The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 16601 | Other Companies | £ 5,505,336 | |
| 16602 | other comps | £ 286,021,008 | |
| 16603 | Other People | £ 12,169,340 | |
| 16604 | Others | £ 26,039,960 | |
| 16605 | Others sometimes | £ 65,359,099 | |
| 16606 | otherwil | £ 133,717 | |
| 16607 | otherwil2 | £ -34,567,223 | |
| 16608 | otherwil3 | £ 1,893,225 | |
| 16609 | otherwil4 | £ 4,826,025 | |
| 16610 | otherwil5 | £ 829,030 | |
| 16611 | Ottawa | £ 44,778,874 | |
| 16612 | Ottoman Empire | £ 56,887,049 | |
| 16613 | OU812 | £ 295,697,174 | |
| 16614 | Ouija Industries | £ 345,812 | |
| 16615 | our butterfly | £ 1,134,896,288 | |
| 16616 | Our Champion | £ 51,564,299 | |
| 16617 | our differences | £ 302,439,939 | |
| 16618 | Our Discontent | £ 5,507,855 | |
| 16619 | Our Fathers | £ 116,143,694 | |
| 16620 | Our Golden Years | £ 908,659,300 | |
| 16621 | Our Good Name | £ 571,345,968 | |
| 16622 | Our Happy Memories | £ 34,408,558 | |
| 16623 | our judgement | £ 621,639,331 | |
| 16624 | our lifes | £ 464,291,926 | |
| 16625 | Our Lives | £ 60,309,789 | |
| 16626 | Our Times | £ 1,742,749 | |
| 16627 | our universe | £ 611,100,154 | |
| 16628 | our ways | £ 70,053,802 | |
| 16629 | Ours | £ 1,053,657,782 | |
| 16630 | Ourselves | £ 91,484,866 | |
| 16631 | out | £ 85,981,569 | |
| 16632 | out of my face | £ 581,084,624 | |
| 16633 | Out of Nothing | £ 6,356,430 | |
| 16634 | Out Of The Blue | £ 946,989,643 | |
| 16635 | Outdoor Boys | £ 5,707,294 | |
| 16636 | Outer Heaven | £ 58,665,319 | |
| 16637 | Outlandish Labs LLC | £ 1,478,185 | |
| 16638 | Outletsales | £ 1,793,596 | |
| 16639 | outlook responding | £ 645,358,088 | |
| 16640 | Outrageous Fortune | £ 210,155,594 | |
| 16641 | Outside Space | £ 6,959,307 | |
| 16642 | Outside the square | £ 202,329,406 | |
| 16643 | Outsourcing LLC | £ 4,372,708 | |
| 16644 | Outtathisworld plc | £ 1,236,092 | |
| 16645 | Ovation | £ 2,547,061 | |
| 16646 | over educated idiots | £ 147,610,287 | |
| 16647 | Over grown bush | £ 175,719,320 | |
| 16648 | Over Priced | £ 73,067,141 | |
| 16649 | Overclocked RAM | £ 51,978,581 | |
| 16650 | Overdrive | £ 104,717,990 | |
| 16651 | overHelming | £ 491,414,184 | |
| 16652 | Overkil | £ 1,000,000 | |
| 16653 | Overmeire | £ 5,506,415 | |
| 16654 | Overpaid Footballers | £ 9,049,401 | |
| 16655 | Overpoort | £ 2,764,404 | |
| 16656 | Override | £ 17,139,813 | |
| 16657 | overthinking | £ 10,529,502 | |
| 16658 | OverThor | £ 5,507,873 | |
| 16659 | Overwatch | £ 215,454,246 | |
| 16660 | Overwatch LTD | £ 57,470,387 | |
| 16661 | Overwhelming | £ 60,498,024 | |
| 16662 | Ovine Flu | £ 61,245,519 | |
| 16663 | ow3n pte ltd | £ 3,307,504 | |
| 16664 | Owens Enterprise | £ 1,558,560,956 | |
| 16665 | Owl | £ 237,452,023 | |
| 16666 | Owls | £ 425,596,680 | |
| 16667 | owned | £ 5,486,100 | |
| 16668 | Owned2EU | £ -76,039,189 | |
| 16669 | Owned3EU | £ 2,813,019 | |
| 16670 | Owned4EU | £ -11,748,456 | |
| 16671 | Owner | £ 6,354,110 | |
| 16672 | Ownership | £ 166,931,639 | |
| 16673 | oWoTYRANNYoWo | £ 214,314,128 | |
| 16674 | OWWWW | £ 5,508,284 | |
| 16675 | Oxcide | £ 12,818,579 | |
| 16676 | Oxford | £ 205,487,202 | |
| 16677 | OXO | £ 876,250,643 | |
| 16678 | Oxtail Soup | £ 64,738,096 | |
| 16679 | Oxy Clean | £ 71,691,928 | |
| 16680 | OXYCODONE | £ 2,227,743,788 | |
| 16681 | Oxygen | £ 215,261,376 | |
| 16682 | Oxymoronisms | £ 1,404,506,288 | |
| 16683 | Oz and Goodwin | £ 4,583,012 | |
| 16684 | Oz Racing | £ 5,502,594 | |
| 16685 | Oz. | £ 1,216,564,339 | |
| 16686 | Ozymandias | £ 29,843 | |
| 16687 | Ozz | £ 89,779,013 | |
| 16688 | P a p a r a z z i | £ 178,441,792 | |
| 16689 | P.A.F.C | £ 4,925,729 | |
| 16690 | P1GLTD | £ 19,292 | |
| 16691 | paal met bijen | £ 13,025,042 | |
| 16692 | Pabst | £ 52,512,217 | |
| 16693 | Pac-Mans Wrath | £ 37,103,581 | |
| 16694 | PACE | £ 70,619,715 | |
| 16695 | Pace and Power | £ 1,386,120,646 | |
| 16696 | PACE10000 | £ -134,527 | |
| 16697 | Pacha | £ 639,799,243 | |
| 16698 | Pacific Courier | £ 1,231,818,518 | |
| 16699 | Pacific Injustice | £ 88,830,701 | |
| 16700 | PacIndustries | £ 10,669 | |
