The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12301 | Kingdingers | £ 9,060,456 | |
| 12302 | Kingdom of Loathing | £ 376,897,857 | |
| 12303 | Kingdom Of The Blind | £ 1,509,624,589 | |
| 12304 | Kingdon | £ 109,191,184 | |
| 12305 | Kingfisher Ranch | £ 11,993,856 | |
| 12306 | kinghammy | £ 238,534,044 | |
| 12307 | KingK | £ 9,286,337 | |
| 12308 | KingKincs | £ 11,057,992 | |
| 12309 | KingKladze | £ 598,023,095 | |
| 12310 | kingofdogs | £ 44,014 | |
| 12311 | kingpin36 | £ 42,568,359 | |
| 12312 | Kings | £ 377,205,964 | |
| 12313 | kings gambit | £ -3,022,245 | |
| 12314 | kings hammy | £ 1,245,497,728 | |
| 12315 | Kings Of Europe | £ 7,463,312 | |
| 12316 | kings. | £ 1,865,418,837 | |
| 12317 | Kingsman | £ 5,504,904 | |
| 12318 | Kingstar Industries | £ 1,103,285 | |
| 12319 | Kinky | £ 152,682,883 | |
| 12320 | Kintyre | £ 714,748,770 | |
| 12321 | Kippers | £ 183,517,742 | |
| 12322 | Kirazu and Koba | £ 297,052,350 | |
| 12323 | Kirichenko Industries | £ 59,416,432 | |
| 12324 | Kirk | £ 54,142,004 | |
| 12325 | Kirk of Bruin | £ 454,747,011 | |
| 12326 | Kirkland Engineering | £ -84,813 | |
| 12327 | Kirkton House | £ 203,806,305 | |
| 12328 | Kirkwall | £ 2,300,000 | |
| 12329 | Kiroshi | £ 31,489,498 | |
| 12330 | Kisar Holdings | £ 17,255,563 | |
| 12331 | Kiss me | £ 532,617,109 | |
| 12332 | Kissmyass | £ 260,445 | |
| 12333 | kit | £ 484,947,819 | |
| 12334 | Kitchen Nightmares | £ 112,228,519 | |
| 12335 | Kitchenware Etc | £ 56,176,185 | |
| 12336 | Kite | £ 53,013,876 | |
| 12337 | KitKat | £ 905,781,091 | |
| 12338 | Kitsune | £ 159,923,649 | |
| 12339 | Kitsune Den inc. | £ 14,247,726 | |
| 12340 | Kitsune inc. | £ 30,196,492 | |
| 12341 | Kitsunes inc. | £ 12,662,393 | |
| 12342 | kitten | £ 4,772,596 | |
| 12343 | Kitten Corp | £ 29,892 | |
| 12344 | Kittenland | £ 151,599,503 | |
| 12345 | Kittens | £ 52,786,341 | |
| 12346 | Kittens Inc. | £ 4,762,144 | |
| 12347 | Kitty | £ 9,702,796 | |
| 12348 | Kitty Club | £ 4,546,877 | |
| 12349 | Kitty Inferno | £ 7,318,657 | |
| 12350 | Kitty Kat Kartel | £ 786,758 | |
| 12351 | kitty of doom | £ 4,683,600 | |
| 12352 | kjh | £ 5,498,197 | |
| 12353 | KK Corp. | £ 61,068,516 | |
| 12354 | KK Enterprise. | £ 9,419,794 | |
| 12355 | KK Inc. | £ 7,742,877 | |
| 12356 | KK Ltd. | £ 5,255,304 | |
| 12357 | KK Plc. | £ 15,814,157 | |
| 12358 | kkk | £ 8,643,667 | |
| 12359 | kkkk | £ 43,743,212 | |
| 12360 | kkkkk | £ 59,267,014 | |
| 12361 | kkkkkk | £ 5,110,459 | |
| 12362 | kkkkkkk | £ 6,174,488 | |
| 12363 | Klahmosity | £ 5,428,620 | |
| 12364 | Klans | £ 410,764,215 | |
| 12365 | kleenex | £ 15,283,502 | |
| 12366 | Kleo Enterprises | £ 5,410,537 | |
| 12367 | Klimt University | £ 108,252,572 | |
| 12368 | Klingon | £ 20,676,599 | |
| 12369 | Klopp | £ 5,502,624 | |
| 12370 | Kluge Enterprises | £ 73,096,053 | |
| 12371 | Klunge plc | £ 52,713,914 | |
| 12372 | KM42147 | £ 200,760,341 | |
| 12373 | kmackkert | £ 428,257 | |
| 12374 | KMS | £ 50,000 | |
| 12375 | Kneecappers inc. | £ 67,984,581 | |
| 12376 | Knickers | £ 108,516,257 | |
| 12377 | Knife Hill | £ 5,543,349 | |
| 12378 | Knight | £ 52,703,989 | |
| 12379 | Knight Enterprises | £ 113,406,083 | |
| 12380 | Knight Foundation | £ 1,043,672,276 | |
| 12381 | Knight Hawk | £ 90,939,153 | |
| 12382 | Knight Industries | £ 166,244,136 | |
| 12383 | Knight Industries 2000 | £ 95,348,450 | |
| 12384 | Knight Rider | £ 93,623,056 | |
| 12385 | Knightdale | £ 282,177,584 | |
| 12386 | knighthawk international | £ 22,418,601 | |
| 12387 | KnightRider | £ 1,782,171,950 | |
| 12388 | Knights | £ 404,863,270 | |
| 12389 | Knights Cronic | £ 5,412,286 | |
| 12390 | Knights Realm | £ 9,258,593 | |
| 12391 | Knights Security | £ 14,883,563 | |
| 12392 | Knights Templar | £ 169,467,787 | |
| 12393 | Knights who say Ni | £ 4,175,805 | |
| 12394 | KnightsSecurity Mac1 | £ 466,947,486 | |
| 12395 | KnightsSecurityMac2 | £ 39,701,144 | |
| 12396 | KNIVES CORP | £ 50,000 | |
| 12397 | Knnhpp | £ 46,567,726 | |
| 12398 | Knobbley Inc | £ 53,497,856 | |
| 12399 | Knobbley Inc2 | £ 53,029,115 | |
| 12400 | Knobbley Inc3 | £ 35,518,380 | |
