The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10401 | Industrial Dimensions | £ 590,355 | |
| 10402 | Industrial Revolution | £ 108,986,404 | |
| 10403 | Industry | £ 4,365,442,703 | |
| 10404 | Indy Ref | £ 2,250,435 | |
| 10405 | Ineedmoney7 | £ 174,382 | |
| 10406 | INEOS | £ 699,264,103 | |
| 10407 | Ineptitude | £ 5,505,908 | |
| 10408 | Inertia | £ 1,948,612,254 | |
| 10409 | Inevitability | £ 15,853,820,150 | |
| 10410 | Inevitably | £ 2,663,278,757 | |
| 10411 | Inexcusability | £ 12,937,286 | |
| 10412 | Infadels | £ 6,898,305 | |
| 10413 | Infallibility | £ 6,974,465,422 | |
| 10414 | Infected Morty | £ 138,660,843 | |
| 10415 | Infection | £ 35,893,504 | |
| 10416 | Inferior | £ 695,265 | |
| 10417 | Inferno | £ 13,970,446 | |
| 10418 | Inferno Scorpion | £ 35,686,825 | |
| 10419 | infiltration | £ 288,829,058 | |
| 10420 | infinate | £ 884,198 | |
| 10421 | Infinite Enterprises | £ 64,016,264 | |
| 10422 | Infinity | £ 169,159,081 | |
| 10423 | Infinity and Beyond | £ 62,631,233 | |
| 10424 | Inflation | £ 115,274,054 | |
| 10425 | inflection point | £ 41,699,700 | |
| 10426 | Inflicting Pain | £ 5,371,678,096 | |
| 10427 | Influence | £ 31,119,222 | |
| 10428 | influenza | £ 2,078,668 | |
| 10429 | Information | £ 2,661,445,531 | |
| 10430 | Information Act | £ 21,410,016 | |
| 10431 | Information warfare | £ 15,529,027 | |
| 10432 | Infrastructure | £ 100,794,990 | |
| 10433 | Ingalls | £ 5,969,015 | |
| 10434 | Ingenuity | £ 229,132,507 | |
| 10435 | ingersoll | £ 272,873,593 | |
| 10436 | IngloriousG1 | £ 11,085,920 | |
| 10437 | IngloriousG2 | £ 21,578,348 | |
| 10438 | IngloriousG3 | £ 4,960,556 | |
| 10439 | IngloriousG4 | £ 38,861,336 | |
| 10440 | IngloriousG5 | £ 5,227,616 | |
| 10441 | Inheritance | £ 137,354,160 | |
| 10442 | Inhibitions | £ 12,829,048,539 | |
| 10443 | Iniquity | £ 114,962,690 | |
| 10444 | inishing | £ 1,064,467,186 | |
| 10445 | Initech | £ 36,273 | |
| 10446 | Initech Plc | £ 33,772 | |
| 10447 | Initial Test | £ 32,245,452 | |
| 10448 | Initiative | £ 149,209,958 | |
| 10449 | Injustice | £ 201,992,754 | |
| 10450 | Ink | £ 47,124,269 | |
| 10451 | Inkatek | £ 1,339,600 | |
| 10452 | Inn of the Last Home | £ 1,403,402 | |
| 10453 | Inner Station | £ 6,596,243 | |
| 10454 | Innie | £ 40,700,177 | |
| 10455 | Innisfree | £ 243,753,959 | |
| 10456 | Innocence | £ 61,612,365 | |
| 10457 | Innocent Enterprise | £ 28,100,405 | |
| 10458 | Innocent Waif Co. | £ 1,079,484 | |
| 10459 | Innovation | £ 52,326,052 | |
| 10460 | Innsbruck | £ 38,394,642 | |
| 10461 | Insane in | £ 31,972,313 | |
| 10462 | Insane In The Membrane | £ 492,420,776 | |
| 10463 | Insane Inc | £ 103,865,323 | |
| 10464 | insanity | £ 5,114,820 | |
| 10465 | Insanity.inc | £ -4,636,568 | |
| 10466 | Insatiability | £ 6,852,782,052 | |
| 10467 | Insect Inferno | £ 4,274,551 | |
| 10468 | insects | £ 40,152,036 | |
| 10469 | Insert Tool Tech | £ 207,767,516 | |
| 10470 | inside | £ 545,418,918 | |
| 10471 | Inside Man | £ 11,085,104 | |
| 10472 | Insight | £ 4,930,782 | |
| 10473 | Insignia | £ 15,236,269 | |
| 10474 | Insomnia | £ 111,310,354 | |
| 10475 | Insomnia Inc | £ 13,618,559 | |
| 10476 | Insomniac | £ 349,981,951 | |
| 10477 | Insomniacs Inc | £ 27,056,872 | |
| 10478 | InsomniaX | £ 10,439,967 | |
| 10479 | Inspecticide | £ 86,260,352 | |
| 10480 | Inspecticidus | £ 1,179,300 | |
| 10481 | inspection | £ 71,610,568 | |
| 10482 | Inspector Gadget | £ 1,608,246,400 | |
| 10483 | Inspiration | £ 293,268,063 | |
| 10484 | Inspired | £ 75,424,987 | |
| 10485 | Inspiron | £ 55,842,972 | |
| 10486 | Insta-threat11 | £ -10,135,618 | |
| 10487 | Instability | £ 6,821,720,217 | |
| 10488 | £ 188,730,522 | ||
| 10489 | Instrument | £ 5,045,464 | |
| 10490 | insubordination | £ 661,322,851 | |
| 10491 | Insufficient Amount | £ 115,460,289 | |
| 10492 | Insufficient Storage | £ 51,908,794 | |
| 10493 | Insult to Injury | £ 133,746,263 | |
| 10494 | Insults | £ 555,598,769 | |
| 10495 | Insurance | £ 192,712,894 | |
| 10496 | Insurection | £ 173,310,394 | |
| 10497 | Insurgency | £ 42,263,108 | |
| 10498 | Insurrection | £ 61,411,282 | |
| 10499 | IntArch | £ 4,051,737 | |
| 10500 | Integrated Finance | £ 5,613,209 | |
