The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 8501 | Irish_Eejit | £ 18,195,704 | |
| 8502 | iron | £ 27,511,144 | |
| 8503 | Iron Man | £ 7,871,863 | |
| 8504 | Iron Mike Tyson | £ 153,339,746 | |
| 8505 | Ironic | £ 83,154,977 | |
| 8506 | Ironing bored | £ 60,780,179 | |
| 8507 | IronMan | £ 5,506,372 | |
| 8508 | Ironmann | £ 11,545,377 | |
| 8509 | Ironn | £ 10,832,104 | |
| 8510 | ironstone | £ 49,003,303 | |
| 8511 | Irrationality | £ 771,101,253 | |
| 8512 | Irreplaceable | £ 951,082,938 | |
| 8513 | Irreverentlie | £ 140,222,074 | |
| 8514 | Irrigation Expert Co | £ 39,980,637 | |
| 8515 | Irrigation Expert Co. | £ 22,530,951 | |
| 8516 | Irrigation Expert Co.. | £ 5,502,700 | |
| 8517 | Irrigation Expert Co... | £ 3,943,383 | |
| 8518 | Irrigation Expert Co.... | £ 5,507,560 | |
| 8519 | Iruga | £ 4,969,817 | |
| 8520 | Irun Bru | £ 993,675 | |
| 8521 | is a crowd | £ 1,037,465,966 | |
| 8522 | is awesome | £ 12,296,497 | |
| 8523 | is coming | £ 5,656,862 | |
| 8524 | Is Hott a Lott | £ 1,655,634 | |
| 8525 | Is it Time yet | £ 911,955,935 | |
| 8526 | Is no God | £ 212,335,127 | |
| 8527 | Is Useless | £ 120,551,425 | |
| 8528 | Is worth the Chase | £ 112,313,702 | |
| 8529 | isa | £ 66,754,452 | |
| 8530 | isabelle | £ 17,944,384 | |
| 8531 | Isanoob | £ 6,711,431 | |
| 8532 | Isawmyfishdie | £ -23,197 | |
| 8533 | ISHACs Online Time | £ 2,612,394 | |
| 8534 | ISIS | £ 953,987 | |
| 8535 | isitskill | £ 1,879,352 | |
| 8536 | Islay Malt | £ 1,442,394,908 | |
| 8537 | Isomnitech | £ 4,833,754 | |
| 8538 | Isomnitech2 | £ 3,839,327 | |
| 8539 | Ispep | £ 47,801,292 | |
| 8540 | Israel | £ 342,109,604 | |
| 8541 | Israeli Mossad | £ 459,807,833 | |
| 8542 | Israeli Shabak | £ 406,653,015 | |
| 8543 | iss | £ 1,655,611 | |
| 8544 | Issue | £ 39,390 | |
| 8545 | issues | £ 265,118,150 | |
| 8546 | IsSweet | £ 95,517,466 | |
| 8547 | Istanbul | £ 1,096,248,538 | |
| 8548 | Istari Incorporated | £ 178,082,232 | |
| 8549 | It All | £ 423,487,180 | |
| 8550 | It all Begins | £ 374,834,782 | |
| 8551 | It doesnt even matter | £ 54,317,166 | |
| 8552 | It Was Me | £ 4,689,219 | |
| 8553 | It wasnt me | £ -1,511,969 | |
| 8554 | It. | £ 31,426,274 | |
| 8555 | Italia | £ 6,965,538 | |
| 8556 | Italia250 | £ 10,218,183 | |
| 8557 | Italia458 | £ 10,954,486 | |
| 8558 | iTALIAN mOB | £ 3,096,865 | |
| 8559 | Italiano Inc | £ 73,757,136 | |
| 8560 | Italy | £ 10,959,839 | |
| 8561 | ItalysGrimReaper | £ 4,607,865 | |
| 8562 | Itaylee | £ 54,472,196 | |
| 8563 | Itch | £ 120,105,241 | |
| 8564 | itiswhatitis | £ 2,023,294 | |
| 8565 | Its A Madness | £ 96,950,544 | |
| 8566 | Its an illusion | £ 573,172,121 | |
| 8567 | Its Coming Home | £ 62,168,584 | |
| 8568 | Its Easy | £ 2,493,724 | |
| 8569 | Its Gone | £ 69,164,894 | |
| 8570 | its got Electrolytes | £ 181,838,964 | |
| 8571 | Its on fire | £ 87,080,186 | |
| 8572 | Its only me | £ 9,666,927 | |
| 8573 | Itsameamario | £ 2,621,262 | |
| 8574 | itsameawario | £ 50,000 | |
| 8575 | Iupus | £ 1,660,877 | |
| 8576 | iVan | £ 7,255,795 | |
| 8577 | Ivan The Terrible | £ 61,496,267 | |
| 8578 | iverynbx | £ 29,929,346 | |
| 8579 | ivor beenshafted | £ -1,541,239 | |
| 8580 | Ivor Bigun | £ 180,224,589 | |
| 8581 | IvyMoon | £ 18,405,059 | |
| 8582 | Iwant | £ 6,221,305 | |
| 8583 | IWilldie | £ 764,685 | |
| 8584 | Izaura | £ 5,506,894 | |
| 8585 | I_C_U_P | £ 67,151,980 | |
| 8586 | J LTD | £ 5,383,594 | |
| 8587 | J M Seymour Inc | £ 178,386,723 | |
| 8588 | J R Ewing | £ -3,956,096 | |
| 8589 | J Sparrow and Co | £ 35,988,165 | |
| 8590 | J U P I T E R | £ 214,640 | |
| 8591 | J.K.M. Holdings | £ 340,788 | |
| 8592 | J2KEnterprises | £ 50,000 | |
| 8593 | J2KEnterprises2 | £ 50,000 | |
| 8594 | J2KEnterprises3 | £ 50,000 | |
| 8595 | J2KEnterprises4 | £ 50,000 | |
| 8596 | jaavar | £ 902,364 | |
| 8597 | Jack | £ 1,287,181 | |
| 8598 | jack army | £ 10,824,492 | |
| 8599 | jack army1 | £ 40,316,246 | |
| 8600 | jack army2 | £ 3,766,974 | |
