The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 8301 | Indiana | £ 874,480 | |
| 8302 | Indianapolis | £ 55,237,667 | |
| 8303 | Indians | £ 5,501,414 | |
| 8304 | Indie Hero Ltd. | £ 21,866 | |
| 8305 | indifference | £ 511,878,472 | |
| 8306 | Indigestion | £ 81,611,870 | |
| 8307 | Indignation | £ 225,809,764 | |
| 8308 | Indigo Moon | £ 69,646,164 | |
| 8309 | Individual | £ 15,381,828 | |
| 8310 | Individualism | £ 305,011,225 | |
| 8311 | Indrid Cold | £ 1,924,439 | |
| 8312 | Industrial Dimensions | £ 590,355 | |
| 8313 | Industrial Revolution | £ 108,986,404 | |
| 8314 | Industry | £ 4,319,464,273 | |
| 8315 | Ineedmoney7 | £ 174,382 | |
| 8316 | Inevitability | £ 52,587,118 | |
| 8317 | Infadels | £ 6,898,305 | |
| 8318 | Infection | £ 35,893,504 | |
| 8319 | Inferior | £ 4,695,265 | |
| 8320 | Inferno | £ 14,020,273 | |
| 8321 | Inferno Scorpion | £ 35,686,825 | |
| 8322 | infinate | £ 884,198 | |
| 8323 | Infinite Enterprises | £ 64,016,264 | |
| 8324 | Infinity | £ 169,159,081 | |
| 8325 | Infinity and Beyond | £ 62,631,233 | |
| 8326 | Inflation | £ 115,274,054 | |
| 8327 | Inflicting Pain | £ 5,371,678,096 | |
| 8328 | influenza | £ 2,078,668 | |
| 8329 | Information | £ 2,542,323,654 | |
| 8330 | Information Act | £ 21,410,016 | |
| 8331 | ingagement | £ 5,507,786 | |
| 8332 | Ingalls | £ 5,969,015 | |
| 8333 | Ingenuity | £ 229,132,507 | |
| 8334 | ingersoll | £ 272,873,593 | |
| 8335 | IngloriousG1 | £ 11,146,197 | |
| 8336 | IngloriousG2 | £ 21,578,348 | |
| 8337 | IngloriousG3 | £ 4,960,556 | |
| 8338 | IngloriousG4 | £ 38,861,336 | |
| 8339 | IngloriousG5 | £ 5,227,616 | |
| 8340 | Inheritance | £ 137,354,160 | |
| 8341 | Inhibitions | £ 8,537,559,566 | |
| 8342 | Iniquity | £ 114,962,690 | |
| 8343 | Initech | £ 36,273 | |
| 8344 | Initial Test | £ 32,245,452 | |
| 8345 | Initiative | £ 149,209,958 | |
| 8346 | Ink | £ 47,124,269 | |
| 8347 | Inkatek | £ 1,339,600 | |
| 8348 | Inle Lake | £ 837,280,250 | |
| 8349 | Inn of the Last Home | £ 1,403,402 | |
| 8350 | Inner Station | £ 6,596,243 | |
| 8351 | Innisfree | £ 190,477,991 | |
| 8352 | Innocence | £ 61,612,365 | |
| 8353 | Innocent Enterprise | £ 28,100,405 | |
| 8354 | Innocent Waif Co. | £ 1,079,484 | |
| 8355 | Innsbruck | £ 38,394,642 | |
| 8356 | Insane Inc | £ 103,865,323 | |
| 8357 | insanity | £ 5,114,820 | |
| 8358 | Insanity.inc | £ -4,636,568 | |
| 8359 | Insect Inferno | £ 4,274,551 | |
| 8360 | insects | £ 40,152,036 | |
| 8361 | Insert Tool Tech | £ 207,767,516 | |
| 8362 | inside | £ 545,418,918 | |
| 8363 | Inside Man | £ 151,378,878 | |
| 8364 | Insight | £ 4,930,782 | |
| 8365 | Insomnia | £ 111,310,354 | |
| 8366 | Insomnia Inc | £ 13,618,559 | |
| 8367 | Insomniac | £ 245,505,820 | |
| 8368 | Insomniacs Inc | £ 247,889 | |
| 8369 | InsomniaX | £ 55,763,119 | |
| 8370 | Inspecticide | £ 86,260,352 | |
| 8371 | Inspecticidus | £ 1,179,300 | |
| 8372 | Inspiration | £ 50,900,300 | |
| 8373 | Inspired | £ 172,939,387 | |
| 8374 | Inspiron | £ 55,842,972 | |
| 8375 | Insta-threat11 | £ -10,135,618 | |
| 8376 | £ 188,730,522 | ||
| 8377 | Instrument | £ 5,045,464 | |
| 8378 | Insufficient Amount | £ 115,460,289 | |
| 8379 | Insults | £ 555,598,769 | |
| 8380 | Insurance | £ 192,712,894 | |
| 8381 | Insurgency | £ 42,263,108 | |
| 8382 | IntArch | £ 4,051,737 | |
| 8383 | Integrated Finance | £ 5,613,209 | |
| 8384 | Integrity | £ 62,272,169 | |
| 8385 | Intel | £ 4,159,306 | |
| 8386 | Intel Corperation | £ 5,502,692 | |
| 8387 | INTELECT MID | £ 4,542,979 | |
| 8388 | INTELECT NORTH | £ 3,506,604 | |
| 8389 | INTELECT SOUTH | £ 5,501,704 | |
| 8390 | Inteligent | £ 320,833,576 | |
| 8391 | Intelligence | £ 1,269,185,751 | |
| 8392 | intense lines | £ 748,561 | |
| 8393 | Intense Solar | £ 50,000 | |
| 8394 | Intent | £ 208,032,022 | |
| 8395 | Intentions | £ 16,187,793 | |
| 8396 | Inter Ya Dog | £ 53,832,886 | |
| 8397 | Inter Ya Gran | £ 9,894,081 | |
| 8398 | Inter Ya Granny | £ 44,877,387 | |
| 8399 | Inter Ye mam | £ 33,791,306 | |
| 8400 | Intercourse | £ 5,503,657 | |
