The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12601 | Orchids R Us Ltd | £ 39,331,588 | |
| 12602 | orcs | £ 2,521,634,731 | |
| 12603 | Orcustra | £ 702,800 | |
| 12604 | Order | £ 176,233,665 | |
| 12605 | Oregon | £ 111,775,168 | |
| 12606 | OREO | £ 64,657,012 | |
| 12607 | Org | £ 18,286,924 | |
| 12608 | Organic Beaver | £ 48,683,222 | |
| 12609 | Organics Ltd | £ 105,054,559 | |
| 12610 | Organised Crime | £ 17,216,443 | |
| 12611 | Organized Crime | £ 62,808,878 | |
| 12612 | Orgia Co. | £ 4,887,593 | |
| 12613 | Orgy | £ 4,311,652,261 | |
| 12614 | Origin yartley | £ 37,041,694 | |
| 12615 | Original 16 | £ 132,618,089 | |
| 12616 | Original Sin | £ 141,442,446 | |
| 12617 | Originality | £ 1,357,128,017 | |
| 12618 | Origins | £ 63,035,912 | |
| 12619 | Orion | £ 47,648,728 | |
| 12620 | orm | £ 413,783,803 | |
| 12621 | orming | £ 103,941,211 | |
| 12622 | OronzoMafia | £ 560,700 | |
| 12623 | Orphans Court | £ 18,754,403 | |
| 12624 | Orphic Co. | £ 4,423,125 | |
| 12625 | Orquinox Co. | £ 1,119 | |
| 12626 | Orricks IT Services | £ 15,082,611 | |
| 12627 | Ortcaj | £ 77,296,813 | |
| 12628 | Orthanc Inc. | £ 147,448,563 | |
| 12629 | Osaka | £ 5,504,057 | |
| 12630 | Osakin | £ 6,161,131 | |
| 12631 | osca-websites | £ 9,181,996 | |
| 12632 | Oscar Meyer | £ 5,773,809 | |
| 12633 | Oscorp Industries | £ 179,374 | |
| 12634 | OSHA Six Flags | £ 5,346,082 | |
| 12635 | Osho | £ 3,923,622 | |
| 12636 | Osipolis | £ 16,660,041 | |
| 12637 | Osiris | £ 225,126,101 | |
| 12638 | osiris666 | £ -1,880,407 | |
| 12639 | osiris6971 | £ 10,377,105 | |
| 12640 | Osmosis | £ 36,967,752 | |
| 12641 | Osprey Close | £ 53,590,765 | |
| 12642 | other comps | £ 174,706,783 | |
| 12643 | Other Reality | £ 4,518,202 | |
| 12644 | Otherones | £ 61,853,286 | |
| 12645 | Others | £ 26,039,960 | |
| 12646 | otherwil | £ 133,717 | |
| 12647 | otherwil2 | £ -34,567,223 | |
| 12648 | otherwil3 | £ 1,893,225 | |
| 12649 | otherwil4 | £ 4,826,025 | |
| 12650 | otherwil5 | £ 829,030 | |
| 12651 | Ottawa | £ 44,778,874 | |
| 12652 | Otto | £ 511,521,836 | |
| 12653 | OU812 | £ 295,551,819 | |
| 12654 | OuCh | £ 17,035,035 | |
| 12655 | Ouija Industries | £ 345,812 | |
| 12656 | our butterfly | £ 1,134,896,288 | |
| 12657 | Our Discontent | £ 5,507,855 | |
| 12658 | Our Dollar | £ 173,827,178 | |
| 12659 | Our Doorstep | £ 1,396,159 | |
| 12660 | Our Golden Years | £ 908,659,300 | |
| 12661 | Our Good Name | £ 571,345,968 | |
| 12662 | Our Happy Memories | £ 34,408,558 | |
| 12663 | our judgement | £ 621,639,331 | |
| 12664 | our lifes | £ 278,829,730 | |
| 12665 | Our Lives | £ 60,309,789 | |
| 12666 | our Lord | £ 5,790,277 | |
| 12667 | Our Loved Ones | £ 106,677,737 | |
| 12668 | Our Times | £ 1,742,749 | |
| 12669 | Ours | £ 191,746,347 | |
| 12670 | Ourselves | £ 91,484,866 | |
| 12671 | out | £ 85,981,569 | |
| 12672 | Out of Nothing | £ 1,503,708 | |
| 12673 | Out Of The Blue | £ 946,989,643 | |
| 12674 | Out of town | £ 586,926 | |
| 12675 | Out You Go | £ 39,675,860 | |
| 12676 | outbreak | £ 561,418,136 | |
| 12677 | Outer Heaven | £ 58,665,319 | |
| 12678 | Outlandish Labs LLC | £ 1,478,185 | |
| 12679 | Outlands | £ 155,639,513 | |
| 12680 | Outlaw | £ 10,047,120 | |
| 12681 | Outletsales | £ 1,793,596 | |
| 12682 | Outrageous Fortune | £ 210,155,594 | |
| 12683 | Outsourcing LLC | £ 4,372,708 | |
| 12684 | Outtathisworld plc | £ 1,236,092 | |
| 12685 | Outworld | £ 75,608,832 | |
| 12686 | Ovation | £ 2,547,061 | |
| 12687 | Over A Pub | £ 97,048,135 | |
| 12688 | Over Priced | £ 73,067,141 | |
| 12689 | overflowing bog | £ 11,871,021 | |
| 12690 | overHelming | £ 491,414,184 | |
| 12691 | Overmeire | £ 5,506,415 | |
| 12692 | Overpoort | £ 2,764,404 | |
| 12693 | Overpovered | £ 1,092,543 | |
| 12694 | Override | £ 17,139,813 | |
| 12695 | OverThor | £ 5,507,873 | |
| 12696 | Overwatch | £ 215,454,246 | |
| 12697 | Overwatch LTD | £ 57,470,387 | |
| 12698 | Ovine Flu | £ 187,135,961 | |
| 12699 | ow3n pte ltd | £ 3,307,504 | |
| 12700 | Owens Enterprise | £ 1,333,825,025 | |
