The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18401 | UKIP | £ 101,644,794 | |
| 18402 | Ukraine | £ 106,968,751 | |
| 18403 | UKUS | £ -25,450,113 | |
| 18404 | UKUS IV | £ 4,218,744 | |
| 18405 | UKVI Emmigration | £ 25,495,302 | |
| 18406 | Ukyfgv | £ 3,882,746 | |
| 18407 | ukyfgv01 | £ 34,699,304 | |
| 18408 | ULB | £ 522,744 | |
| 18409 | Uldor | £ 38,852,792 | |
| 18410 | UltiDownloader | £ 50,000 | |
| 18411 | ultimate poker | £ 59,416,513 | |
| 18412 | Ultra | £ 1,475,121 | |
| 18413 | Ultralite | £ 57,475,641 | |
| 18414 | ultraphoenix | £ 47,834,051 | |
| 18415 | Ultron | £ 81,549,169 | |
| 18416 | Ultron 2 | £ 68,236,657 | |
| 18417 | Ultron 3 | £ 79,351,341 | |
| 18418 | Ultron 4 | £ 91,359,037 | |
| 18419 | Ultron 5 | £ 54,564,321 | |
| 18420 | Umbiaishi | £ 6,929,105 | |
| 18421 | Umbrella Corp | £ 140,871,925 | |
| 18422 | Umbrella Corporation | £ 5,461,248 | |
| 18423 | Umbrella Inc | £ 45,632,660 | |
| 18424 | Umbrella Sales | £ 84,903,138 | |
| 18425 | Umbro | £ 62,431,156 | |
| 18426 | Un Aparapita | £ 197,099,011 | |
| 18427 | Un Canillita | £ 1,107,619,967 | |
| 18428 | Un Cholo | £ 519,038,157 | |
| 18429 | Una Cholita | £ 6,071,691,347 | |
| 18430 | Unbelievable Scenes | £ 43,335 | |
| 18431 | Unc1e | £ 143,144 | |
| 18432 | uncle | £ 48,973,553 | |
| 18433 | Uncle Franks Hot Wings | £ 50,000 | |
| 18434 | Uncompromising | £ 47,162,332 | |
| 18435 | Unconscious | £ 19,882,446 | |
| 18436 | UNDEAD | £ 51,745,515 | |
| 18437 | Under | £ 62,369,448 | |
| 18438 | Under the Basement | £ 2,887,572 | |
| 18439 | Under the Bed | £ 360,582,347 | |
| 18440 | under the bridge | £ 83,244,692 | |
| 18441 | Undercarriage inc | £ 8,924,088 | |
| 18442 | Underground | £ 14,619,212 | |
| 18443 | Underscore Underground | £ 6,483,334 | |
| 18444 | Understanding | £ 258,251,036 | |
| 18445 | Undertalk | £ 17,711 | |
| 18446 | Underwear Emporium | £ 68,254,923 | |
| 18447 | Unequivocal Power | £ 119,194,808 | |
| 18448 | Unforeseen Incidents | £ 24,156,555 | |
| 18449 | Unfortunate Events | £ 39,470,573 | |
| 18450 | Ungrateful ltd | £ 203,402,609 | |
| 18451 | UniBomber | £ 78,869,560 | |
| 18452 | unicorn rainbow farts. | £ 94,970,089 | |
| 18453 | unicorns | £ 34,241,693 | |
| 18454 | Unilever | £ 11,212,615 | |
| 18455 | Unimaginable Wealth | £ 1,713,027,549 | |
| 18456 | Uninformed Players | £ 1,549,564 | |
| 18457 | Unintended Consequences | £ 433,940,113 | |
| 18458 | Union Depository | £ 481,043 | |
| 18459 | unique state | £ 5,502,813 | |
| 18460 | UNIT | £ 10,172,688 | |
| 18461 | United Irishmen | £ 21,870,609 | |
| 18462 | united kingdom | £ 11,728,775 | |
| 18463 | United Nations | £ 7,828,573 | |
| 18464 | United States | £ 119,110,455 | |
| 18465 | United States Education | £ 733,211 | |
| 18466 | United States of America | £ 27,418,627 | |
| 18467 | UNITED WORLD | £ 7,387,638 | |
| 18468 | univers | £ 311,111,849 | |
| 18469 | Universal Exports | £ 126,418,183 | |
| 18470 | Universal Society | £ 42,080 | |
| 18471 | Universal Studio | £ 133,197,634 | |
| 18472 | university | £ 44,482,778 | |
| 18473 | Univex | £ 6,299,220 | |
| 18474 | Unknown | £ 322,457 | |
| 18475 | Unknown Targets | £ 55,046,887 | |
| 18476 | Unknowns | £ 188,825,518 | |
| 18477 | unlimited | £ 234,475,762 | |
| 18478 | Unlucky | £ 354,501,593 | |
| 18479 | Unmarked Bills | £ 928,951,748 | |
| 18480 | Unnecessary Violence | £ 38,817,254 | |
| 18481 | unowned | £ 6,390,326 | |
| 18482 | unrban | £ 74,481,197 | |
| 18483 | Unseen University | £ 39,525,264 | |
| 18484 | Until Provoked | £ 63,748,480 | |
| 18485 | Untouchable | £ 1,935,790,665 | |
| 18486 | Unusual Oil | £ -647,511 | |
| 18487 | unwashed socks | £ 53,038,556 | |
| 18488 | Up Miami | £ 58,708,665 | |
| 18489 | Up Ur Ars | £ -117,752 | |
| 18490 | Upon A Time | £ 9,966,788 | |
| 18491 | Ups And Downs | £ 43,065,649 | |
| 18492 | Upstairs | £ 3,509,641 | |
| 18493 | uptheblues | £ 2,657,143 | |
| 18494 | Upyours.org | £ 2,405,714 | |
| 18495 | ur mom | £ -16,959 | |
| 18496 | Ur Useless Existance | £ 13,362,410 | |
| 18497 | Uranus | £ 54,260,353 | |
| 18498 | Urban | £ 3,980,563 | |
| 18499 | Urban Decay | £ 78,775,226 | |
| 18500 | Urban Warfare | £ 6,352,781 | |
