The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18701 | Uck Limited | £ 5,069,213 | |
| 18702 | Uckham Limited | £ 5,355,912 | |
| 18703 | Uckham Ltd | £ 2,207,965 | |
| 18704 | Udders | £ 19,215,415 | |
| 18705 | UFOs Over Michigan | £ 76,257 | |
| 18706 | Ugh | £ 2,400,366 | |
| 18707 | ugipickle | £ 208,304 | |
| 18708 | ugk industries | £ 50,000 | |
| 18709 | Uglykidjoe | £ 85,018,438 | |
| 18710 | uglykidjoes | £ 2,027,762 | |
| 18711 | Uh-oh | £ 200,138,911 | |
| 18712 | UKIP | £ 101,644,794 | |
| 18713 | Ukraine | £ 106,968,751 | |
| 18714 | UKUS | £ -25,450,113 | |
| 18715 | UKUS IV | £ 4,218,744 | |
| 18716 | UKVI Emmigration | £ 25,495,302 | |
| 18717 | Ukyfgv | £ 3,882,746 | |
| 18718 | ukyfgv01 | £ 34,699,304 | |
| 18719 | ULB | £ 522,744 | |
| 18720 | Uldor | £ 38,852,792 | |
| 18721 | UltiDownloader | £ 50,000 | |
| 18722 | ultimate poker | £ 59,416,513 | |
| 18723 | Ultra | £ 1,475,121 | |
| 18724 | Ultralite | £ 57,475,641 | |
| 18725 | ultraphoenix | £ 47,834,051 | |
| 18726 | Ultron | £ 81,549,169 | |
| 18727 | Ultron 2 | £ 68,236,657 | |
| 18728 | Ultron 3 | £ 79,351,341 | |
| 18729 | Ultron 4 | £ 91,359,037 | |
| 18730 | Ultron 5 | £ 54,564,321 | |
| 18731 | Umbiaishi | £ 6,929,105 | |
| 18732 | Umbrella Corp | £ 140,871,925 | |
| 18733 | Umbrella Corporation | £ 5,461,248 | |
| 18734 | Umbrella Inc | £ 45,632,660 | |
| 18735 | Umbrella Sales | £ 84,903,138 | |
| 18736 | Umbro | £ 62,431,156 | |
| 18737 | Un Aparapita | £ 197,099,011 | |
| 18738 | Un Canillita | £ 1,107,619,967 | |
| 18739 | Un Cholo | £ 519,038,157 | |
| 18740 | Una Cholita | £ 6,101,625,647 | |
| 18741 | Unbelievable Scenes | £ 43,335 | |
| 18742 | Unc1e | £ 143,144 | |
| 18743 | uncle | £ 48,973,553 | |
| 18744 | Uncle Franks Hot Wings | £ 50,000 | |
| 18745 | Uncompromising | £ 47,162,332 | |
| 18746 | Unconscious | £ 19,882,446 | |
| 18747 | UNDEAD | £ 51,745,515 | |
| 18748 | Under | £ 62,369,448 | |
| 18749 | Under the Basement | £ 2,887,572 | |
| 18750 | Under the Bed | £ 360,582,347 | |
| 18751 | under the bridge | £ 83,244,692 | |
| 18752 | Undercarriage inc | £ 8,924,088 | |
| 18753 | Underground | £ 14,619,212 | |
| 18754 | Underscore Underground | £ 6,483,334 | |
| 18755 | Understanding | £ 258,251,036 | |
| 18756 | Undertalk | £ 17,711 | |
| 18757 | Underwear Emporium | £ 68,254,923 | |
| 18758 | Unequivocal Power | £ 119,194,808 | |
| 18759 | Unforeseen Incidents | £ 24,156,555 | |
| 18760 | Unfortunate Events | £ 39,470,573 | |
| 18761 | Ungrateful ltd | £ 203,402,609 | |
| 18762 | Uni Holdings | £ 4,218,874 | |
| 18763 | UniBomber | £ 78,869,560 | |
| 18764 | unicorn rainbow farts. | £ 94,970,089 | |
| 18765 | unicorns | £ 34,241,693 | |
| 18766 | Unilever | £ 11,212,615 | |
| 18767 | Unimaginable Wealth | £ 1,713,027,549 | |
| 18768 | Uninformed Players | £ 1,549,564 | |
| 18769 | Unintended Consequences | £ 427,833,740 | |
| 18770 | Union Depository | £ 481,043 | |
| 18771 | unique state | £ 5,502,813 | |
| 18772 | UNIT | £ 10,172,688 | |
| 18773 | United Irishmen | £ 21,870,609 | |
| 18774 | united kingdom | £ 11,728,775 | |
| 18775 | United Nations | £ 7,828,573 | |
| 18776 | United States | £ 119,110,455 | |
| 18777 | United States Education | £ 733,211 | |
| 18778 | United States of America | £ 27,418,627 | |
| 18779 | UNITED WORLD | £ 7,387,638 | |
| 18780 | univers | £ 311,111,849 | |
| 18781 | Universal Exports | £ 126,418,183 | |
| 18782 | Universal Society | £ 42,080 | |
| 18783 | Universal Studio | £ 133,197,634 | |
| 18784 | university | £ 44,482,778 | |
| 18785 | Univex | £ 6,299,220 | |
| 18786 | Unknown | £ 322,457 | |
| 18787 | Unknown Targets | £ 55,046,887 | |
| 18788 | Unknowns | £ 188,825,518 | |
| 18789 | unlimited | £ 271,406,719 | |
| 18790 | Unlucky | £ 354,501,593 | |
| 18791 | Unmarked Bills | £ 933,565,949 | |
| 18792 | Unnecessary Violence | £ 38,817,254 | |
| 18793 | unowned | £ 6,390,326 | |
| 18794 | unrban | £ 74,481,197 | |
| 18795 | unrevealing | £ 2,711,287 | |
| 18796 | Unseen University | £ 39,525,264 | |
| 18797 | Until Provoked | £ 63,748,480 | |
| 18798 | Untouchable | £ 1,927,661,175 | |
| 18799 | Unusual Oil | £ -647,511 | |
| 18800 | unwashed socks | £ 53,038,556 | |
