The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 20501 | ZenGen | £ 24,611,173 | |
| 20502 | ZenMasters | £ 1,784,636 | |
| 20503 | Zeppelin | £ 75,206,331 | |
| 20504 | Zere | £ 1,301 | |
| 20505 | ZerkMan United | £ -104,459 | |
| 20506 | Zero | £ 563,625,795 | |
| 20507 | Zero Cool | £ -6,394 | |
| 20508 | Zero Dark Thirty | £ 104,040,831 | |
| 20509 | Zero Gravitas | £ 1,480,094,878 | |
| 20510 | Zero Limitations | £ 5,506,845 | |
| 20511 | Zero Mercy | £ 2,628,207 | |
| 20512 | Zero Mercy Face Off | £ 1,927,586 | |
| 20513 | Zero Percent | £ 23,710,455 | |
| 20514 | Zero Point | £ 9,084,149 | |
| 20515 | Zero Sum Business | £ 100,728,811 | |
| 20516 | Zerocool | £ 17,903,153 | |
| 20517 | ZEROFKS2GV | £ 38,169,299 | |
| 20518 | Zerox | £ 8,610,246 | |
| 20519 | Zerstorung Bombe | £ 54,866,830 | |
| 20520 | Zeus | £ 5,506,763 | |
| 20521 | Zeus Holdings | £ 7,007,304 | |
| 20522 | zfactory | £ 431,331,730 | |
| 20523 | Zhanapong | £ 1,220,214 | |
| 20524 | Zhang Wu Ji | £ 186,784,306 | |
| 20525 | Zig | £ 315,268,467 | |
| 20526 | Zig Zag | £ 53,669,483 | |
| 20527 | Zig-Zag | £ 97,312,756 | |
| 20528 | ZillaTech | £ 53,299,746 | |
| 20529 | Zillion | £ 5,505,106 | |
| 20530 | Zim | £ 393,213,141 | |
| 20531 | Zimbabwe | £ 5,496,779 | |
| 20532 | zin | £ 163,786,023 | |
| 20533 | zinfandel | £ 69,451,066 | |
| 20534 | Zion | £ 173,136,735 | |
| 20535 | Zipper1162 | £ 637,317 | |
| 20536 | Zippo | £ 465,972,453 | |
| 20537 | zippyzippy | £ -1,956 | |
| 20538 | zisland | £ 102,171,426 | |
| 20539 | zizzzzy | £ 224,926 | |
| 20540 | Zoiburgers | £ 5,820,034 | |
| 20541 | Zoilo | £ 465,436,470 | |
| 20542 | Zolton | £ 643,684 | |
| 20543 | Zombie | £ 224,964,309 | |
| 20544 | Zombie 1 | £ 2,384,473 | |
| 20545 | Zombie Apocalypse inc. | £ 1,616,701 | |
| 20546 | Zombie Killer | £ 83,963,539 | |
| 20547 | ZOMBIE KILLERS | £ 4,963,923 | |
| 20548 | Zombieland | £ 551,026,255 | |
| 20549 | Zombieland187 | £ 122,739,905 | |
| 20550 | ZombielandX | £ 97,188,754 | |
| 20551 | ZombielandXxX | £ 44,216,057 | |
| 20552 | Zombielandz | £ 90,667,872 | |
| 20553 | Zombielandz187 | £ 210,408,255 | |
| 20554 | Zombies | £ 517,853,740 | |
| 20555 | Zomzom | £ 343,495 | |
| 20556 | Zonda F | £ 20,616,887 | |
| 20557 | Zonder Poes | £ 9,303,331 | |
| 20558 | zone | £ 38,628,589 | |
| 20559 | zonk | £ 4,314,519 | |
| 20560 | Zoom | £ 387,337,545 | |
| 20561 | Zoom in | £ 15,752,486 | |
| 20562 | zooqstarr | £ 0 | |
| 20563 | Zorro | £ 27,955,216 | |
| 20564 | Zoso | £ 32,554,466 | |
| 20565 | Zovelo1 | £ 696,027,850 | |
| 20566 | Zovelo2 | £ 478,428,488 | |
| 20567 | Zovelo3 | £ 493,749,074 | |
| 20568 | Zovelo4 | £ 467,299,039 | |
| 20569 | Zovelo5 | £ 123,521,517 | |
| 20570 | Zucca | £ 715,307,127 | |
| 20571 | Zuccmedry Inc | £ 5,729,291 | |
| 20572 | Zulu Company | £ 316,677,025 | |
| 20573 | Zulunightmare | £ 8,412,666 | |
| 20574 | zxc | £ 5,496,075 | |
| 20575 | Zyklon B | £ 90,790,504 | |
| 20576 | Zynga | £ 105,803,602 | |
| 20577 | Zyx | £ 4,301,892 | |
| 20578 | zz1 | £ 461,154,914 | |
| 20579 | ZzZ--Sadness--ZzZ | £ 48,103,973 | |
| 20580 | Zzz. | £ 50,000 | |
| 20581 | ZZZZ | £ 38,491,278 | |
| 20582 | zZzZ Monster | £ 90,472,126 | |
| 20583 | _-_ | £ 128,734,299 | |
| 20584 | _Generic Brand | £ 15,094,573 | |
| 20585 | _Generic Brand_ | £ 18,099,405 | |
| 20586 | _GenericBrand | £ 18,437,149 | |
| 20587 | ________ | £ 192,418,353 | |
