The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12901 | Oceans 12 | £ 10,291,638 | |
| 12902 | Oceans 13 | £ 132,219,759 | |
| 12903 | Oceans Eleven | £ 8,485,684 | |
| 12904 | Ocelot | £ 194,460,230 | |
| 12905 | Och Noooo | £ 1,506,119 | |
| 12906 | Octavian | £ 4,631,188 | |
| 12907 | October 2014 | £ 94,385,046 | |
| 12908 | Octopia | £ 9,626,521 | |
| 12909 | Octopus Garden | £ 4,050,927 | |
| 12910 | Oddjob | £ 16,604,273 | |
| 12911 | Odds on Favorite | £ 74,346,727 | |
| 12912 | Oddysay | £ 2,896,867 | |
| 12913 | Odell | £ 13,714,064 | |
| 12914 | Oden | £ 641,394,649 | |
| 12915 | oden wrath | £ 1,735,842,850 | |
| 12916 | odin | £ 8,811,968 | |
| 12917 | Odin Mafia | £ 8,768,668 | |
| 12918 | Odin the Wanderer | £ 4,687,105 | |
| 12919 | Odo | £ 32,513,900 | |
| 12920 | Odqan | £ 362,689,804 | |
| 12921 | Odyssey | £ 329,493,997 | |
| 12922 | of a black widow | £ 196,069,515 | |
| 12923 | Of a Brutal Empire | £ 36,359,377 | |
| 12924 | of a Solar Empire | £ 46,660,163 | |
| 12925 | Of All Your Land | £ 48,121,892 | |
| 12926 | Of Bomb | £ 5,131,350 | |
| 12927 | of CFC | £ 5,455,120 | |
| 12928 | of Elm Street | £ 49,875 | |
| 12929 | Of Every Position | £ 61,887,884 | |
| 12930 | Of Friday the 13th | £ 50,000 | |
| 12931 | Of Green Bay | £ 7,216,016 | |
| 12932 | of Impendium | £ 349,441 | |
| 12933 | of Long Stockings | £ 16,738,335 | |
| 12934 | Of Minisotta | £ 1,716,607 | |
| 12935 | Of My Label | £ 295,911,481 | |
| 12936 | of of | £ 7,075,463 | |
| 12937 | of of of | £ 4,201,365 | |
| 12938 | of REASON | £ 1,154,429 | |
| 12939 | of RHC | £ 68,042,901 | |
| 12940 | Of Scotland | £ 1,304,795,018 | |
| 12941 | of the devil | £ 27,539,344 | |
| 12942 | of The Hat | £ 5,507,097 | |
| 12943 | of the heap | £ 66,771,581 | |
| 12944 | of the lost | £ 69,257,675 | |
| 12945 | of the monsters | £ 41,126,098 | |
| 12946 | Of The Road | £ 146,979,140 | |
| 12947 | of the runite | £ 4,694,589 | |
| 12948 | Of The UVF | £ 133,321,393 | |
| 12949 | Of the world | £ 2,007,785 | |
| 12950 | Of Time | £ 372,360,923 | |
| 12951 | of. | £ 335,457,109 | |
| 12952 | Ofcom | £ 320,664,180 | |
| 12953 | Off | £ 25,794,080 | |
| 12954 | off it | £ 5,261,275 | |
| 12955 | Offenbach | £ 382,674,581 | |
| 12956 | Offensive Behaviour | £ 509,861,247 | |
| 12957 | office | £ 668,697,048 | |
| 12958 | Offroad Trucker | £ 381,722,792 | |
| 12959 | Offshore | £ 367,643,133 | |
| 12960 | Offshore Accounts | £ 189,578,211 | |
| 12961 | Offshore Cash | £ 60,279,702 | |
| 12962 | og esaelP | £ 4,208,484 | |
| 12963 | ogkush | £ 2,491,394 | |
| 12964 | Ogrimmar | £ 35,379,515 | |
| 12965 | Oh Herro | £ 2,995,837 | |
| 12966 | Oh Jesus Christ | £ 9,142,153 | |
| 12967 | Oh No | £ 192,452,517 | |
| 12968 | Oh YEAH | £ 2,549,726 | |
| 12969 | ohara inc | £ -165,571 | |
| 12970 | ohe herrow | £ 5,703,509 | |
| 12971 | Ohnoitsmymothernlaw | £ 5,504,562 | |
| 12972 | Ohtaku inc | £ 3,600,029 | |
| 12973 | Ohtaku inc1 | £ 4,456,703 | |
| 12974 | Ohtaku inc2 | £ 1,267,353 | |
| 12975 | Ohtaku inc3 | £ 4,191,984 | |
| 12976 | Ohtaku inc4 | £ 4,118,968 | |
| 12977 | ohyesyesh | £ 50,000 | |
| 12978 | Oil | £ 833,968,470 | |
| 12979 | Oil CONGLOMO | £ 2,646,845 | |
| 12980 | Oil Field | £ 271,568 | |
| 12981 | Oil Inc | £ 1,596,655 | |
| 12982 | Oil Industry | £ 4,441,721 | |
| 12983 | Oil Rigger | £ 2,151,587,047 | |
| 12984 | Oilfield Industries | £ 9,854,297 | |
| 12985 | oiu | £ 5,498,037 | |
| 12986 | OJ da Juiceman | £ 109,855 | |
| 12987 | OK Tom | £ 213,436,455 | |
| 12988 | OKFurniture | £ 50,000 | |
| 12989 | OKG Shed | £ -329,334 | |
| 12990 | OKS 1 PTE LTD | £ 50,000 | |
| 12991 | OKS PTE LTD | £ 2,148,676 | |
| 12992 | OLafa | £ 5,088,982 | |
| 12993 | Oland Ltd | £ 50,000 | |
| 12994 | Olay | £ 326,245,749 | |
| 12995 | Old Age | £ 428,870,365 | |
| 12996 | Old Bay | £ 123,534,579 | |
| 12997 | Old Bill | £ 45,792,842 | |
| 12998 | Old Carpet | £ 163,972,008 | |
| 12999 | old farts | £ 3,542,428,093 | |
| 13000 | Old Feuds | £ 44,696,704 | |
