The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10101 | Konoha | £ 5,505,394 | |
| 10102 | KooDa | £ 802,184,244 | |
| 10103 | Kools | £ 5,083,488 | |
| 10104 | Koooll Katz | £ 204,839,090 | |
| 10105 | Koral Industries | £ 901,411 | |
| 10106 | Korczyk Industries | £ 148,275 | |
| 10107 | Korea | £ 105,036,580 | |
| 10108 | Korean Drama | £ 102,071,485 | |
| 10109 | KoRn | £ 114,260,513 | |
| 10110 | Kors | £ 41,000,427 | |
| 10111 | Kota Inc | £ 3,074,772 | |
| 10112 | KOTECHA FAMILY REALTY CO | £ 2,623,066 | |
| 10113 | Kotto Corp | £ 49,972 | |
| 10114 | Kotto Corp 2 | £ -817,713 | |
| 10115 | KOUCH ENT. | £ 1,818 | |
| 10116 | Koza | £ 83,517,578 | |
| 10117 | Kozi | £ 282,049 | |
| 10118 | KP Holdings Corp | £ 101,975,884 | |
| 10119 | KPcorp | £ 556,829,202 | |
| 10120 | KPInc | £ -2,654,507 | |
| 10121 | KPOW | £ 5,963,984 | |
| 10122 | KPP Inc | £ 3,538,705 | |
| 10123 | Kracken | £ 143,253,229 | |
| 10124 | Kraft | £ 6,936,427 | |
| 10125 | Kraken Wakes | £ 149,395,486 | |
| 10126 | Kramer | £ 19,726,502 | |
| 10127 | Kramerica | £ 5,841,932 | |
| 10128 | Kramerica Inc. | £ 82,309,508 | |
| 10129 | KraZe Inc. | £ 2,769,200 | |
| 10130 | Kremmen Inc | £ 2,450,721 | |
| 10131 | KRIS | £ 2,802,010 | |
| 10132 | KrisCorp | £ 10,197,833 | |
| 10133 | Krist | £ 5,874,508 | |
| 10134 | Kristinsson | £ 5,501,849 | |
| 10135 | Kroll | £ 96,657,317 | |
| 10136 | Krondor | £ 1,195,958 | |
| 10137 | Kronenbourg | £ 52,249,419 | |
| 10138 | Kronenburgpark | £ 3,090,886 | |
| 10139 | Kroning | £ 19,442,525 | |
| 10140 | Krose | £ 50,000 | |
| 10141 | Kruger | £ 297,948 | |
| 10142 | Krull | £ 5,582,690 | |
| 10143 | Krusty the Clown | £ 4,217,021 | |
| 10144 | Krypton | £ 5,501,562 | |
| 10145 | Kryptonite | £ 168,749,703 | |
| 10146 | Krzac | £ 253,455,173 | |
| 10147 | KS Tuning | £ 6,514,883 | |
| 10148 | KS Tyre Serv | £ -619,961 | |
| 10149 | KSHH | £ 54,425,742 | |
| 10150 | ktest2 | £ 4,480,963 | |
| 10151 | ktest3 | £ 11,950,652 | |
| 10152 | ktest4 | £ 1,398,453 | |
| 10153 | ktest5 | £ 741,685 | |
| 10154 | ktest6 | £ 5,363,265 | |
| 10155 | ktest7 | £ 50,000 | |
| 10156 | ktest8 | £ 170,000 | |
| 10157 | Ktulu | £ 256,583,552 | |
| 10158 | Kueh Chap | £ 13,647,415 | |
| 10159 | Kullback and Leibler | £ 780,686 | |
| 10160 | Kululand | £ 27,805,826 | |
| 10161 | Kumba | £ 1,058,108,278 | |
| 10162 | Kumon Enterprises | £ 5,508,614 | |
| 10163 | Kung Fu Co. | £ 50,000 | |
| 10164 | Kung Fu Mahjong | £ 232,989,962 | |
| 10165 | Kung Fu Panda | £ 300,338,457 | |
| 10166 | Kung Pow | £ 87,135,003 | |
| 10167 | Kungfu Panda | £ 56,083,660 | |
| 10168 | Kuredu Island | £ 78,671,516 | |
| 10169 | kuryatnik | £ 52,450,623 | |
| 10170 | kuryatnik2 | £ 27,351,318 | |
| 10171 | Kush | £ 50,000 | |
| 10172 | Kush Lounge | £ 13,698,681 | |
| 10173 | Kwik A Mart | £ 4,184,620 | |
| 10174 | Kwik E Mart | £ 50,000 | |
| 10175 | Kwik EE Mart | £ 50,000 | |
| 10176 | Kwik EHH Mart | £ 50,000 | |
| 10177 | Kwik-E-Mart | £ 118,344,153 | |
| 10178 | Kwik-E-Mart corp | £ 7,071,596 | |
| 10179 | kwitz quality drywall | £ 9,140,532 | |
| 10180 | Kwonshin | £ 12,465,849 | |
| 10181 | KyivEnterprise | £ 91,811,549 | |
| 10182 | Kylesku | £ 909,648,398 | |
| 10183 | Kymatica | £ 593,061 | |
| 10184 | Kyoj | £ 2,887,332 | |
| 10185 | K_oz4All | £ 27,493,982 | |
| 10186 | L I F E | £ 34,358,907 | |
| 10187 | L O N D O N | £ 59,014,022 | |
| 10188 | L. Logistics | £ 5,503,718 | |
| 10189 | L.A. Confidential | £ 140,012,437 | |
| 10190 | L.Astartes I | £ 46,003,590 | |
| 10191 | L.Astartes II | £ 10,087,449 | |
| 10192 | L.U.M. ENTERPRISE | £ 809,278 | |
| 10193 | L1 Triangle | £ 8,738,209 | |
| 10194 | L3m0N | £ 1,302,859 | |
| 10195 | L4YER CAKE | £ 294,829,501 | |
| 10196 | La Bella Vita | £ 197,919,324 | |
| 10197 | La Bella Vita I | £ 89,447,421 | |
| 10198 | La Bella Vita II | £ 151,267,270 | |
| 10199 | La Boheme | £ 2,891,521,106 | |
| 10200 | La Bomba | £ 664,073 | |
