The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 14501 | Omni Consumer Products | £ 32,296,370 | |
| 14502 | Omni Future Corp 1 | £ 855,512,970 | |
| 14503 | omni4 | £ 1,185,151 | |
| 14504 | Omnia | £ 29,796,207 | |
| 14505 | OmniCorp | £ 5,503,691 | |
| 14506 | Omnifarious | £ 2,360,838,488 | |
| 14507 | Omnificent | £ 2,321,277,749 | |
| 14508 | Omnipotent | £ 2,218,375,349 | |
| 14509 | Omnipresent | £ 2,257,248,277 | |
| 14510 | Omniscient | £ 2,499,443,150 | |
| 14511 | Omnitool | £ 4,640,506 | |
| 14512 | on a stick | £ 13,410 | |
| 14513 | On Industries | £ 1,896,074 | |
| 14514 | On It | £ 59,533,659 | |
| 14515 | On My Mind | £ 87,748,385 | |
| 14516 | ON PATCHWERK | £ 399,366,790 | |
| 14517 | On Patrol | £ 5,505,639 | |
| 14518 | On The Fritz | £ 79,242,996 | |
| 14519 | On the move | £ 144,453,102 | |
| 14520 | on the road | £ 405,722,546 | |
| 14521 | on yourself | £ 126,998,452 | |
| 14522 | once | £ -263,290 | |
| 14523 | Once Upon a Time | £ 24,760,937 | |
| 14524 | Once Were Warriors | £ 54,754,263 | |
| 14525 | one | £ 341,379,992 | |
| 14526 | One and a Half | £ 8,610,014,000 | |
| 14527 | One Company | £ 398,709,264 | |
| 14528 | one dollar company | £ 40,885,349 | |
| 14529 | One Enterprise | £ 5,940,523 | |
| 14530 | One Eye Morty | £ 8,485,424 | |
| 14531 | One Eyed Three Leg Dog | £ 63,605,247 | |
| 14532 | One gun | £ 1,381,284,458 | |
| 14533 | One Hit Wonder | £ 30,087,678 | |
| 14534 | One Hundred Associates | £ 5,505,937 | |
| 14535 | One Hundred Netro Bucks | £ 132,828,467 | |
| 14536 | One Insane Rastaman | £ 273,250,880 | |
| 14537 | one love | £ 3,838,898 | |
| 14538 | one man crying | £ 1,050,939,923 | |
| 14539 | One Mind | £ -5,139,455 | |
| 14540 | one of craze | £ 398,067,001 | |
| 14541 | One Piece | £ 11,282,781 | |
| 14542 | One Pound Fish | £ 1,584,921 | |
| 14543 | One Shot | £ 123,851,456 | |
| 14544 | One Silence | £ -4,074 | |
| 14545 | One to Many. | £ 4,976,234 | |
| 14546 | one too many pints | £ 10,961,024 | |
| 14547 | One United | £ 5,379,005 | |
| 14548 | one1 | £ 1,930,995 | |
| 14549 | OneHATE | £ 44,523,072 | |
| 14550 | Onenos | £ 429,005,828 | |
| 14551 | oneone | £ 18,206,569 | |
| 14552 | Oner | £ 10,516,756 | |
| 14553 | OneStopEnvelopeShoppe | £ -38,952 | |
| 14554 | Onioninc | £ -43,613 | |
| 14555 | Onions | £ 56,031,337 | |
| 14556 | ONLINE GAMES | £ 120,242,830 | |
| 14557 | Only 50k | £ 6,653,886 | |
| 14558 | Only Bombs Allowed | £ 57,741,277 | |
| 14559 | Only Fools and Horses | £ 859,719,219 | |
| 14560 | only me | £ 50,000 | |
| 14561 | only me inc | £ 133,078,068 | |
| 14562 | OnlyFans | £ 912,371 | |
| 14563 | Onomatopoeias | £ 939,660 | |
| 14564 | Onshore Money | £ 104,918,400 | |
| 14565 | Ontara | £ 79,736,570 | |
| 14566 | Ontario | £ 159,783,223 | |
| 14567 | ontheblock | £ 6,402,837 | |
| 14568 | Onyx | £ 429,592 | |
| 14569 | OO7 | £ 20,313,869 | |
| 14570 | Ooglaigh na Heireann | £ 240,713,877 | |
| 14571 | oohyeaa | £ 50,844,745 | |
| 14572 | Oolacile-01 | £ 3,643,194 | |
| 14573 | oOoOo | £ 39,217,124 | |
| 14574 | oooooo | £ 5,505,528 | |
| 14575 | OOOoooOOO | £ 614,697 | |
| 14576 | oooPPPooo | £ -53,065 | |
| 14577 | oops | £ 965,477 | |
| 14578 | ooz | £ 320,966,832 | |
| 14579 | Opal Opal | £ 5,502,194 | |
| 14580 | Opec | £ 1,520,677,165 | |
| 14581 | Opel Dire | £ 5,505,993 | |
| 14582 | OpEn FoR BuIsNeSs | £ 5,785,269 | |
| 14583 | Opera House | £ 123,137,933 | |
| 14584 | OPERATION SEALION | £ 10,353,786 | |
| 14585 | OPERATION SEALION 2 | £ 5,504,218 | |
| 14586 | Ophthalmology | £ 45,575,639 | |
| 14587 | Opinion | £ 389,953,431 | |
| 14588 | OPiuM | £ 115,856,941 | |
| 14589 | Oppa Gangnam Style | £ 65,242,420 | |
| 14590 | Oppenheim | £ 51,959,450 | |
| 14591 | Oppenheimer | £ 1,424,302 | |
| 14592 | Oppertunity | £ 512,316,834 | |
| 14593 | Opportunity | £ 11,354,079 | |
| 14594 | Opposition | £ 761,831,311 | |
| 14595 | Oppression | £ 416,055,267 | |
| 14596 | OpRedStripe | £ 39,676,062 | |
| 14597 | optical | £ 491,833,848 | |
| 14598 | optics | £ 57,286,889 | |
| 14599 | Optimal Flames | £ 172,997,462 | |
| 14600 | Optimum Nutrition | £ -3,018,246 | |
