The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 8401 | Inferno Scorpion | £ 35,686,825 | |
| 8402 | infinate | £ 884,198 | |
| 8403 | Infinite Enterprises | £ 64,016,264 | |
| 8404 | Infinity | £ 169,159,081 | |
| 8405 | Infinity and Beyond | £ 62,631,233 | |
| 8406 | Inflation | £ 115,274,054 | |
| 8407 | Inflicting Pain | £ 5,371,678,096 | |
| 8408 | influenza | £ 2,078,668 | |
| 8409 | Information | £ 2,542,323,654 | |
| 8410 | Information Act | £ 21,410,016 | |
| 8411 | ingagement | £ 5,507,786 | |
| 8412 | Ingalls | £ 5,969,015 | |
| 8413 | Ingenuity | £ 229,132,507 | |
| 8414 | ingersoll | £ 272,873,593 | |
| 8415 | IngloriousG1 | £ 11,146,197 | |
| 8416 | IngloriousG2 | £ 21,578,348 | |
| 8417 | IngloriousG3 | £ 4,960,556 | |
| 8418 | IngloriousG4 | £ 38,861,336 | |
| 8419 | IngloriousG5 | £ 5,227,616 | |
| 8420 | Inheritance | £ 137,354,160 | |
| 8421 | Inhibitions | £ 8,694,876,190 | |
| 8422 | Iniquity | £ 114,962,690 | |
| 8423 | inishing | £ 361,442,943 | |
| 8424 | Initech | £ 36,273 | |
| 8425 | Initial Test | £ 32,245,452 | |
| 8426 | Initiative | £ 149,209,958 | |
| 8427 | Ink | £ 47,124,269 | |
| 8428 | Inkatek | £ 1,339,600 | |
| 8429 | Inle Lake | £ 893,796,890 | |
| 8430 | Inn of the Last Home | £ 1,403,402 | |
| 8431 | Inner Station | £ 6,596,243 | |
| 8432 | Innisfree | £ 199,926,307 | |
| 8433 | Innocence | £ 61,612,365 | |
| 8434 | Innocent Enterprise | £ 28,100,405 | |
| 8435 | Innocent Waif Co. | £ 1,079,484 | |
| 8436 | Innsbruck | £ 38,394,642 | |
| 8437 | Insane In The Membrane | £ 57,847,795 | |
| 8438 | Insane Inc | £ 103,865,323 | |
| 8439 | insanity | £ 5,114,820 | |
| 8440 | Insanity.inc | £ -4,636,568 | |
| 8441 | Insect Inferno | £ 4,274,551 | |
| 8442 | insects | £ 40,152,036 | |
| 8443 | Insert Tool Tech | £ 207,767,516 | |
| 8444 | inside | £ 545,418,918 | |
| 8445 | Inside Man | £ 151,378,878 | |
| 8446 | Insight | £ 4,930,782 | |
| 8447 | Insomnia | £ 111,310,354 | |
| 8448 | Insomnia Inc | £ 13,618,559 | |
| 8449 | Insomniac | £ 327,210,353 | |
| 8450 | Insomniacs Inc | £ 247,889 | |
| 8451 | InsomniaX | £ 55,763,119 | |
| 8452 | Inspecticide | £ 86,260,352 | |
| 8453 | Inspecticidus | £ 1,179,300 | |
| 8454 | Inspiration | £ 58,390,436 | |
| 8455 | Inspired | £ 172,939,387 | |
| 8456 | Inspiron | £ 55,842,972 | |
| 8457 | Insta-threat11 | £ -10,135,618 | |
| 8458 | £ 188,730,522 | ||
| 8459 | Instrument | £ 5,045,464 | |
| 8460 | Insufficient Amount | £ 115,460,289 | |
| 8461 | Insults | £ 555,598,769 | |
| 8462 | Insurance | £ 192,712,894 | |
| 8463 | Insurgency | £ 42,263,108 | |
| 8464 | IntArch | £ 4,051,737 | |
| 8465 | Integrated Finance | £ 5,613,209 | |
| 8466 | Integrity | £ 62,272,169 | |
| 8467 | Intel | £ 4,159,306 | |
| 8468 | Intel Corperation | £ 5,502,692 | |
| 8469 | INTELECT MID | £ 4,542,979 | |
| 8470 | INTELECT NORTH | £ 3,506,604 | |
| 8471 | INTELECT SOUTH | £ 5,501,704 | |
| 8472 | Inteligent | £ 320,833,576 | |
| 8473 | Intelligence | £ 1,269,185,751 | |
| 8474 | intense lines | £ 748,561 | |
| 8475 | Intense Solar | £ 50,000 | |
| 8476 | Intent | £ 208,032,022 | |
| 8477 | Intentions | £ 16,187,793 | |
| 8478 | Inter Ya Dog | £ 53,832,886 | |
| 8479 | Inter Ya Gran | £ 9,894,081 | |
| 8480 | Inter Ya Granny | £ 44,877,387 | |
| 8481 | Inter Ye mam | £ 33,791,306 | |
| 8482 | Intercourse | £ 5,503,657 | |
| 8483 | Interest | £ 257,540,807 | |
| 8484 | Interesting Inc. | £ 115,169,616 | |
| 8485 | Intergalactic Humanoids | £ 138,751,883 | |
| 8486 | Interior Two | £ 8,053,163 | |
| 8487 | Interlaced ent | £ 26,839,614 | |
| 8488 | Interlaced inc | £ 6,609,164 | |
| 8489 | Interlagos | £ 62,187,801 | |
| 8490 | Internal Audit | £ 5,084,223 | |
| 8491 | Internet Chicken | £ 2,964,862 | |
| 8492 | Intestinal Discomfort | £ 56,322,543 | |
| 8493 | Intimacy | £ 305,413,940 | |
| 8494 | Intl Secret Intel Agency | £ 283,843,957 | |
| 8495 | Intothenight | £ 1,845,829 | |
| 8496 | Intrepia | £ 59,115,436 | |
| 8497 | Invaders 2 | £ 33,587,924 | |
| 8498 | Invaders 4 | £ 2,086,777 | |
| 8499 | invalid | £ -9,650,282 | |
| 8500 | Invasion | £ 258,293,233 | |
