The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18601 | ULB | £ 522,744 | |
| 18602 | Uldor | £ 38,852,792 | |
| 18603 | UltiDownloader | £ 50,000 | |
| 18604 | ultimate poker | £ 59,416,513 | |
| 18605 | Ultra | £ 1,475,121 | |
| 18606 | Ultralite | £ 57,475,641 | |
| 18607 | ultraphoenix | £ 47,834,051 | |
| 18608 | Ultron | £ 81,549,169 | |
| 18609 | Ultron 2 | £ 68,236,657 | |
| 18610 | Ultron 3 | £ 79,351,341 | |
| 18611 | Ultron 4 | £ 91,359,037 | |
| 18612 | Ultron 5 | £ 54,564,321 | |
| 18613 | Umbiaishi | £ 6,929,105 | |
| 18614 | Umbrella Corp | £ 140,871,925 | |
| 18615 | Umbrella Corporation | £ 5,461,248 | |
| 18616 | Umbrella Inc | £ 45,632,660 | |
| 18617 | Umbrella Sales | £ 84,903,138 | |
| 18618 | Umbro | £ 62,431,156 | |
| 18619 | Un Aparapita | £ 197,099,011 | |
| 18620 | Un Canillita | £ 1,107,619,967 | |
| 18621 | Un Cholo | £ 519,038,157 | |
| 18622 | Una Cholita | £ 6,101,625,647 | |
| 18623 | Unbelievable Scenes | £ 43,335 | |
| 18624 | Unc1e | £ 143,144 | |
| 18625 | uncle | £ 48,973,553 | |
| 18626 | Uncle Franks Hot Wings | £ 50,000 | |
| 18627 | Uncompromising | £ 47,162,332 | |
| 18628 | Unconscious | £ 19,882,446 | |
| 18629 | UNDEAD | £ 51,745,515 | |
| 18630 | Under | £ 62,369,448 | |
| 18631 | Under the Basement | £ 2,887,572 | |
| 18632 | Under the Bed | £ 360,582,347 | |
| 18633 | under the bridge | £ 83,244,692 | |
| 18634 | Undercarriage inc | £ 8,924,088 | |
| 18635 | Underground | £ 14,619,212 | |
| 18636 | Underscore Underground | £ 6,483,334 | |
| 18637 | Understanding | £ 258,251,036 | |
| 18638 | Undertalk | £ 17,711 | |
| 18639 | Underwear Emporium | £ 68,254,923 | |
| 18640 | Unequivocal Power | £ 119,194,808 | |
| 18641 | Unforeseen Incidents | £ 24,156,555 | |
| 18642 | Unfortunate Events | £ 39,470,573 | |
| 18643 | Ungrateful ltd | £ 203,402,609 | |
| 18644 | UniBomber | £ 78,869,560 | |
| 18645 | unicorn rainbow farts. | £ 94,970,089 | |
| 18646 | unicorns | £ 34,241,693 | |
| 18647 | Unilever | £ 11,212,615 | |
| 18648 | Unimaginable Wealth | £ 1,713,027,549 | |
| 18649 | Uninformed Players | £ 1,549,564 | |
| 18650 | Unintended Consequences | £ 421,513,469 | |
| 18651 | Union Depository | £ 481,043 | |
| 18652 | unique state | £ 5,502,813 | |
| 18653 | UNIT | £ 10,172,688 | |
| 18654 | United Irishmen | £ 21,870,609 | |
| 18655 | united kingdom | £ 11,728,775 | |
| 18656 | United Nations | £ 7,828,573 | |
| 18657 | United States | £ 119,110,455 | |
| 18658 | United States Education | £ 733,211 | |
| 18659 | United States of America | £ 27,418,627 | |
| 18660 | UNITED WORLD | £ 7,387,638 | |
| 18661 | univers | £ 311,111,849 | |
| 18662 | Universal Exports | £ 126,418,183 | |
| 18663 | Universal Society | £ 42,080 | |
| 18664 | Universal Studio | £ 133,197,634 | |
| 18665 | university | £ 44,482,778 | |
| 18666 | Univex | £ 6,299,220 | |
| 18667 | Unknown | £ 322,457 | |
| 18668 | Unknown Targets | £ 55,046,887 | |
| 18669 | Unknowns | £ 188,825,518 | |
| 18670 | unlimited | £ 269,891,467 | |
| 18671 | Unlucky | £ 354,501,593 | |
| 18672 | Unmarked Bills | £ 936,954,556 | |
| 18673 | Unnecessary Violence | £ 38,817,254 | |
| 18674 | unowned | £ 6,390,326 | |
| 18675 | unrban | £ 74,481,197 | |
| 18676 | Unseen University | £ 39,525,264 | |
| 18677 | Until Provoked | £ 63,748,480 | |
| 18678 | Untouchable | £ 1,927,661,175 | |
| 18679 | Unusual Oil | £ -647,511 | |
| 18680 | unwashed socks | £ 53,038,556 | |
| 18681 | Up Miami | £ 58,708,665 | |
| 18682 | Up Ur Ars | £ -117,752 | |
| 18683 | Upon A Time | £ 9,966,788 | |
| 18684 | Ups And Downs | £ 43,065,649 | |
| 18685 | Upstairs | £ 3,509,641 | |
| 18686 | uptheblues | £ 2,657,143 | |
| 18687 | Upyours.org | £ 2,405,714 | |
| 18688 | ur mom | £ -16,959 | |
| 18689 | Ur Useless Existance | £ 13,362,410 | |
| 18690 | Uranoid | £ 27,204,623 | |
| 18691 | Uranus | £ 54,260,353 | |
| 18692 | Urban | £ 3,980,563 | |
| 18693 | Urban Decay | £ 81,775,226 | |
| 18694 | Urban Warfare | £ 6,352,781 | |
| 18695 | UrDestruction | £ 155,736,739 | |
| 18696 | Urgency | £ 133,878,635 | |
| 18697 | urmumshouse | £ 40,309,143 | |
| 18698 | UrNightmare | £ 100,535,940 | |
| 18699 | Ursula | £ 2,507,365 | |
| 18700 | Uruguay | £ 20,112,119 | |
