The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 15901 | osiris666 | £ -1,880,407 | |
| 15902 | osiris6971 | £ 50,840,965 | |
| 15903 | Oslo | £ 9,880,014 | |
| 15904 | Osmosis | £ 41,633,292 | |
| 15905 | Osprey Close | £ 53,590,765 | |
| 15906 | ossiary | £ 18,019,777 | |
| 15907 | other comps | £ 286,021,008 | |
| 15908 | Others | £ 26,039,960 | |
| 15909 | Others sometimes | £ 65,359,099 | |
| 15910 | otherwil | £ 133,717 | |
| 15911 | otherwil2 | £ -34,567,223 | |
| 15912 | otherwil3 | £ 1,893,225 | |
| 15913 | otherwil4 | £ 4,826,025 | |
| 15914 | otherwil5 | £ 829,030 | |
| 15915 | Ottawa | £ 44,778,874 | |
| 15916 | Otter | £ 43,181,655 | |
| 15917 | Ottoman Empire | £ 56,887,049 | |
| 15918 | OU812 | £ 295,697,174 | |
| 15919 | Ouija Industries | £ 345,812 | |
| 15920 | our butterfly | £ 1,134,896,288 | |
| 15921 | our differences | £ 204,626,268 | |
| 15922 | Our Discontent | £ 5,507,855 | |
| 15923 | Our Fathers | £ 115,141,160 | |
| 15924 | Our Golden Years | £ 908,659,300 | |
| 15925 | Our Good Name | £ 571,345,968 | |
| 15926 | Our Happy Memories | £ 34,408,558 | |
| 15927 | our judgement | £ 621,639,331 | |
| 15928 | our lifes | £ 464,291,926 | |
| 15929 | Our Lives | £ 60,309,789 | |
| 15930 | our Lord | £ 5,790,277 | |
| 15931 | Our Times | £ 1,742,749 | |
| 15932 | our universe | £ 611,100,154 | |
| 15933 | Ours | £ 645,412,741 | |
| 15934 | Ourselves | £ 91,484,866 | |
| 15935 | out | £ 85,981,569 | |
| 15936 | out of my face | £ 581,084,624 | |
| 15937 | Out of Nothing | £ 6,356,430 | |
| 15938 | Out Of The Blue | £ 946,989,643 | |
| 15939 | Out You Go | £ 39,675,860 | |
| 15940 | Outer Heaven | £ 58,665,319 | |
| 15941 | Outlandish Labs LLC | £ 1,478,185 | |
| 15942 | Outlaw | £ 10,047,120 | |
| 15943 | Outletsales | £ 1,793,596 | |
| 15944 | outlook responding | £ 240,768,559 | |
| 15945 | Outrageous Fortune | £ 210,155,594 | |
| 15946 | Outside the square | £ 53,839,460 | |
| 15947 | Outsourcing LLC | £ 4,372,708 | |
| 15948 | Outtathisworld plc | £ 1,236,092 | |
| 15949 | Ovation | £ 2,547,061 | |
| 15950 | over educated idiots | £ 157,479,987 | |
| 15951 | Over grown bush | £ 175,719,320 | |
| 15952 | Over Priced | £ 73,067,141 | |
| 15953 | overHelming | £ 491,414,184 | |
| 15954 | Overmeire | £ 5,506,415 | |
| 15955 | Overpoort | £ 2,764,404 | |
| 15956 | Override | £ 17,139,813 | |
| 15957 | overthinking | £ 10,529,502 | |
| 15958 | OverThor | £ 5,507,873 | |
| 15959 | Overwatch | £ 215,454,246 | |
| 15960 | Overwatch LTD | £ 57,470,387 | |
| 15961 | Overwhelming | £ 60,498,024 | |
| 15962 | Ovine Flu | £ 61,245,519 | |
| 15963 | ow3n pte ltd | £ 3,307,504 | |
| 15964 | Owens Enterprise | £ 1,346,837,431 | |
| 15965 | Owl | £ 237,452,023 | |
| 15966 | Owl Faux | £ 383,668 | |
| 15967 | Owls | £ 425,596,680 | |
| 15968 | owned | £ 5,486,100 | |
| 15969 | Owned2EU | £ -76,039,189 | |
| 15970 | Owned3EU | £ 2,813,019 | |
| 15971 | Owned4EU | £ -11,748,456 | |
| 15972 | Owner | £ 6,354,110 | |
| 15973 | Ownership | £ 111,498,048 | |
| 15974 | oWoTYRANNYoWo | £ 131,346,067 | |
| 15975 | OWWWW | £ 5,508,284 | |
| 15976 | Oxcide | £ 12,818,579 | |
| 15977 | Oxford | £ 205,487,202 | |
| 15978 | OXO | £ 627,787,564 | |
| 15979 | Oxtail Soup | £ 64,738,096 | |
| 15980 | Oxy Clean | £ 71,691,928 | |
| 15981 | OXYCODONE | £ 2,227,745,588 | |
| 15982 | Oxygen | £ 215,261,376 | |
| 15983 | Oxymoronisms | £ 1,390,476,659 | |
| 15984 | Oy The Billy Bumbler | £ 50,000 | |
| 15985 | Oz and Goodwin | £ 4,583,012 | |
| 15986 | Oz Racing | £ 5,502,594 | |
| 15987 | Oz. | £ 1,012,415,915 | |
| 15988 | Ozymandias | £ 29,843 | |
| 15989 | Ozz | £ 89,779,013 | |
| 15990 | P a p a r a z z i | £ 178,441,792 | |
| 15991 | P.A.F.C | £ 4,925,729 | |
| 15992 | P1GLTD | £ 19,292 | |
| 15993 | paal met bijen | £ 13,025,042 | |
| 15994 | Pabst | £ 52,512,217 | |
| 15995 | Pac-Mans Wrath | £ 37,103,581 | |
| 15996 | PACE | £ 70,619,715 | |
| 15997 | Pace and Power | £ 950,625,739 | |
| 15998 | PACE10000 | £ -134,527 | |
| 15999 | Pacha | £ 639,799,243 | |
| 16000 | Pacific Courier | £ 990,743,798 | |
