The Membrane | £ 492,420,776 | |
| 11153 | Insane Inc | £ 103,865,323 | |
| 11154 | insanity | £ 5,114,820 | |
| 11155 | Insanity.inc | £ -4,636,568 | |
| 11156 | Insatiability | £ 7,000,282,052 | |
| 11157 | Insect Inferno | £ 4,274,551 | |
| 11158 | insects | £ 40,152,036 | |
| 11159 | Insert Tool Tech | £ 218,766,740 | |
| 11160 | Inside Job | £ 49,002,369 | |
| 11161 | Insidious | £ 4,243,428 | |
| 11162 | Insidious Scams | £ 1,126,522 | |
| 11163 | Insight | £ 4,930,782 | |
| 11164 | Insignia | £ 15,236,269 | |
| 11165 | Insomnia | £ 111,310,354 | |
| 11166 | Insomnia Inc | £ 13,618,559 | |
| 11167 | Insomniac | £ 349,981,951 | |
| 11168 | Insomniacs | £ 42,184,884 | |
| 11169 | Insomniacs Inc | £ 27,056,872 | |
| 11170 | Inspecticide | £ 86,260,352 | |
| 11171 | Inspecticidus | £ 1,179,300 | |
| 11172 | inspection | £ 71,610,568 | |
| 11173 | Inspector Gadget | £ 1,594,722,874 | |
| 11174 | Inspiration | £ 293,268,063 | |
| 11175 | Inspiron | £ 55,842,972 | |
| 11176 | Insta-threat11 | £ -10,135,618 | |
| 11177 | Instability | £ 6,823,352,819 | |
| 11178 | £ 188,730,522 | ||
| 11179 | Instamatic | £ 3,998,883 | |
| 11180 | Instrument | £ 5,045,464 | |
| 11181 | insubordination | £ 1,376,802,401 | |
| 11182 | Insufficient Amount | £ 115,460,289 | |
| 11183 | Insufficient Storage | £ 106,611,443 | |
| 11184 | Insult to Injury | £ 123,705,556 | |
| 11185 | Insults | £ 555,598,769 | |
| 11186 | Insurance | £ 192,712,894 | |
| 11187 | Insurection | £ 173,310,394 | |
| 11188 | Insurrection | £ 61,411,282 | |
| 11189 | IntArch | £ 4,051,737 | |
| 11190 | Integrated Finance | £ 5,613,209 | |
| 11191 | Integrity | £ 62,272,169 | |
| 11192 | Intel | £ 4,159,306 | |
| 11193 | Intel 8008 | £ 168,422,056 | |
| 11194 | Intel Corperation | £ 5,502,692 | |
| 11195 | Intelaro | £ 4,025,852 | |
| 11196 | INTELECT MID | £ 4,542,979 | |
| 11197 | INTELECT NORTH | £ 3,506,604 | |
| 11198 | INTELECT SOUTH | £ 5,501,704 | |
| 11199 | inteligence | £ 61,895,040 | |
| 11200 | Inteligent | £ 320,833,576 | |
