The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 14101 | Out of town | £ 586,926 | |
| 14102 | Out You Go | £ 39,675,860 | |
| 14103 | outbreak | £ 561,418,136 | |
| 14104 | Outer Heaven | £ 58,665,319 | |
| 14105 | Outlandish Labs LLC | £ 1,478,185 | |
| 14106 | Outlands | £ 157,090,767 | |
| 14107 | Outlaw | £ 10,047,120 | |
| 14108 | Outletsales | £ 1,793,596 | |
| 14109 | Outrageous Fortune | £ 210,155,594 | |
| 14110 | Outsourcing LLC | £ 4,372,708 | |
| 14111 | Outtathisworld plc | £ 1,236,092 | |
| 14112 | Outworld | £ 129,126,601 | |
| 14113 | Ovation | £ 2,547,061 | |
| 14114 | Over A Pub | £ 97,048,135 | |
| 14115 | Over Priced | £ 73,067,141 | |
| 14116 | overflowing bog | £ 11,871,021 | |
| 14117 | overHelming | £ 491,414,184 | |
| 14118 | Overmeire | £ 5,506,415 | |
| 14119 | Overpoort | £ 2,764,404 | |
| 14120 | Overpovered | £ 1,092,543 | |
| 14121 | Override | £ 17,139,813 | |
| 14122 | OverThor | £ 5,507,873 | |
| 14123 | Overwatch | £ 215,454,246 | |
| 14124 | Overwatch LTD | £ 57,470,387 | |
| 14125 | Ovine Flu | £ 47,067,183 | |
| 14126 | ow3n pte ltd | £ 3,307,504 | |
| 14127 | Owens Enterprise | £ 1,346,837,431 | |
| 14128 | Owl | £ 237,452,023 | |
| 14129 | OWLF | £ 2,914,903 | |
| 14130 | Owls | £ 425,596,680 | |
| 14131 | owned | £ 5,486,100 | |
| 14132 | Owned2EU | £ -76,039,189 | |
| 14133 | Owned3EU | £ 2,813,019 | |
| 14134 | Owned4EU | £ -11,748,456 | |
| 14135 | Owner | £ 6,354,110 | |
| 14136 | Ownership | £ 104,653,962 | |
| 14137 | Owning This Land | £ -869,747 | |
| 14138 | oWoTYRANNYoWo | £ 43,584,383 | |
| 14139 | OWWWW | £ 5,508,284 | |
| 14140 | Oxcide | £ 12,818,579 | |
| 14141 | Oxford | £ 205,487,202 | |
| 14142 | OXO | £ 627,787,564 | |
| 14143 | Oxtail Soup | £ 63,813,776 | |
| 14144 | Oxy Clean | £ 71,691,928 | |
| 14145 | OXYCODONE | £ 1,623,150,125 | |
| 14146 | Oxygen | £ 215,261,376 | |
| 14147 | Oxymoronisms | £ 1,122,695,316 | |
| 14148 | Oz and Goodwin | £ 4,583,012 | |
| 14149 | Oz. | £ 461,800,305 | |
| 14150 | OZ0.0 | £ 25,946,570 | |
| 14151 | OZ0.1 | £ 33,827,950 | |
| 14152 | OZ0.2 | £ 9,703,588 | |
| 14153 | OZ0.3 | £ 28,295,253 | |
| 14154 | OZ0.4 | £ 24,919,363 | |
| 14155 | OZ0.5 | £ 21,472,709 | |
| 14156 | OZ0.6 | £ 30,405,754 | |
| 14157 | OZ0.7 | £ 50,457,473 | |
| 14158 | OZ0.8 | £ 41,749,865 | |
| 14159 | OZ0.9 | £ 25,029,119 | |
| 14160 | OZ1.0 | £ 45,591,070 | |
| 14161 | OZ1.1 | £ 34,342,074 | |
| 14162 | OZ1.2 | £ 34,395,782 | |
| 14163 | OZ1.3 | £ 29,976,078 | |
| 14164 | OZ1.4 | £ 30,452,762 | |
| 14165 | OZ1.5 | £ 34,402,273 | |
| 14166 | OZ1.6 | £ 28,904,982 | |
| 14167 | OZ1.7 | £ 14,060,521 | |
| 14168 | OZ1.8 | £ 29,704,187 | |
| 14169 | OZ1.9 | £ 1,465,510 | |
| 14170 | OZ2.0 | £ 1,085,981 | |
| 14171 | OZ2.1 | £ 1,235,463 | |
| 14172 | OZ2.2 | £ 24,845,049 | |
| 14173 | OZ2.3 | £ 1,151,238 | |
| 14174 | OZ2.4 | £ 1,463,968 | |
| 14175 | OZ2.5 | £ 1,452,082 | |
| 14176 | OZ2.6 | £ 27,113,159 | |
| 14177 | OZ2.7 | £ 1,125,175 | |
| 14178 | OZ2.8 | £ 884,080 | |
| 14179 | OZ2.9 | £ 919,917 | |
| 14180 | OZ3.0 | £ 18,077,642 | |
| 14181 | OZ3.1 | £ 31,805,969 | |
| 14182 | OZ3.2 | £ 971,796 | |
| 14183 | OZ3.3 | £ 14,297,322 | |
| 14184 | OZ3.4 | £ 6,013,151 | |
| 14185 | Ozymandias | £ 29,843 | |
| 14186 | Ozz | £ 89,779,013 | |
| 14187 | P a p a r a z z i | £ 178,441,792 | |
| 14188 | P.A.F.C | £ 4,925,729 | |
| 14189 | P1GLTD | £ 19,292 | |
| 14190 | paal met bijen | £ 8,480,544 | |
| 14191 | Pabst | £ 52,512,217 | |
| 14192 | PACE | £ 70,619,715 | |
| 14193 | PACE10000 | £ -134,527 | |
| 14194 | Pacha | £ 589,453,521 | |
| 14195 | Pacific Injustice | £ 88,830,701 | |
| 14196 | PacIndustries | £ 10,669 | |
| 14197 | Package | £ 5,501,542 | |
| 14198 | PACKERS | £ 50,000 | |
| 14199 | Packwood holdings | £ 35,593,693 | |
| 14200 | Packworld | £ 81,219,935 | |
