The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12701 | Others | £ 26,039,960 | |
| 12702 | otherwil | £ 133,717 | |
| 12703 | otherwil2 | £ -34,567,223 | |
| 12704 | otherwil3 | £ 1,893,225 | |
| 12705 | otherwil4 | £ 4,826,025 | |
| 12706 | otherwil5 | £ 829,030 | |
| 12707 | Ottawa | £ 44,778,874 | |
| 12708 | Otto | £ 511,521,836 | |
| 12709 | Ottoman Empire | £ 32,109,553 | |
| 12710 | OU812 | £ 295,697,174 | |
| 12711 | OuCh | £ 19,924,101 | |
| 12712 | Ouija Industries | £ 345,812 | |
| 12713 | our butterfly | £ 1,134,896,288 | |
| 12714 | Our Discontent | £ 5,507,855 | |
| 12715 | Our Dollar | £ 173,827,178 | |
| 12716 | Our Doorstep | £ 1,396,159 | |
| 12717 | Our Golden Years | £ 908,659,300 | |
| 12718 | Our Good Name | £ 571,345,968 | |
| 12719 | Our Happy Memories | £ 34,408,558 | |
| 12720 | our judgement | £ 621,639,331 | |
| 12721 | our lifes | £ 348,188,602 | |
| 12722 | Our Lives | £ 60,309,789 | |
| 12723 | our Lord | £ 5,790,277 | |
| 12724 | Our Loved Ones | £ 106,677,737 | |
| 12725 | Our Times | £ 1,742,749 | |
| 12726 | Ours | £ 191,746,347 | |
| 12727 | Ourselves | £ 91,484,866 | |
| 12728 | out | £ 85,981,569 | |
| 12729 | Out of Nothing | £ 1,503,708 | |
| 12730 | Out Of The Blue | £ 946,989,643 | |
| 12731 | Out of town | £ 586,926 | |
| 12732 | Out You Go | £ 39,675,860 | |
| 12733 | outbreak | £ 561,418,136 | |
| 12734 | Outer Heaven | £ 58,665,319 | |
| 12735 | Outlandish Labs LLC | £ 1,478,185 | |
| 12736 | Outlands | £ 155,697,334 | |
| 12737 | Outlaw | £ 10,047,120 | |
| 12738 | Outletsales | £ 1,793,596 | |
| 12739 | Outrageous Fortune | £ 210,155,594 | |
| 12740 | Outsourcing LLC | £ 4,372,708 | |
| 12741 | Outtathisworld plc | £ 1,236,092 | |
| 12742 | Outworld | £ 80,575,806 | |
| 12743 | Ovation | £ 2,547,061 | |
| 12744 | Over A Pub | £ 97,048,135 | |
| 12745 | Over Priced | £ 73,067,141 | |
| 12746 | overflowing bog | £ 11,871,021 | |
| 12747 | overHelming | £ 491,414,184 | |
| 12748 | Overmeire | £ 5,506,415 | |
| 12749 | Overpoort | £ 2,764,404 | |
| 12750 | Overpovered | £ 1,092,543 | |
| 12751 | Override | £ 17,139,813 | |
| 12752 | OverThor | £ 5,507,873 | |
| 12753 | Overwatch | £ 215,454,246 | |
| 12754 | Overwatch LTD | £ 57,470,387 | |
| 12755 | Ovine Flu | £ 223,855,322 | |
| 12756 | ow3n pte ltd | £ 3,307,504 | |
| 12757 | Owens Enterprise | £ 1,346,837,431 | |
| 12758 | OWLF | £ 2,914,903 | |
| 12759 | Owls | £ 425,596,680 | |
| 12760 | owned | £ 5,486,100 | |
| 12761 | Owned2EU | £ -76,039,189 | |
| 12762 | Owned3EU | £ 2,813,019 | |
| 12763 | Owned4EU | £ -11,748,456 | |
| 12764 | Owner | £ 6,354,110 | |
| 12765 | Owning This Land | £ -869,747 | |
| 12766 | oWoTYRANNYoWo | £ 440,773,528 | |
| 12767 | OWWWW | £ 5,508,284 | |
| 12768 | Oxcide | £ 12,818,579 | |
| 12769 | Oxford | £ 205,487,202 | |
| 12770 | OXO | £ 627,787,564 | |
| 12771 | Oxtail Soup | £ 191,020,605 | |
| 12772 | Oxy Clean | £ 71,691,928 | |
| 12773 | OXYCODONE | £ 1,610,787,227 | |
| 12774 | Oxygen | £ 215,261,376 | |
| 12775 | Oz and Goodwin | £ 4,583,012 | |
| 12776 | Ozz | £ 89,779,013 | |
| 12777 | P a p a r a z z i | £ 178,441,792 | |
| 12778 | P.A.F.C | £ 4,925,729 | |
| 12779 | P1GLTD | £ 19,292 | |
| 12780 | paal met bijen | £ 8,480,544 | |
| 12781 | Pabst | £ 52,512,217 | |
| 12782 | PACE | £ 70,619,715 | |
| 12783 | PACE10000 | £ -134,527 | |
| 12784 | Pacha | £ 589,453,521 | |
| 12785 | Pacific Injustice | £ 88,830,701 | |
| 12786 | PacIndustries | £ 10,669 | |
| 12787 | Package | £ 5,501,542 | |
| 12788 | PACKERS | £ 50,000 | |
| 12789 | Packwood holdings | £ 35,593,693 | |
| 12790 | Packworld | £ 81,219,935 | |
| 12791 | Pad | £ 9,195,398 | |
| 12792 | Pad Enterprises | £ 7,175,125 | |
| 12793 | padded plastic | £ 35,130,467 | |
| 12794 | Paddle Steamer Line Ltd | £ 137,953,676 | |
| 12795 | paddy waks | £ 77,665,768 | |
| 12796 | Paddys | £ 2,828,031 | |
| 12797 | Pads | £ 65,916,351 | |
| 12798 | pafc | £ -7,325,325 | |
| 12799 | Paganini | £ 640,281,064 | |
| 12800 | PAI KIA LIMITED | £ 185,672 | |
