The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12401 | Kestoria Ltd | £ -46,291,520 | |
| 12402 | Kestrel | £ 50,000 | |
| 12403 | Kestrel House | £ 264,880 | |
| 12404 | Kestrel Inc | £ 50,000 | |
| 12405 | Kestrel Inc. | £ 50,000 | |
| 12406 | Ketamine | £ 651,443,399 | |
| 12407 | Ketchup | £ 213,107,165 | |
| 12408 | Kevdog Enterprises | £ 7,233,200 | |
| 12409 | Kevin The Carrot | £ 78,378,105 | |
| 12410 | Key Gen | £ 14,771,565 | |
| 12411 | Key Generator | £ 28,459,422 | |
| 12412 | Key Maker | £ 10,950,216 | |
| 12413 | Keyboard | £ 4,859,456 | |
| 12414 | Keyboard-Slinger Sam | £ 87,267,530 | |
| 12415 | Keyboards R Us | £ 2,999,019 | |
| 12416 | KeyCorp KeyBank | £ 45,265,188 | |
| 12417 | KeydGV21 | £ 1,207,316 | |
| 12418 | KeydGV21 Inc. | £ 50,000 | |
| 12419 | Keylek Inc | £ 162,593,476 | |
| 12420 | Keymaster | £ 210,609,053 | |
| 12421 | Keyper Supreme Ventures | £ 9,975,732 | |
| 12422 | Keys | £ 8,273,288 | |
| 12423 | Keys and Locke | £ 214,372,925 | |
| 12424 | Keys II | £ 8,071,569 | |
| 12425 | Keys III | £ 7,025,136 | |
| 12426 | Keys IV | £ 10,951,215 | |
| 12427 | Keys V | £ 7,267,019 | |
| 12428 | Keys. | £ 1,726,644,144 | |
| 12429 | Keyser Soze | £ 62,886,526 | |
| 12430 | KFC | £ 5,166,940 | |
| 12431 | KFC International | £ 263,952 | |
| 12432 | KFGDILFJVFC | £ 95,752,231 | |
| 12433 | Kfinch inc | £ 291,824 | |
| 12434 | KFMDM | £ 8,090,687,756 | |
| 12435 | Khan | £ 112,943,437 | |
| 12436 | Khaos inc. | £ 5,077,153 | |
| 12437 | Khartoum | £ 11,486,305 | |
| 12438 | Khlav kalash | £ 35,574,065 | |
| 12439 | KHS | £ 93,444,628 | |
| 12440 | Khufu | £ 1,039,173,012 | |
| 12441 | kia | £ 105,347,948 | |
| 12442 | Kick Ass Inc | £ 5,506,550 | |
| 12443 | kick boxing | £ 8,355,951 | |
| 12444 | Kick in da nuts | £ 3,004,464 | |
| 12445 | Kick my ass | £ 105,524,074 | |
| 12446 | Kickapoo Inc. | £ 5,500,291 | |
| 12447 | KickBladeSaMa | £ 6,776,706,577 | |
| 12448 | Kickboxing Pro | £ 24,050,525 | |
| 12449 | Kicraft | £ 64,861 | |
| 12450 | Kid | £ 50,000 | |
| 12451 | Kidders | £ 107,985,605 | |
| 12452 | Kiddie kingdom | £ 56,461,838 | |
| 12453 | Kief | £ 21,157,157 | |
| 12454 | Kief Flower Cannabis | £ 30,134,218 | |
| 12455 | Kieths Kiosk | £ 568,594,249 | |
| 12456 | Kiev | £ 35,139,668 | |
| 12457 | Kievska Rus | £ 97,557,928 | |
| 12458 | KiLaKiLa | £ 2,246,899 | |
| 12459 | Kilchoman | £ 393,041,716 | |
| 12460 | Kildonan | £ 895,658,926 | |
| 12461 | Kilimanjaro | £ 348,429,326 | |
| 12462 | kill u | £ -13,521 | |
| 12463 | Kill Zone | £ 18,761,545 | |
| 12464 | Killa | £ 1,701,602 | |
| 12465 | kiLLas | £ 172,836 | |
| 12466 | Killaz | £ 2,537,902,682 | |
| 12467 | killbill | £ 9,866,089 | |
| 12468 | KillEmOrCureEm | £ -316 | |
| 12469 | Killer | £ -16,537,583 | |
| 12470 | Killer Bassman | £ 1,853,870 | |
| 12471 | killer bees | £ 44,933,062 | |
| 12472 | Killer Clown | £ 2,910,270 | |
| 12473 | killer clowns | £ 50,000 | |
| 12474 | Killer Corp | £ 182,271,492 | |
| 12475 | Killer Corp2 | £ 149,656,935 | |
| 12476 | Killer disco | £ 5,321,058 | |
| 12477 | Killer Inc | £ 5,503,363 | |
| 12478 | Killer Instinct | £ 50,020,768 | |
| 12479 | Killer Instincts | £ 4,605,880 | |
| 12480 | Killer K | £ 5,194,811 | |
| 12481 | Killer Zombies | £ 94,446,188 | |
| 12482 | Killers | £ 5,014,169 | |
| 12483 | Killersnails | £ 119,327,581 | |
| 12484 | Killiecrankie | £ 944,263,068 | |
| 12485 | Killimster | £ 905,938,433 | |
| 12486 | killing animals | £ 69,079,985 | |
| 12487 | KILLING IN THE NAME OF | £ 552,015,604 | |
| 12488 | Killing of Bill | £ 1,154,660 | |
| 12489 | Killuh Tacos | £ 5,503,508 | |
| 12490 | Killuminati | £ 6,615,982 | |
| 12491 | Kilmichael | £ 143,440,019 | |
| 12492 | Kilo Company | £ 1,034,469,561 | |
| 12493 | Kilos | £ 23,589,036 | |
| 12494 | Kiloveenoge | £ 16,382,495 | |
| 12495 | Kilter | £ 570,117,522 | |
| 12496 | Kim Yuna | £ 172,931,624 | |
| 12497 | Kimagure Orange Road | £ 80,725,475 | |
| 12498 | Kimchi | £ 157,249,934 | |
| 12499 | Kimetsu No Yaiba | £ 25,235,152 | |
| 12500 | kimjongun | £ 57,740,470 | |
