The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12601 | Knocker.SLickerTOpaZ.LUX | £ 741,082 | |
| 12602 | Knockers | £ 277,273,265 | |
| 12603 | Knotty Ash | £ 94,030,410 | |
| 12604 | KnowIedge | £ 221,481,152 | |
| 12605 | Knowledge | £ 108,163,745 | |
| 12606 | Knowledge Is Experience | £ 99,121,230 | |
| 12607 | Knowme | £ 5,067,029 | |
| 12608 | Knuck If You Buck | £ 182,453,824 | |
| 12609 | Knuckels | £ 26,841,839 | |
| 12610 | Knuckles Parlor | £ 23,084 | |
| 12611 | KnyteNet | £ 58,872,618 | |
| 12612 | Kobalos | £ 151,135,988 | |
| 12613 | Kobe Cattle | £ 381,711,828 | |
| 12614 | Kobol | £ 104,355,490 | |
| 12615 | Koca Popovic | £ 140,427,377 | |
| 12616 | Koenigsegg CCXR Trevita | £ 91,581,683 | |
| 12617 | kogarasumaru | £ 597,595 | |
| 12618 | Koh and Oei LLC | £ 100,130,740 | |
| 12619 | Kohark | £ 2,311,482 | |
| 12620 | Kohden Co | £ 224,217,984 | |
| 12621 | Kojima Productions | £ 82,248,983 | |
| 12622 | Kokiri Forest Ltd. | £ 66,267,078 | |
| 12623 | KOKO CHOO | £ 4,172,979 | |
| 12624 | kokoko | £ 50,000 | |
| 12625 | Kola | £ 64,905,511 | |
| 12626 | KOLenterprise | £ 1,753,282 | |
| 12627 | Kolgomov | £ 45,432,197 | |
| 12628 | Kolkata Knight Riders | £ 125,455,815 | |
| 12629 | KollofSkis | £ 78,166,268 | |
| 12630 | Kolo Mee | £ 34,755,663 | |
| 12631 | Kombat | £ 103,428,734 | |
| 12632 | Komodo | £ 187,869,778 | |
| 12633 | Komodo Dragon | £ 120,420,530 | |
| 12634 | Komohomo | £ 826,658,691 | |
| 12635 | Kong | £ 5,283,249 | |
| 12636 | KongBall | £ 565,529 | |
| 12637 | Kongo Gumi | £ 10,096,353 | |
| 12638 | KongZilla | £ 14,914,390,469 | |
| 12639 | Konman | £ 5,199,580 | |
| 12640 | Konoha | £ 5,505,394 | |
| 12641 | KooDa | £ 1,666,114,648 | |
| 12642 | Kools | £ 5,083,488 | |
| 12643 | Koooll Katz | £ 204,839,090 | |
| 12644 | Koral Industries | £ 901,411 | |
| 12645 | Korczyk Industries | £ 148,275 | |
| 12646 | Korea | £ 105,036,580 | |
| 12647 | Korean Drama | £ 114,805,049 | |
| 12648 | Koridai | £ 3,674,298 | |
| 12649 | KoRn | £ 114,260,513 | |
| 12650 | Kors | £ 41,000,427 | |
| 12651 | Kota Inc | £ 3,074,772 | |
| 12652 | KOTECHA FAMILY REALTY CO | £ 2,623,066 | |
| 12653 | Kotto Corp | £ 49,972 | |
| 12654 | Kotto Corp 2 | £ -817,713 | |
| 12655 | KOUCH ENT. | £ 1,818 | |
| 12656 | Koungs Wantan Mee | £ 168,862,069 | |
| 12657 | Kowloon | £ 252,702,303 | |
| 12658 | Koza | £ 91,589,377 | |
| 12659 | Kozaki Idut | £ 16,444,330 | |
| 12660 | Kozi | £ 282,049 | |
| 12661 | KP Holdings Corp | £ 101,975,884 | |
| 12662 | KPcorp | £ 592,338,447 | |
| 12663 | KPInc | £ -2,654,507 | |
| 12664 | KPOW | £ 5,963,984 | |
| 12665 | KPP Inc | £ 3,538,705 | |
| 12666 | Kraft | £ 6,936,427 | |
| 12667 | Krakatoa | £ 109,434,773 | |
| 12668 | Kraken Wakes | £ 149,467,603 | |
| 12669 | Kramer | £ 19,726,502 | |
| 12670 | Kramerica | £ 5,841,932 | |
| 12671 | Krash | £ 7,576,449 | |
| 12672 | KraZe Inc. | £ 2,769,200 | |
| 12673 | Kremmen Inc | £ 2,450,721 | |
| 12674 | Kriminal | £ 13,588,142 | |
| 12675 | KRIS | £ 2,802,010 | |
| 12676 | KrisCorp | £ 10,197,833 | |
| 12677 | Krist | £ 5,874,508 | |
| 12678 | Kristinsson | £ 5,501,849 | |
| 12679 | Kroll | £ 96,657,317 | |
| 12680 | Krondor | £ 1,195,958 | |
| 12681 | Kronenbourg | £ 109,596,002 | |
| 12682 | Kronenburgpark | £ 3,090,886 | |
| 12683 | Kroning | £ 19,442,525 | |
| 12684 | Krose | £ 50,000 | |
| 12685 | Kruger | £ 297,948 | |
| 12686 | Krull | £ 5,582,690 | |
| 12687 | Krusty the Clown | £ 5,226,290 | |
| 12688 | Krypton | £ 5,501,562 | |
| 12689 | Kryptonite | £ 168,749,703 | |
| 12690 | Krzac | £ 253,455,173 | |
| 12691 | KS Tuning | £ 6,514,883 | |
| 12692 | KS Tyre Serv | £ -619,961 | |
| 12693 | KSHH | £ 54,425,742 | |
| 12694 | Kublai Kahn | £ 85,319,407 | |
| 12695 | Kuchi Kuchi | £ 74,983,682 | |
| 12696 | Kuduro | £ 9,262,254 | |
| 12697 | Kueh Chap | £ 13,647,415 | |
| 12698 | Kueh Lan Jiao | £ -4,992,862 | |
| 12699 | Kullback and Leibler | £ 780,686 | |
| 12700 | Kultek | £ 3,517,910 | |
