The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12501 | Out You Go | £ 39,675,860 | |
| 12502 | outbreak | £ 561,418,136 | |
| 12503 | Outer Haven | £ 1,440,720 | |
| 12504 | Outer Heaven | £ 58,665,319 | |
| 12505 | Outlandish Labs LLC | £ 1,478,185 | |
| 12506 | Outlands | £ 155,639,513 | |
| 12507 | Outlaw | £ 10,047,120 | |
| 12508 | Outletsales | £ 1,793,596 | |
| 12509 | Outrageous Fortune | £ 210,155,594 | |
| 12510 | Outsourcing LLC | £ 4,372,708 | |
| 12511 | Outtathisworld plc | £ 1,236,092 | |
| 12512 | Outworld | £ 75,608,832 | |
| 12513 | Ovation | £ 2,547,061 | |
| 12514 | Over A Pub | £ 97,048,135 | |
| 12515 | Over Priced | £ 73,067,141 | |
| 12516 | overflowing bog | £ 11,871,021 | |
| 12517 | overHelming | £ 491,414,184 | |
| 12518 | Overmeire | £ 5,506,415 | |
| 12519 | Overpoort | £ 2,764,404 | |
| 12520 | Overpovered | £ 1,092,543 | |
| 12521 | Override | £ 17,139,813 | |
| 12522 | OverThor | £ 5,507,873 | |
| 12523 | Overwatch | £ 215,454,246 | |
| 12524 | Overwatch LTD | £ 57,470,387 | |
| 12525 | Ovine Flu | £ 180,150,753 | |
| 12526 | ow3n pte ltd | £ 3,307,504 | |
| 12527 | Owens Enterprise | £ 1,231,577,364 | |
| 12528 | OWLF | £ 2,914,903 | |
| 12529 | Owls | £ 425,596,680 | |
| 12530 | owned | £ 5,486,100 | |
| 12531 | Owned2EU | £ -76,039,189 | |
| 12532 | Owned3EU | £ 2,813,019 | |
| 12533 | Owned4EU | £ -11,748,456 | |
| 12534 | Owner | £ 6,354,110 | |
| 12535 | Owning This Land | £ -869,747 | |
| 12536 | oWoTYRANNYoWo | £ 387,797,730 | |
| 12537 | OWWWW | £ 5,508,284 | |
| 12538 | Oxcide | £ 12,818,579 | |
| 12539 | Oxford | £ 187,487,202 | |
| 12540 | OXO | £ 612,511,064 | |
| 12541 | Oxtail Soup | £ 116,306,383 | |
| 12542 | Oxy Clean | £ 71,691,928 | |
| 12543 | OXYCODONE | £ 1,528,149,187 | |
| 12544 | Oxygen | £ 215,261,376 | |
| 12545 | Oz and Goodwin | £ 4,583,012 | |
| 12546 | Ozz | £ 89,779,013 | |
| 12547 | P a p a r a z z i | £ 178,441,792 | |
| 12548 | P.A.F.C | £ 4,925,729 | |
| 12549 | P1GLTD | £ 19,292 | |
| 12550 | paal met bijen | £ 8,480,544 | |
| 12551 | Pabst | £ 52,512,217 | |
| 12552 | PACE | £ 70,619,715 | |
| 12553 | PACE10000 | £ -134,527 | |
| 12554 | Pacha | £ 585,438,728 | |
| 12555 | Pacific Injustice | £ 88,830,701 | |
| 12556 | PacIndustries | £ 10,669 | |
| 12557 | Package | £ 5,501,542 | |
| 12558 | PACKERS | £ 50,000 | |
| 12559 | Packwood holdings | £ 35,593,693 | |
| 12560 | Packworld | £ 81,219,935 | |
| 12561 | Pad | £ 9,195,398 | |
| 12562 | Pad Enterprises | £ 7,175,125 | |
| 12563 | padded plastic | £ 35,130,467 | |
| 12564 | Paddle Steamer Line Ltd | £ 137,953,676 | |
| 12565 | paddy waks | £ 72,438,018 | |
| 12566 | Paddys | £ 2,828,031 | |
| 12567 | Pads | £ 65,916,351 | |
| 12568 | pafc | £ -7,325,325 | |
| 12569 | Paganini | £ 640,281,064 | |
| 12570 | PAI KIA LIMITED | £ 185,672 | |
| 12571 | Pai pi place | £ 4,193,074 | |
| 12572 | Pain | £ 200,174,223 | |
| 12573 | Pain And Doom | £ 236,830 | |
| 12574 | Pain CO | £ 221,788,535 | |
| 12575 | Pain Enterprises | £ 228,981,609 | |
| 12576 | Pain Inc | £ 4,888,556 | |
| 12577 | Pain Inflicted | £ 106,835,105 | |
| 12578 | Painful | £ 36,311,074 | |
| 12579 | Painkiller | £ 413,214,982 | |
| 12580 | Painkillers | £ 103,070,222 | |
| 12581 | paint | £ 590,141,223 | |
| 12582 | PAINT IT BLACK | £ -3,788,389 | |
| 12583 | Paint Remover | £ 384,218,351 | |
| 12584 | paintdry | £ 63,816,216 | |
| 12585 | Painted Heron | £ 343,820,230 | |
| 12586 | Painters | £ 6,460,099 | |
| 12587 | Painting | £ 59,050,756 | |
| 12588 | paintworks | £ 3,298,480,949 | |
| 12589 | PajamaPants | £ 5,538,768 | |
| 12590 | PAJAMAS | £ 192,086,445 | |
| 12591 | Pak Enterprise | £ 3,261,865 | |
| 12592 | Palace Of Automobiles | £ 79,045,208 | |
| 12593 | Pale Rider of Death | £ 477,455,399 | |
| 12594 | palestine | £ 44,243,125 | |
| 12595 | Paleto | £ 3,938,652 | |
| 12596 | Palm | £ 176,574,971 | |
| 12597 | Palmer Technologies | £ 106,225,881 | |
| 12598 | Palms | £ 20,490,447 | |
| 12599 | Palomar | £ 369,854,940 | |
| 12600 | Palpatine | £ 10,163,851 | |
