The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12501 | Kobalos | £ 151,135,988 | |
| 12502 | Kobe Cattle | £ 381,711,828 | |
| 12503 | Kobol | £ 104,355,490 | |
| 12504 | Koca Popovic | £ 140,427,377 | |
| 12505 | Koenigsegg CCXR Trevita | £ 91,581,683 | |
| 12506 | kogarasumaru | £ 597,595 | |
| 12507 | Koh and Oei LLC | £ 100,130,740 | |
| 12508 | Kohark | £ 2,311,482 | |
| 12509 | Kohden Co | £ 224,217,984 | |
| 12510 | Kojima Productions | £ 82,248,983 | |
| 12511 | Kokiri Forest Ltd. | £ 43,767,078 | |
| 12512 | KOKO CHOO | £ 4,172,979 | |
| 12513 | kokoko | £ 50,000 | |
| 12514 | Kola | £ 63,878,389 | |
| 12515 | KOLenterprise | £ 1,753,282 | |
| 12516 | Kolgomov | £ 45,432,197 | |
| 12517 | Kolkata Knight Riders | £ 119,644,185 | |
| 12518 | KollofSkis | £ 78,166,268 | |
| 12519 | Kolo Mee | £ 34,755,663 | |
| 12520 | Kombat | £ 103,428,734 | |
| 12521 | Komodo | £ 187,869,778 | |
| 12522 | Komodo Dragon | £ 120,420,530 | |
| 12523 | Komohomo | £ 826,658,691 | |
| 12524 | Kong | £ 5,283,249 | |
| 12525 | KongBall | £ 565,529 | |
| 12526 | Kongo Gumi | £ 10,096,353 | |
| 12527 | KongZilla | £ 14,830,788,830 | |
| 12528 | Konman | £ 4,233,406 | |
| 12529 | Konoha | £ 5,505,394 | |
| 12530 | KooDa | £ 1,660,030,910 | |
| 12531 | Kools | £ 5,083,488 | |
| 12532 | Koooll Katz | £ 204,839,090 | |
| 12533 | Koral Industries | £ 901,411 | |
| 12534 | Korczyk Industries | £ 148,275 | |
| 12535 | Korea | £ 105,036,580 | |
| 12536 | Korean Drama | £ 114,805,049 | |
| 12537 | Koridai | £ 3,674,298 | |
| 12538 | KoRn | £ 114,260,513 | |
| 12539 | Kors | £ 41,000,427 | |
| 12540 | Kota Inc | £ 3,074,772 | |
| 12541 | KOTECHA FAMILY REALTY CO | £ 2,623,066 | |
| 12542 | Kotto Corp | £ 49,972 | |
| 12543 | Kotto Corp 2 | £ -817,713 | |
| 12544 | KOUCH ENT. | £ 1,818 | |
| 12545 | Koungs Wantan Mee | £ 168,862,069 | |
| 12546 | Kowloon | £ 255,216,032 | |
| 12547 | Koza | £ 91,589,377 | |
| 12548 | Kozaki Idut | £ 16,444,330 | |
| 12549 | Kozi | £ 282,049 | |
| 12550 | KP Holdings Corp | £ 101,975,884 | |
| 12551 | KPcorp | £ 592,338,447 | |
| 12552 | KPInc | £ -2,654,507 | |
| 12553 | KPOW | £ 5,963,984 | |
| 12554 | KPP Inc | £ 3,538,705 | |
| 12555 | Kraft | £ 6,936,427 | |
| 12556 | Krakatoa | £ 109,434,773 | |
| 12557 | Kraken Wakes | £ 149,467,603 | |
| 12558 | Kramer | £ 19,726,502 | |
| 12559 | Kramerica | £ 5,841,932 | |
| 12560 | Krash | £ 7,576,449 | |
| 12561 | KraZe Inc. | £ 2,769,200 | |
| 12562 | Kremmen Inc | £ 2,450,721 | |
| 12563 | Kriminal | £ 13,588,142 | |
| 12564 | KRIS | £ 2,802,010 | |
| 12565 | KrisCorp | £ 10,197,833 | |
| 12566 | Krist | £ 5,874,508 | |
| 12567 | Kristinsson | £ 5,501,849 | |
| 12568 | Kroll | £ 96,657,317 | |
| 12569 | Krondor | £ 1,195,958 | |
| 12570 | Kronenbourg | £ 109,596,002 | |
| 12571 | Kronenburgpark | £ 3,090,886 | |
| 12572 | Kroning | £ 19,442,525 | |
| 12573 | Krose | £ 50,000 | |
| 12574 | Kruger | £ 297,948 | |
| 12575 | Krull | £ 5,582,690 | |
| 12576 | Krusty the Clown | £ 5,226,290 | |
| 12577 | Krypton | £ 5,501,562 | |
| 12578 | Kryptonite | £ 168,749,703 | |
| 12579 | Krzac | £ 253,455,173 | |
| 12580 | KS Tuning | £ 6,514,883 | |
| 12581 | KS Tyre Serv | £ -619,961 | |
| 12582 | KSHH | £ 54,425,742 | |
| 12583 | Kublai Kahn | £ 85,319,407 | |
| 12584 | Kuchi Kuchi | £ 14,842,624 | |
| 12585 | Kuduro | £ 5,509,761 | |
| 12586 | Kueh Chap | £ 13,647,415 | |
| 12587 | Kueh Lan Jiao | £ -4,992,862 | |
| 12588 | Kullback and Leibler | £ 780,686 | |
| 12589 | Kultek | £ 3,517,910 | |
| 12590 | Kululand | £ 27,805,826 | |
| 12591 | Kumba | £ 1,058,108,278 | |
| 12592 | Kumon Enterprises | £ 5,508,614 | |
| 12593 | Kung fu | £ 10,955,122 | |
| 12594 | Kung Pow | £ 87,964,566 | |
| 12595 | Kungfu Panda | £ 56,083,660 | |
| 12596 | Kupari | £ 138,283,287 | |
| 12597 | Kuredu Island | £ 78,671,516 | |
| 12598 | kuryatnik | £ 52,450,623 | |
| 12599 | kuryatnik2 | £ 27,351,318 | |
| 12600 | Kush | £ 50,000 | |
