The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 9501 | Irrigation Expert Co | £ 39,980,637 | |
| 9502 | Irrigation Expert Co. | £ 22,530,951 | |
| 9503 | Irrigation Expert Co.. | £ 5,502,700 | |
| 9504 | Irrigation Expert Co... | £ 3,943,383 | |
| 9505 | Irrigation Expert Co.... | £ 5,507,560 | |
| 9506 | Iruga | £ 9,864,157 | |
| 9507 | Irun Bru | £ 993,675 | |
| 9508 | is a crowd | £ 1,043,336,631 | |
| 9509 | is awesome | £ 12,296,497 | |
| 9510 | is coming | £ 273,868,529 | |
| 9511 | Is Hott a Lott | £ 1,655,634 | |
| 9512 | Is it Time yet | £ 911,955,935 | |
| 9513 | Is no God | £ 433,518,747 | |
| 9514 | Is not tomorrow | £ 172,017,903 | |
| 9515 | is too great 69 | £ 762,229 | |
| 9516 | Is Useless | £ 120,551,425 | |
| 9517 | Is worth the Chase | £ 112,313,702 | |
| 9518 | isa | £ 66,754,452 | |
| 9519 | isabelle | £ 17,944,384 | |
| 9520 | Isanoob | £ 6,711,431 | |
| 9521 | Isawmyfishdie | £ -23,197 | |
| 9522 | ISHACs Online Time | £ 2,737,300 | |
| 9523 | ISIS | £ 953,987 | |
| 9524 | isitskill | £ 1,879,352 | |
| 9525 | Islay Malt | £ 1,451,127,863 | |
| 9526 | isolation | £ 98,961,735 | |
| 9527 | Isomnitech | £ 4,833,754 | |
| 9528 | Isomnitech2 | £ 3,839,327 | |
| 9529 | Ispep | £ 93,909,371 | |
| 9530 | Israel | £ 416,969,049 | |
| 9531 | Israeli Mossad | £ 459,807,833 | |
| 9532 | Israeli Shabak | £ 406,653,015 | |
| 9533 | iss | £ 1,655,611 | |
| 9534 | Issue | £ 39,390 | |
| 9535 | issues | £ 265,118,150 | |
| 9536 | IsSweet | £ 95,517,466 | |
| 9537 | Istanbul | £ 1,523,529,415 | |
| 9538 | Istari Incorporated | £ 178,082,232 | |
| 9539 | It All | £ 423,487,180 | |
| 9540 | It all Begins | £ 374,834,782 | |
| 9541 | It doesnt even matter | £ 54,317,166 | |
| 9542 | it in peace | £ 424,508,356 | |
| 9543 | IT STARTED IN A LAB | £ 3,737,235 | |
| 9544 | It Was Me | £ 4,689,219 | |
| 9545 | It wasnt me | £ -1,511,969 | |
| 9546 | it you sissy | £ 4,220,115 | |
| 9547 | It. | £ 31,426,274 | |
| 9548 | Italia | £ 11,477,369 | |
| 9549 | Italia 90 | £ 355,531,850 | |
| 9550 | Italia250 | £ 10,218,183 | |
| 9551 | Italia458 | £ 10,954,486 | |
| 9552 | iTALIAN mOB | £ 3,096,865 | |
| 9553 | Italiano Inc | £ 73,757,136 | |
| 9554 | Italy | £ 10,959,839 | |
| 9555 | ItalysGrimReaper | £ 4,607,865 | |
| 9556 | Itaylee | £ 54,472,196 | |
| 9557 | Itch | £ 120,105,241 | |
| 9558 | Itchycoo | £ 19,734,040 | |
| 9559 | itiswhatitis | £ 2,023,294 | |
| 9560 | Its A Madness | £ 96,950,544 | |
| 9561 | Its an illusion | £ 573,172,121 | |
| 9562 | Its Coming Home | £ 62,168,584 | |
| 9563 | Its Easy | £ 2,493,724 | |
| 9564 | Its Gone | £ 69,164,894 | |
| 9565 | its got Electrolytes | £ 181,838,964 | |
| 9566 | Its not me its you | £ 281,438,258 | |
| 9567 | Its on fire | £ 87,080,186 | |
| 9568 | Its only me | £ 9,666,927 | |
| 9569 | its only Netro | £ 597,627,655 | |
| 9570 | Itsameamario | £ 2,621,262 | |
| 9571 | itsameawario | £ 50,000 | |
| 9572 | Iupus | £ 1,660,877 | |
| 9573 | iVan | £ 7,255,795 | |
| 9574 | Ivan The Terrible | £ 39,192,726 | |
| 9575 | iverynbx | £ 1,254,073 | |
| 9576 | ivor beenshafted | £ -1,541,239 | |
| 9577 | Ivor Bigun | £ 180,224,589 | |
| 9578 | IVXX | £ 325,393,506 | |
| 9579 | IvyMoon | £ 18,405,059 | |
| 9580 | Iwant | £ 6,221,305 | |
| 9581 | IWilldie | £ 764,685 | |
| 9582 | Izaura | £ 5,506,894 | |
| 9583 | izzywizzy | £ 154,961,336 | |
| 9584 | I_C_U_P | £ 67,670,948 | |
| 9585 | J LTD | £ 5,383,594 | |
| 9586 | J M Seymour Inc | £ 178,386,723 | |
| 9587 | J R Ewing | £ -3,956,096 | |
| 9588 | J Sparrow and Co | £ 35,988,165 | |
| 9589 | J U P I T E R | £ 214,640 | |
| 9590 | J.K.M. Holdings | £ 340,788 | |
| 9591 | J.P. Morgan and Co. | £ 648,076,098 | |
| 9592 | J2KEnterprises | £ 50,000 | |
| 9593 | J2KEnterprises2 | £ 50,000 | |
| 9594 | J2KEnterprises3 | £ 50,000 | |
| 9595 | J2KEnterprises4 | £ 50,000 | |
| 9596 | jaavar | £ 902,364 | |
| 9597 | Jabbersinthemist | £ 10,958,667 | |
| 9598 | Jack | £ 1,287,181 | |
| 9599 | jack army | £ 10,824,492 | |
| 9600 | jack army1 | £ 40,316,246 | |
