The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11501 | Knowledge Is Experience | £ 99,121,230 | |
| 11502 | Knowme | £ 50,000 | |
| 11503 | Knuck If You Buck | £ 99,659,667 | |
| 11504 | Knuckels | £ 26,841,839 | |
| 11505 | Knuckles Parlor | £ 23,084 | |
| 11506 | KnyteNet | £ 58,872,618 | |
| 11507 | Kobalos | £ 151,135,988 | |
| 11508 | Kobe Cattle | £ 381,728,028 | |
| 11509 | Kobol | £ 104,355,490 | |
| 11510 | Koca Popovic | £ 140,427,377 | |
| 11511 | Koenigsegg CCXR Trevita | £ 91,581,683 | |
| 11512 | kogarasumaru | £ 597,595 | |
| 11513 | Koh and Oei LLC | £ 100,130,740 | |
| 11514 | Kohark | £ 2,311,482 | |
| 11515 | Kohden Co | £ 224,217,984 | |
| 11516 | Kojima Productions | £ 82,248,983 | |
| 11517 | KOKO CHOO | £ 4,172,979 | |
| 11518 | kokoko | £ 50,000 | |
| 11519 | Kola | £ 364,121,935 | |
| 11520 | KOLenterprise | £ 1,753,282 | |
| 11521 | Kolgomov | £ 45,432,197 | |
| 11522 | Kolkata Knight Riders | £ 72,827,487 | |
| 11523 | KollofSkis | £ 78,166,268 | |
| 11524 | Kolo Mee | £ 34,755,663 | |
| 11525 | Kombat | £ 11,642,996 | |
| 11526 | Komodo | £ 187,869,778 | |
| 11527 | Komodo Dragon | £ 120,420,530 | |
| 11528 | Komohomo | £ 826,658,691 | |
| 11529 | Kong | £ 5,283,249 | |
| 11530 | KongBall | £ 565,529 | |
| 11531 | Kongo Gumi | £ 10,096,353 | |
| 11532 | KongZilla | £ 13,629,187,083 | |
| 11533 | Konoha | £ 5,505,394 | |
| 11534 | KooDa | £ 1,533,648,976 | |
| 11535 | Kools | £ 5,083,488 | |
| 11536 | Koooll Katz | £ 204,839,090 | |
| 11537 | Koral Industries | £ 901,411 | |
| 11538 | Korczyk Industries | £ 148,275 | |
| 11539 | Korea | £ 105,036,580 | |
| 11540 | Korean Drama | £ 114,805,049 | |
| 11541 | Koridai | £ 3,674,298 | |
| 11542 | KoRn | £ 114,260,513 | |
| 11543 | Kors | £ 41,000,427 | |
| 11544 | Kota Inc | £ 3,074,772 | |
| 11545 | KOTECHA FAMILY REALTY CO | £ 2,623,066 | |
| 11546 | Kotto Corp | £ 49,972 | |
| 11547 | Kotto Corp 2 | £ -817,713 | |
| 11548 | KOUCH ENT. | £ 1,818 | |
| 11549 | Koungs Wantan Mee | £ 120,707,414 | |
| 11550 | Kowloon | £ 249,868,600 | |
| 11551 | Koza | £ 83,517,578 | |
| 11552 | Kozaki Idut | £ 5,527,490 | |
| 11553 | Kozi | £ 282,049 | |
| 11554 | KP Holdings Corp | £ 101,975,884 | |
| 11555 | KPcorp | £ 573,343,985 | |
| 11556 | KPInc | £ -2,654,507 | |
| 11557 | KPOW | £ 5,963,984 | |
| 11558 | KPP Inc | £ 3,538,705 | |
| 11559 | Kraft | £ 6,936,427 | |
| 11560 | Krakatoa | £ 126,824,094 | |
| 11561 | Kraken Wakes | £ 149,467,603 | |
| 11562 | Kramer | £ 19,726,502 | |
| 11563 | Kramerica | £ 5,841,932 | |
| 11564 | KraZe Inc. | £ 2,769,200 | |
| 11565 | Kremmen Inc | £ 2,450,721 | |
| 11566 | Kriminal | £ 13,588,142 | |
| 11567 | KRIS | £ 2,802,010 | |
| 11568 | KrisCorp | £ 10,197,833 | |
| 11569 | Krist | £ 5,874,508 | |
| 11570 | Kristinsson | £ 5,501,849 | |
| 11571 | Kroll | £ 96,657,317 | |
| 11572 | Krondor | £ 1,195,958 | |
| 11573 | Kronenbourg | £ 109,596,002 | |
| 11574 | Kronenburgpark | £ 3,090,886 | |
| 11575 | Kroning | £ 19,442,525 | |
| 11576 | Krose | £ 50,000 | |
| 11577 | Kruger | £ 297,948 | |
| 11578 | Krull | £ 5,582,690 | |
| 11579 | Krusty the Clown | £ 5,226,290 | |
| 11580 | Krypton | £ 5,501,562 | |
| 11581 | Kryptonite | £ 168,749,703 | |
| 11582 | Krzac | £ 253,455,173 | |
| 11583 | KS Tuning | £ 6,514,883 | |
| 11584 | KS Tyre Serv | £ -619,961 | |
| 11585 | KSHH | £ 54,425,742 | |
| 11586 | ktest1 | £ 11,749,049 | |
| 11587 | ktest6 | £ 11,249,532 | |
| 11588 | Kublai Kahn | £ 73,670,789 | |
| 11589 | Kueh Chap | £ 13,647,415 | |
| 11590 | Kueh Lan Jiao | £ -4,992,862 | |
| 11591 | Kullback and Leibler | £ 780,686 | |
| 11592 | Kultek | £ 3,517,910 | |
| 11593 | Kululand | £ 27,805,826 | |
| 11594 | Kumba | £ 1,058,108,278 | |
| 11595 | Kumon Enterprises | £ 5,508,614 | |
| 11596 | Kung fu | £ 5,504,997 | |
| 11597 | Kung Pow | £ 87,964,566 | |
| 11598 | Kungfu Panda | £ 56,083,660 | |
| 11599 | Kuredu Island | £ 78,671,516 | |
| 11600 | kuryatnik | £ 52,450,623 | |
