The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10401 | ICUP Inc | £ -6,219,159 | |
| 10402 | Icy Box | £ 219,109,544 | |
| 10403 | Id Own the Night | £ 78,269,819 | |
| 10404 | Idaho Potato Plant | £ 67,219,237 | |
| 10405 | Idavar | £ 4,015,011 | |
| 10406 | Ideas | £ 109,230,696 | |
| 10407 | ideas again | £ 123,597,726 | |
| 10408 | Ideas And Names | £ 15,498,873 | |
| 10409 | Ideas For Names | £ 196,977,144 | |
| 10410 | Idempotence | £ 510,733,419 | |
| 10411 | Identical | £ 185,937,398 | |
| 10412 | identity | £ 334,954,045 | |
| 10413 | Identity Politics | £ 35,307,673 | |
| 10414 | Ideologies | £ 141,139,009 | |
| 10415 | ideology | £ 368,842,767 | |
| 10416 | iDevices | £ 56,346,879 | |
| 10417 | Idiocee | £ 1,742,667 | |
| 10418 | Idioso | £ 50,000 | |
| 10419 | Idiosyncrasy | £ 3,165,846 | |
| 10420 | idiot | £ 181,454,110 | |
| 10421 | idiot outside | £ 1,367,406 | |
| 10422 | idiots | £ 138,032,734 | |
| 10423 | idk | £ 37,504,072 | |
| 10424 | IDM | £ 7,290,081 | |
| 10425 | IDOLATRY | £ 102,471,634 | |
| 10426 | idontknow | £ 112,149,434 | |
| 10427 | idontknow 2 | £ 15,218,152 | |
| 10428 | Idunno | £ 5,503,228 | |
| 10429 | if theres smoke theres | £ 5,607,219 | |
| 10430 | if you think you can | £ 61,755 | |
| 10431 | Igloo | £ 1,489,141 | |
| 10432 | Igloos Inc. | £ 51,774,515 | |
| 10433 | Ignis Regnante | £ 1,473,718 | |
| 10434 | Ignite | £ 816,524 | |
| 10435 | Ignorance | £ 70,972,718 | |
| 10436 | Igor | £ 187,146,260 | |
| 10437 | iguacu | £ 21,203,760 | |
| 10438 | ihaveasmallwilly | £ 2,446,646 | |
| 10439 | IHFi inc. | £ 50,000 | |
| 10440 | III | £ 586,479 | |
| 10441 | iiiiiiii | £ 5,503,998 | |
| 10442 | IKA 1 | £ 199,431,833 | |
| 10443 | IKA 2 | £ 142,858,615 | |
| 10444 | IKA 3 | £ 212,650,389 | |
| 10445 | IKA 4 | £ 178,837,518 | |
| 10446 | IKA 5 | £ 154,886,408 | |
| 10447 | IKA 6 | £ 163,831,645 | |
| 10448 | IKA 7 | £ 247,612,528 | |
| 10449 | IKA 8 | £ 309,654,445 | |
| 10450 | IKA 9 | £ 97,345,736 | |
| 10451 | Ikea | £ 1,051,614,912 | |
| 10452 | iKillBond | £ 63,470 | |
| 10453 | iKruzie Industries | £ 5,493,855 | |
| 10454 | Ikuzus Motors | £ 1,837,037 | |
| 10455 | ilament | £ 499,793,593 | |
| 10456 | ilisticexpialidocious | £ 61,189,396 | |
| 10457 | Ilium | £ 18,465,425 | |
| 10458 | Ill | £ 89,625,392 | |
| 10459 | Ill be back | £ 75,945,695 | |
| 10460 | ill mug you | £ 6,567,371 | |
| 10461 | ill repute | £ 292,003,037 | |
| 10462 | ill set you free | £ 187,199,961 | |
| 10463 | Ill Will | £ 747,414,808 | |
| 10464 | Illicit Dealings | £ 1,825,722 | |
| 10465 | Illicit drugs | £ 43,147,906 | |
| 10466 | Illicit Expressions | £ 1,122,239 | |
| 10467 | Illicit Materials | £ 1,898,784,893 | |
| 10468 | Illimitability | £ 6,784,905,438 | |
| 10469 | illuminate | £ 1,505,842 | |
| 10470 | Illuminate Inc | £ 39,003,010 | |
| 10471 | Illuminati | £ 2,526,303 | |
| 10472 | Illuminati LLC | £ 176,956,038 | |
| 10473 | ILoveDiamonds | £ 7,918,465 | |
| 10474 | iLoveLa | £ 6,179,894 | |
| 10475 | Im a Celebrity | £ 104,094,859 | |
| 10476 | Im a Doctor | £ 451,609,043 | |
| 10477 | Im a Teapot | £ 102,243,527 | |
| 10478 | Im Confused | £ 12,440,105 | |
| 10479 | IM LATE FOR BUSINESS | £ 6,559,282 | |
| 10480 | im not that creative | £ 5,504,087 | |
| 10481 | Im Sleeping | £ 2,077,574 | |
| 10482 | Im telling on you | £ 67,370,548 | |
| 10483 | Imac | £ 61,600,046 | |
| 10484 | Image corps | £ 75,981 | |
| 10485 | image displays | £ 1,088,606 | |
| 10486 | Imaginary People On Chat | £ 73,168,490 | |
| 10487 | imastabu | £ 5,465,214 | |
| 10488 | IMAX Corporation | £ 651,693,375 | |
| 10489 | imback | £ 104,322 | |
| 10490 | imbackinthegame | £ 719,382 | |
| 10491 | Imjin | £ 37,298,391 | |
| 10492 | Imma Queen | £ 55,518,131 | |
| 10493 | Imma Werewolf | £ 10,852,364 | |
| 10494 | Immortal | £ 37,793,181 | |
| 10495 | Immortal Co. | £ 4,846,068 | |
| 10496 | immortal doom | £ 1,001,682,283 | |
| 10497 | Immortal LTD | £ 1,754,331 | |
| 10498 | Immortal Will | £ 264,599,622 | |
| 10499 | Immortality | £ 193,151,936 | |
| 10500 | Immovable Object | £ 2,129,824,425 | |
