The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12601 | o Hazzard o | £ 8,455,418,855 | |
| 12602 | O re piya | £ 428,337 | |
| 12603 | O.W.C.A | £ 3,181,298 | |
| 12604 | Oahu | £ 41,514,431 | |
| 12605 | Oak Island | £ 150,452,433 | |
| 12606 | Oak Leaf Enterprise | £ 14,945,592 | |
| 12607 | oakford lodge | £ 59,640,561 | |
| 12608 | Oakland | £ 55,582,086 | |
| 12609 | OakWorld Enterprises | £ 15,885,491 | |
| 12610 | Oar | £ 52,411,144 | |
| 12611 | Oasis | £ 107,322,768 | |
| 12612 | Oasis of the Seas | £ 216,020,159 | |
| 12613 | Oats | £ 66,324,070 | |
| 12614 | OB2 | £ 12,755,887 | |
| 12615 | OB3 | £ 14,269,280 | |
| 12616 | OB4 | £ 15,665,305 | |
| 12617 | OB5 | £ 9,012,088 | |
| 12618 | Obama Proposes | £ 2,061,600 | |
| 12619 | Obar Ardair | £ 387,490,277 | |
| 12620 | Obble | £ 466,184,526 | |
| 12621 | obedience | £ 74,994,909 | |
| 12622 | Obese American | £ 161,429,557 | |
| 12623 | Obi-Wan-Kenobi | £ 100,953,209 | |
| 12624 | Object in Motion | £ 106,865,438 | |
| 12625 | Obliterator | £ 5,501,753 | |
| 12626 | Oblivion | £ 75,985,020 | |
| 12627 | Obsolete | £ 55,457,606 | |
| 12628 | Obtuse | £ 14,379,095 | |
| 12629 | Obviously | £ 2,318,576,665 | |
| 12630 | Ocarina of Time | £ -1,574,201 | |
| 12631 | OCB inc | £ 6,320,804 | |
| 12632 | Occasional Tables | £ 5,328,203 | |
| 12633 | Ocean | £ 52,827,866 | |
| 12634 | Ocean Defence | £ 31,419,117 | |
| 12635 | ocean star | £ 3,580,849,318 | |
| 12636 | Oceanic Enterprises | £ -50,808 | |
| 12637 | Oceans 11 | £ 58,500,636 | |
| 12638 | Oceans 12 | £ 10,291,638 | |
| 12639 | Oceans 13 | £ 132,219,759 | |
| 12640 | Oceans Eleven | £ 8,485,684 | |
| 12641 | Ocelot | £ 194,460,230 | |
| 12642 | Och Noooo | £ 1,506,119 | |
| 12643 | Octavian | £ 4,631,188 | |
| 12644 | October 2014 | £ 94,385,046 | |
| 12645 | Octopia | £ 9,626,521 | |
| 12646 | Octopus Garden | £ 4,050,927 | |
| 12647 | Oddjob | £ 16,604,273 | |
| 12648 | Odds on Favorite | £ 74,346,727 | |
| 12649 | Oddysay | £ 2,896,867 | |
| 12650 | Odell | £ 13,714,064 | |
| 12651 | Oden | £ 641,394,649 | |
| 12652 | oden wrath | £ 1,735,842,850 | |
| 12653 | odin | £ 8,811,968 | |
| 12654 | Odin Mafia | £ 8,768,668 | |
| 12655 | Odin the Wanderer | £ 4,687,105 | |
| 12656 | Odo | £ 32,513,900 | |
| 12657 | Odqan | £ 362,689,804 | |
| 12658 | Odyssey | £ 329,493,997 | |
| 12659 | of a black widow | £ 196,069,515 | |
| 12660 | Of a Brutal Empire | £ 36,359,377 | |
| 12661 | of a Solar Empire | £ 46,660,163 | |
| 12662 | Of All Your Land | £ 48,121,892 | |
| 12663 | Of Bomb | £ 5,131,350 | |
| 12664 | of CFC | £ 5,455,120 | |
| 12665 | of Elm Street | £ 49,875 | |
| 12666 | Of Every Position | £ 61,887,884 | |
| 12667 | Of Friday the 13th | £ 50,000 | |
| 12668 | Of Green Bay | £ 7,216,016 | |
| 12669 | of Impendium | £ 349,441 | |
| 12670 | of Long Stockings | £ 16,738,335 | |
| 12671 | Of Minisotta | £ 1,716,607 | |
| 12672 | Of My Label | £ 289,202,974 | |
| 12673 | of of | £ 7,075,463 | |
| 12674 | of of of | £ 4,201,365 | |
| 12675 | of REASON | £ 1,154,429 | |
| 12676 | of RHC | £ 68,042,901 | |
| 12677 | Of Scotland | £ 1,304,795,018 | |
| 12678 | of the devil | £ 27,539,344 | |
| 12679 | of The Hat | £ 5,507,097 | |
| 12680 | of the heap | £ 66,771,581 | |
| 12681 | of the lost | £ 69,257,675 | |
| 12682 | of the monsters | £ 41,126,098 | |
| 12683 | Of The Road | £ 146,979,140 | |
| 12684 | of the runite | £ 4,694,589 | |
| 12685 | Of The UVF | £ 133,321,393 | |
| 12686 | Of the world | £ 2,007,785 | |
| 12687 | Of Time | £ 372,360,923 | |
| 12688 | of. | £ 335,457,109 | |
| 12689 | Ofcom | £ 320,664,180 | |
| 12690 | Off | £ 25,794,080 | |
| 12691 | off it | £ 5,261,275 | |
| 12692 | Offenbach | £ 382,674,581 | |
| 12693 | Offensive Behaviour | £ 496,956,576 | |
| 12694 | office | £ 791,304,127 | |
| 12695 | Offroad Trucker | £ 375,621,826 | |
| 12696 | Offshore | £ 367,643,133 | |
| 12697 | Offshore Accounts | £ 146,109,605 | |
| 12698 | Offshore Cash | £ 60,279,702 | |
| 12699 | og esaelP | £ 4,208,484 | |
| 12700 | ogkush | £ 2,491,394 | |
