The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18601 | under the bridge | £ 83,244,692 | |
| 18602 | Undercarriage inc | £ 8,924,088 | |
| 18603 | Underground | £ 14,619,212 | |
| 18604 | Underscore Underground | £ 6,483,334 | |
| 18605 | Understanding | £ 258,251,036 | |
| 18606 | Undertalk | £ 17,711 | |
| 18607 | Underwear Emporium | £ 68,254,923 | |
| 18608 | Unequivocal Power | £ 119,194,808 | |
| 18609 | Unforeseen Incidents | £ 24,156,555 | |
| 18610 | Unfortunate Events | £ 39,470,573 | |
| 18611 | Ungrateful ltd | £ 203,402,609 | |
| 18612 | UniBomber | £ 78,869,560 | |
| 18613 | unicorn rainbow farts. | £ 94,970,089 | |
| 18614 | unicorns | £ 34,241,693 | |
| 18615 | Unilever | £ 11,212,615 | |
| 18616 | Unimaginable Wealth | £ 1,713,027,549 | |
| 18617 | Uninformed Players | £ 1,549,564 | |
| 18618 | Unintended Consequences | £ 419,585,694 | |
| 18619 | Union Depository | £ 481,043 | |
| 18620 | unique state | £ 5,502,813 | |
| 18621 | UNIT | £ 10,172,688 | |
| 18622 | United Irishmen | £ 21,870,609 | |
| 18623 | united kingdom | £ 11,728,775 | |
| 18624 | United Nations | £ 7,828,573 | |
| 18625 | United States | £ 119,110,455 | |
| 18626 | United States Education | £ 733,211 | |
| 18627 | United States of America | £ 27,418,627 | |
| 18628 | UNITED WORLD | £ 7,387,638 | |
| 18629 | univers | £ 311,111,849 | |
| 18630 | Universal Exports | £ 126,418,183 | |
| 18631 | Universal Society | £ 42,080 | |
| 18632 | Universal Studio | £ 133,197,634 | |
| 18633 | university | £ 44,482,778 | |
| 18634 | Univex | £ 6,299,220 | |
| 18635 | Unknown | £ 322,457 | |
| 18636 | Unknown Targets | £ 55,046,887 | |
| 18637 | Unknowns | £ 188,825,518 | |
| 18638 | unlimited | £ 269,891,467 | |
| 18639 | Unlucky | £ 354,501,593 | |
| 18640 | Unmarked Bills | £ 939,448,656 | |
| 18641 | Unnecessary Violence | £ 38,817,254 | |
| 18642 | unowned | £ 6,390,326 | |
| 18643 | unrban | £ 74,481,197 | |
| 18644 | Unseen University | £ 39,525,264 | |
| 18645 | Until Provoked | £ 63,748,480 | |
| 18646 | Untouchable | £ 1,927,661,175 | |
| 18647 | Unusual Oil | £ -647,511 | |
| 18648 | unwashed socks | £ 53,038,556 | |
| 18649 | Up Miami | £ 58,708,665 | |
| 18650 | Up Ur Ars | £ -117,752 | |
| 18651 | Upon A Time | £ 9,966,788 | |
| 18652 | Ups And Downs | £ 43,065,649 | |
| 18653 | Upstairs | £ 3,509,641 | |
| 18654 | uptheblues | £ 2,657,143 | |
| 18655 | Upyours.org | £ 2,405,714 | |
| 18656 | ur mom | £ -16,959 | |
| 18657 | Ur Useless Existance | £ 13,362,410 | |
| 18658 | Uranus | £ 54,260,353 | |
| 18659 | Urban | £ 3,980,563 | |
| 18660 | Urban Decay | £ 81,775,226 | |
| 18661 | Urban Warfare | £ 6,352,781 | |
| 18662 | UrDestruction | £ 155,736,739 | |
| 18663 | Urgency | £ 133,878,635 | |
| 18664 | urmumshouse | £ 40,309,143 | |
| 18665 | UrNightmare | £ 100,535,940 | |
| 18666 | Ursula | £ 2,507,365 | |
| 18667 | Uruguay | £ 20,112,119 | |
| 18668 | Us All | £ 9,586,950 | |
| 18669 | US drinking age | £ 96,619,012 | |
| 18670 | Us is in the wrong | £ 59,155,406 | |
| 18671 | us marines | £ 59,366,445 | |
| 18672 | US UK OZ EUROPE | £ 178,014,792 | |
| 18673 | usa | £ 35,460,389 | |
| 18674 | Usain Bolt | £ 133,735,358 | |
| 18675 | Use | £ 57,202,659 | |
| 18676 | usedcarshowroom | £ 12,175,667 | |
| 18677 | Useing Scissors | £ 70,500,800 | |
| 18678 | USPS | £ 326,808,721 | |
| 18679 | USS America | £ 525,949,755 | |
| 18680 | USS Enterprise | £ 530,076,179 | |
| 18681 | USS Voyager | £ 1,922,144 | |
| 18682 | Utd | £ 1,538,860 | |
| 18683 | UTF Industries | £ -6,680,402 | |
| 18684 | Utmost Importance | £ 10,423,102 | |
| 18685 | Utopia | £ 587,391,216 | |
| 18686 | Utopia2 | £ 19,520,009 | |
| 18687 | Utopia3 | £ 19,612,004 | |
| 18688 | Utopia4 | £ 92,387,139 | |
| 18689 | Utter Chaos | £ 3,191,939,265 | |
| 18690 | UU 14 | £ 7,867,236 | |
| 18691 | UVB-76 | £ 6,442,326,086 | |
| 18692 | UWS Associates | £ 444,338,603 | |
| 18693 | Uxbridge | £ 4,471,496 | |
| 18694 | uyt | £ 4,799,843 | |
| 18695 | UZGENT | £ 40,610,933 | |
| 18696 | Uzumaki | £ 10,955,098 | |
| 18697 | V 32 V | £ 59,807,574 | |
| 18698 | V Energy | £ 3,804,443 | |
| 18699 | V-Star revolutions | £ 1,106,562 | |
| 18700 | V.E.S Vending | £ 59,646,134 | |
