The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11201 | Inferior | £ 695,265 | |
| 11202 | Infernal Enterprises | £ 39,358,612 | |
| 11203 | Inferno | £ 13,970,446 | |
| 11204 | Inferno Scorpion | £ 35,686,825 | |
| 11205 | infiltration | £ 289,329,058 | |
| 11206 | infinate | £ 884,198 | |
| 11207 | Infinite Enterprises | £ 64,016,264 | |
| 11208 | Infinite Jewelers | £ 1,581,642 | |
| 11209 | Infinity | £ 169,159,081 | |
| 11210 | Infinity and Beyond | £ 62,631,233 | |
| 11211 | Inflation | £ 115,274,054 | |
| 11212 | inflection | £ 50,000 | |
| 11213 | inflection point | £ 55,634,067 | |
| 11214 | Inflicting Pain | £ 5,371,678,096 | |
| 11215 | Influence | £ 31,119,222 | |
| 11216 | influenza | £ 2,078,668 | |
| 11217 | Information | £ 2,452,790,604 | |
| 11218 | Information Act | £ 21,410,016 | |
| 11219 | Information warfare | £ 113,895,251 | |
| 11220 | Infrastructure | £ 110,207,036 | |
| 11221 | Ingalls | £ 5,969,015 | |
| 11222 | Ingenuity | £ 229,132,507 | |
| 11223 | ingersoll | £ 272,873,593 | |
| 11224 | IngloriousG1 | £ 11,085,920 | |
| 11225 | IngloriousG2 | £ 21,578,348 | |
| 11226 | IngloriousG3 | £ 4,960,556 | |
| 11227 | IngloriousG4 | £ 38,861,336 | |
| 11228 | IngloriousG5 | £ 5,227,616 | |
| 11229 | Inheritance | £ 137,354,160 | |
| 11230 | Inhibitions | £ 15,524,139,988 | |
| 11231 | Iniquity | £ 87,610,914 | |
| 11232 | inishing | £ 1,064,467,186 | |
| 11233 | Initech | £ 36,273 | |
| 11234 | Initech Plc | £ 7,929,555 | |
| 11235 | Initial Test | £ 32,245,452 | |
| 11236 | Initiative | £ 149,209,958 | |
| 11237 | Injustice | £ 224,231,007 | |
| 11238 | Ink | £ 47,124,269 | |
| 11239 | Inkatek | £ 1,339,600 | |
| 11240 | Inland Taipan | £ 123,097,369 | |
| 11241 | Inmarsat | £ 73,065,926 | |
| 11242 | Inn of the Last Home | £ 1,403,402 | |
| 11243 | Inner Breads | £ 57,557,787 | |
| 11244 | Inner Station | £ 6,596,243 | |
| 11245 | Innie | £ 40,700,177 | |
| 11246 | Innisfree | £ 243,753,959 | |
| 11247 | Innocence | £ 61,612,365 | |
| 11248 | Innocent Enterprise | £ 64,597,451 | |
| 11249 | Innocent Waif Co. | £ 1,079,484 | |
| 11250 | Innovation | £ 52,326,052 | |
| 11251 | Innsbruck | £ 38,394,642 | |
| 11252 | Insane in | £ 41,773,697 | |
| 11253 | Insane In The Membrane | £ 492,420,776 | |
| 11254 | Insane Inc | £ 103,865,323 | |
| 11255 | insanity | £ 5,114,820 | |
| 11256 | Insanity.inc | £ -4,636,568 | |
| 11257 | Insatiability | £ 7,000,000,000 | |
| 11258 | Insect Inferno | £ 4,274,551 | |
| 11259 | insects | £ 40,152,036 | |
| 11260 | Insert Tool Tech | £ 218,766,740 | |
| 11261 | Inside Job | £ 49,002,369 | |
| 11262 | Insidious | £ 4,243,428 | |
| 11263 | Insidious Scams | £ 1,126,522 | |
| 11264 | Insight | £ 4,930,782 | |
| 11265 | Insignia | £ 15,236,269 | |
| 11266 | Insomnia | £ 111,310,354 | |
| 11267 | Insomnia Inc | £ 13,618,559 | |
| 11268 | Insomniac | £ 349,981,951 | |
| 11269 | Insomniacs | £ 76,445,293 | |
| 11270 | Insomniacs Inc | £ 27,056,872 | |
| 11271 | Inspecticide | £ 86,260,352 | |
| 11272 | Inspecticidus | £ 1,179,300 | |
| 11273 | inspection | £ 71,610,568 | |
| 11274 | Inspector Gadget | £ 1,594,722,874 | |
| 11275 | Inspiration | £ 293,268,063 | |
| 11276 | Inspiron | £ 55,842,972 | |
| 11277 | Insta-threat11 | £ -10,135,618 | |
| 11278 | Instability | £ 7,000,000,000 | |
| 11279 | £ 188,730,522 | ||
| 11280 | Instamatic | £ 3,998,883 | |
| 11281 | Instrument | £ 5,045,464 | |
| 11282 | insubordination | £ 1,376,802,401 | |
| 11283 | Insufficient Amount | £ 115,460,289 | |
| 11284 | Insufficient Storage | £ 106,611,443 | |
| 11285 | Insult to Injury | £ 131,370,092 | |
| 11286 | Insults | £ 555,598,769 | |
| 11287 | Insurance | £ 192,712,894 | |
| 11288 | Insurection | £ 173,310,394 | |
| 11289 | Insurrection | £ 61,411,282 | |
| 11290 | IntArch | £ 4,051,737 | |
| 11291 | Integrated Finance | £ 5,613,209 | |
| 11292 | Integrity | £ 62,272,169 | |
| 11293 | Intel | £ 4,159,306 | |
| 11294 | Intel 8008 | £ 190,492,822 | |
| 11295 | Intel Corperation | £ 5,502,692 | |
| 11296 | Intelaro | £ 4,025,852 | |
| 11297 | INTELECT MID | £ 4,542,979 | |
| 11298 | INTELECT NORTH | £ 3,506,604 | |
| 11299 | INTELECT SOUTH | £ 5,501,704 | |
| 11300 | inteligence | £ 61,895,040 | |
