The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 9401 | Knockers | £ 277,273,265 | |
| 9402 | KnowIedge | £ 221,481,152 | |
| 9403 | Knowledge Is Experience | £ 99,121,230 | |
| 9404 | Knowme | £ 50,000 | |
| 9405 | Knuck If You Buck | £ 44,365,134 | |
| 9406 | Knuckels | £ 26,841,839 | |
| 9407 | Knuckles Parlor | £ 23,084 | |
| 9408 | KnyteNet | £ 58,872,618 | |
| 9409 | Kobalos | £ 151,135,988 | |
| 9410 | Kobe Cattle | £ 138,234,180 | |
| 9411 | Kobol | £ 104,355,490 | |
| 9412 | Koca Popovic | £ 140,427,377 | |
| 9413 | Koenigsegg CCXR Trevita | £ 91,581,683 | |
| 9414 | kogarasumaru | £ 597,595 | |
| 9415 | Koh and Oei LLC | £ 100,130,740 | |
| 9416 | Kohark | £ 2,311,482 | |
| 9417 | Kojima Productions | £ 82,248,983 | |
| 9418 | KOKO CHOO | £ 4,172,979 | |
| 9419 | kokoko | £ 50,000 | |
| 9420 | Kolgomov | £ 39,007,764 | |
| 9421 | KollofSkis | £ 78,166,268 | |
| 9422 | kolo | £ 4,674,934 | |
| 9423 | Kolo Mee | £ 34,755,663 | |
| 9424 | Komodo | £ 187,869,778 | |
| 9425 | kompany | £ 1,174,673 | |
| 9426 | Kong | £ 5,283,249 | |
| 9427 | KongBall | £ 565,529 | |
| 9428 | KongZilla | £ 8,550,263,758 | |
| 9429 | Konj | £ 37,112 | |
| 9430 | Konoha | £ 5,505,394 | |
| 9431 | KooDa | £ 463,685,518 | |
| 9432 | Kools | £ 5,083,488 | |
| 9433 | Koooll Katz | £ 204,839,090 | |
| 9434 | Koral Industries | £ 901,411 | |
| 9435 | Korczyk Industries | £ 148,275 | |
| 9436 | Korea | £ 105,036,580 | |
| 9437 | KoRn | £ 114,260,513 | |
| 9438 | Kors | £ 41,000,427 | |
| 9439 | Kota Inc | £ 3,074,772 | |
| 9440 | KOTECHA FAMILY REALTY CO | £ 2,623,066 | |
| 9441 | Kotto Corp | £ 49,972 | |
| 9442 | Kotto Corp 2 | £ -817,713 | |
| 9443 | KOUCH ENT. | £ 1,818 | |
| 9444 | Koza | £ 79,181,828 | |
| 9445 | Kozi | £ 282,049 | |
| 9446 | KP Holdings Corp | £ 101,975,884 | |
| 9447 | KPcorp | £ 467,583,924 | |
| 9448 | KPInc | £ -2,654,507 | |
| 9449 | KPOW | £ 5,963,984 | |
| 9450 | KPP Inc | £ 3,538,705 | |
| 9451 | Kracken | £ 143,253,229 | |
| 9452 | Kraft | £ 6,936,427 | |
| 9453 | Kraken Wakes | £ 149,395,486 | |
| 9454 | Kramer | £ 19,726,502 | |
| 9455 | Kramerica | £ 5,841,932 | |
| 9456 | Kramerica Inc. | £ 82,309,508 | |
| 9457 | KraZe Inc. | £ 2,769,200 | |
| 9458 | Kremmen Inc | £ 2,450,721 | |
| 9459 | KRIS | £ 2,802,010 | |
| 9460 | KrisCorp | £ 8,430,864 | |
| 9461 | Krist | £ 5,874,508 | |
| 9462 | Kristinsson | £ 5,501,849 | |
| 9463 | Kroll | £ 96,657,317 | |
| 9464 | Krondor | £ 1,195,958 | |
| 9465 | Kronenbourg | £ 52,249,419 | |
| 9466 | Kronenburgpark | £ 3,090,886 | |
| 9467 | Krose | £ 50,000 | |
| 9468 | Kruger | £ 297,948 | |
| 9469 | Krull | £ 5,582,690 | |
| 9470 | Krypton | £ 5,501,562 | |
| 9471 | Kryptonite | £ 168,749,703 | |
| 9472 | Krzac | £ 253,455,173 | |
| 9473 | KS Tuning | £ 6,514,883 | |
| 9474 | KS Tyre Serv | £ -619,961 | |
| 9475 | KSHH | £ 54,425,742 | |
| 9476 | ktest2 | £ 4,400,890 | |
| 9477 | ktest3 | £ 11,950,652 | |
| 9478 | ktest4 | £ 1,398,453 | |
| 9479 | ktest5 | £ 741,685 | |
| 9480 | ktest6 | £ 5,363,265 | |
| 9481 | ktest7 | £ 50,000 | |
| 9482 | ktest8 | £ 170,000 | |
| 9483 | Ktulu | £ 256,583,552 | |
| 9484 | Kueh Chap | £ 13,647,415 | |
| 9485 | Kullback and Leibler | £ 780,686 | |
| 9486 | Kululand | £ 27,805,826 | |
| 9487 | Kumba | £ 1,058,108,278 | |
| 9488 | Kumon Enterprises | £ 5,508,614 | |
| 9489 | Kung Fu Co. | £ 50,000 | |
| 9490 | Kung Fu Panda | £ 93,209,184 | |
| 9491 | Kung Pow | £ 87,135,003 | |
| 9492 | Kungfu Panda | £ 56,083,660 | |
| 9493 | Kuredu Island | £ 78,671,516 | |
| 9494 | kuryatnik | £ 52,450,623 | |
| 9495 | kuryatnik2 | £ 27,351,318 | |
| 9496 | Kush | £ 50,000 | |
| 9497 | Kush Lounge | £ 13,698,681 | |
| 9498 | Kwik A Mart | £ 4,184,620 | |
| 9499 | Kwik E Mart | £ 50,000 | |
| 9500 | Kwik EE Mart | £ 50,000 | |
