The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 14901 | Out of town | £ 586,926 | |
| 14902 | Out You Go | £ 39,675,860 | |
| 14903 | outbreak | £ 561,418,136 | |
| 14904 | Outer Heaven | £ 58,665,319 | |
| 14905 | Outlandish Labs LLC | £ 1,478,185 | |
| 14906 | Outlaw | £ 10,047,120 | |
| 14907 | Outletsales | £ 1,793,596 | |
| 14908 | Outrageous Fortune | £ 210,155,594 | |
| 14909 | Outsourcing LLC | £ 4,372,708 | |
| 14910 | Outtathisworld plc | £ 1,236,092 | |
| 14911 | Ovation | £ 2,547,061 | |
| 14912 | Over A Pub | £ 97,048,135 | |
| 14913 | Over grown bush | £ 118,980,186 | |
| 14914 | Over Priced | £ 73,067,141 | |
| 14915 | overflowing bog | £ 11,871,021 | |
| 14916 | overHelming | £ 491,414,184 | |
| 14917 | Overmeire | £ 5,506,415 | |
| 14918 | Overpoort | £ 2,764,404 | |
| 14919 | Overpovered | £ 1,092,543 | |
| 14920 | Override | £ 17,139,813 | |
| 14921 | OverThor | £ 5,507,873 | |
| 14922 | Overwatch | £ 215,454,246 | |
| 14923 | Overwatch LTD | £ 57,470,387 | |
| 14924 | Overwhelming | £ 11,511,188 | |
| 14925 | Ovine Flu | £ 25,853,209 | |
| 14926 | ow3n pte ltd | £ 3,307,504 | |
| 14927 | Owens Enterprise | £ 1,346,837,431 | |
| 14928 | Owl | £ 237,452,023 | |
| 14929 | OWLF | £ 2,914,903 | |
| 14930 | Owls | £ 425,596,680 | |
| 14931 | owned | £ 5,486,100 | |
| 14932 | Owned2EU | £ -76,039,189 | |
| 14933 | Owned3EU | £ 2,813,019 | |
| 14934 | Owned4EU | £ -11,748,456 | |
| 14935 | Owner | £ 6,354,110 | |
| 14936 | Ownership | £ 56,932,403 | |
| 14937 | Owning This Land | £ -869,747 | |
| 14938 | oWoTYRANNYoWo | £ 43,299,445 | |
| 14939 | OWWWW | £ 5,508,284 | |
| 14940 | Oxcide | £ 12,818,579 | |
| 14941 | Oxford | £ 205,487,202 | |
| 14942 | OXO | £ 627,787,564 | |
| 14943 | Oxtail Soup | £ 38,486,200 | |
| 14944 | Oxy Clean | £ 71,691,928 | |
| 14945 | Oxyacetylene | £ 3,351,491 | |
| 14946 | OXYCODONE | £ 2,085,990,017 | |
| 14947 | Oxygen | £ 215,261,376 | |
| 14948 | Oxymoronisms | £ 1,394,674,935 | |
| 14949 | Oz and Goodwin | £ 4,583,012 | |
| 14950 | Oz. | £ 599,739,011 | |
| 14951 | OZ0.0 | £ 25,946,570 | |
| 14952 | OZ0.1 | £ 33,827,950 | |
| 14953 | OZ0.2 | £ 9,703,588 | |
| 14954 | OZ0.3 | £ 28,295,253 | |
| 14955 | OZ0.4 | £ 24,919,363 | |
| 14956 | OZ0.5 | £ 21,472,709 | |
| 14957 | OZ0.6 | £ 30,405,754 | |
| 14958 | OZ0.7 | £ 50,457,473 | |
| 14959 | OZ0.8 | £ 41,749,865 | |
| 14960 | OZ0.9 | £ 25,029,119 | |
| 14961 | OZ1.0 | £ 45,591,070 | |
| 14962 | OZ1.1 | £ 34,342,074 | |
| 14963 | OZ1.2 | £ 34,395,782 | |
| 14964 | OZ1.3 | £ 29,976,078 | |
| 14965 | OZ1.4 | £ 30,452,762 | |
| 14966 | OZ1.5 | £ 34,402,273 | |
| 14967 | OZ1.6 | £ 28,904,982 | |
| 14968 | OZ1.7 | £ 14,060,521 | |
| 14969 | OZ1.8 | £ 29,704,187 | |
| 14970 | OZ1.9 | £ 1,465,510 | |
| 14971 | OZ2.0 | £ 1,085,981 | |
| 14972 | OZ2.1 | £ 1,235,463 | |
| 14973 | OZ2.2 | £ 24,845,049 | |
| 14974 | OZ2.3 | £ 1,151,238 | |
| 14975 | OZ2.4 | £ 1,463,968 | |
| 14976 | OZ2.5 | £ 1,452,082 | |
| 14977 | OZ2.6 | £ 27,113,159 | |
| 14978 | OZ2.7 | £ 1,125,175 | |
| 14979 | OZ2.8 | £ 884,080 | |
| 14980 | OZ2.9 | £ 919,917 | |
| 14981 | OZ3.0 | £ 18,077,642 | |
| 14982 | OZ3.1 | £ 31,805,969 | |
| 14983 | OZ3.2 | £ 971,796 | |
| 14984 | OZ3.3 | £ 14,297,322 | |
| 14985 | OZ3.4 | £ 6,013,151 | |
| 14986 | Ozymandias | £ 29,843 | |
| 14987 | Ozz | £ 89,779,013 | |
| 14988 | P a p a r a z z i | £ 178,441,792 | |
| 14989 | P.A.F.C | £ 4,925,729 | |
| 14990 | P1GLTD | £ 19,292 | |
| 14991 | paal met bijen | £ 8,480,544 | |
| 14992 | Pabst | £ 52,512,217 | |
| 14993 | PACE | £ 70,619,715 | |
| 14994 | PACE10000 | £ -134,527 | |
| 14995 | Pacha | £ 639,799,243 | |
| 14996 | Pacific Injustice | £ 88,830,701 | |
| 14997 | PacIndustries | £ 10,669 | |
| 14998 | Package | £ 5,501,542 | |
| 14999 | PACKERS | £ 50,000 | |
| 15000 | Packwood holdings | £ 35,593,693 | |
