The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12001 | Out of town | £ 586,926 | |
| 12002 | Out You Go | £ 39,675,860 | |
| 12003 | outbreak | £ 561,418,136 | |
| 12004 | Outer Haven | £ 87,440,720 | |
| 12005 | Outer Heaven | £ 58,665,319 | |
| 12006 | Outlandish Labs LLC | £ 1,478,185 | |
| 12007 | Outlands | £ 155,639,513 | |
| 12008 | Outlaw | £ 4,594,026 | |
| 12009 | Outletsales | £ 1,793,596 | |
| 12010 | Outrageous Fortune | £ 210,155,594 | |
| 12011 | Outsourcing LLC | £ 4,372,708 | |
| 12012 | Outtathisworld plc | £ 1,236,092 | |
| 12013 | Outworld | £ 75,608,832 | |
| 12014 | Ovation | £ 2,547,061 | |
| 12015 | Over A Pub | £ 73,166,502 | |
| 12016 | Over Priced | £ 73,067,141 | |
| 12017 | overflowing bog | £ 11,871,021 | |
| 12018 | overHelming | £ 491,414,184 | |
| 12019 | Overmeire | £ 5,506,415 | |
| 12020 | Overpoort | £ 2,764,404 | |
| 12021 | Overpovered | £ 1,092,543 | |
| 12022 | Override | £ 17,139,813 | |
| 12023 | OverThor | £ 5,507,873 | |
| 12024 | Overwatch | £ 215,454,246 | |
| 12025 | Overwatch LTD | £ 57,470,387 | |
| 12026 | ow3n pte ltd | £ 3,307,504 | |
| 12027 | Owens Enterprise | £ 764,442,919 | |
| 12028 | OWLF | £ 2,854,776 | |
| 12029 | Owls | £ 425,596,680 | |
| 12030 | owned | £ 5,486,100 | |
| 12031 | Owned2EU | £ -76,039,189 | |
| 12032 | Owned3EU | £ 2,813,019 | |
| 12033 | Owned4EU | £ -11,748,456 | |
| 12034 | Owner | £ 6,354,110 | |
| 12035 | Owning This Land | £ -869,747 | |
| 12036 | oWoTYRANNYoWo | £ 303,471,185 | |
| 12037 | OWWWW | £ 5,508,284 | |
| 12038 | Oxcide | £ 12,818,579 | |
| 12039 | Oxford | £ 148,978,983 | |
| 12040 | OXO | £ 632,764,952 | |
| 12041 | Oxy Clean | £ 71,691,928 | |
| 12042 | OXYCODONE | £ 59,922,593 | |
| 12043 | Oxygen | £ 215,261,376 | |
| 12044 | Oz and Goodwin | £ 4,583,012 | |
| 12045 | Ozz | £ 89,779,013 | |
| 12046 | P a p a r a z z i | £ 178,441,792 | |
| 12047 | P.A.F.C | £ 191,432 | |
| 12048 | P1GLTD | £ 19,292 | |
| 12049 | paal met bijen | £ 8,480,544 | |
| 12050 | Pabst | £ 52,512,217 | |
| 12051 | PACE | £ 70,619,715 | |
| 12052 | PACE10000 | £ -134,527 | |
| 12053 | Pacha | £ 136,993,870 | |
| 12054 | Pacific Injustice | £ 88,830,701 | |
| 12055 | PacIndustries | £ 10,669 | |
| 12056 | Package | £ 5,501,542 | |
| 12057 | PACKERS | £ 50,000 | |
| 12058 | Packwood holdings | £ 35,593,693 | |
| 12059 | Packworld | £ 57,171,849 | |
| 12060 | Pad | £ 9,195,398 | |
| 12061 | Pad Enterprises | £ 7,175,125 | |
| 12062 | padded plastic | £ 35,130,467 | |
| 12063 | Paddle Steamer Line Ltd | £ 137,953,676 | |
| 12064 | paddy waks | £ 70,117,143 | |
| 12065 | Paddys | £ 2,828,031 | |
| 12066 | Pads | £ 65,916,351 | |
| 12067 | pafc | £ -7,325,325 | |
| 12068 | Paganini | £ 640,281,064 | |
| 12069 | PAI KIA LIMITED | £ 185,672 | |
| 12070 | Pai pi place | £ 4,193,074 | |
| 12071 | Pain | £ 200,174,223 | |
| 12072 | Pain And Doom | £ 236,830 | |
| 12073 | Pain Inc | £ 4,888,556 | |
| 12074 | Pain Inflicted | £ 106,835,105 | |
| 12075 | Painful | £ 36,311,074 | |
| 12076 | Painkiller | £ 98,902,790 | |
| 12077 | Painkillers | £ 103,070,222 | |
| 12078 | paint | £ 590,141,223 | |
| 12079 | PAINT IT BLACK | £ -3,788,389 | |
| 12080 | Paint Remover | £ 384,218,351 | |
| 12081 | paintdry | £ 63,816,216 | |
| 12082 | Painted Heron | £ 343,820,230 | |
| 12083 | Painters | £ 6,460,099 | |
| 12084 | Painting | £ 59,050,756 | |
| 12085 | paintworks | £ 3,298,480,949 | |
| 12086 | PajamaPants | £ 5,538,768 | |
| 12087 | PAJAMAS | £ 192,086,445 | |
| 12088 | Pak Enterprise | £ 3,261,865 | |
| 12089 | Palace Of Automobiles | £ 79,045,208 | |
| 12090 | Pale Rider of Death | £ 477,455,399 | |
| 12091 | palestine | £ 44,243,125 | |
| 12092 | Paleto | £ 3,938,652 | |
| 12093 | Palm | £ 178,234,751 | |
| 12094 | Palmer Technologies | £ 106,225,881 | |
| 12095 | Palms | £ 20,490,447 | |
| 12096 | Palomar | £ 369,854,940 | |
| 12097 | Palpatine | £ 10,163,851 | |
| 12098 | Pam | £ 5,127,496 | |
| 12099 | Pamparius | £ 90,626,425 | |
| 12100 | Pamper | £ 5,502,410 | |
