The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 15101 | Orange | £ 24,725,264 | |
| 15102 | Orange Aftershock | £ 67,681,186 | |
| 15103 | Orange Castle | £ 615,362 | |
| 15104 | Orange Creatine | £ 6,196,167 | |
| 15105 | Orange Inc. | £ 1,716,053 | |
| 15106 | Orange Jelly | £ 6,594,926 | |
| 15107 | Orange Jooze | £ 1,261,621 | |
| 15108 | Orange Jooze 3 | £ 50,000 | |
| 15109 | Orange Jooze2 | £ 795,888 | |
| 15110 | Orange Jooze4 | £ 50,000 | |
| 15111 | Orange Jooze5 | £ 50,000 | |
| 15112 | Orange Juice | £ 23,922,208 | |
| 15113 | Orange Paint | £ 97,288,036 | |
| 15114 | Oranginal | £ 4,103,756 | |
| 15115 | oranje | £ 4,966,784 | |
| 15116 | Orbital | £ 54,539,946 | |
| 15117 | Orbital Bombardment | £ 1,279,471,445 | |
| 15118 | Orbital Mechanics | £ 114,554,916 | |
| 15119 | Orchids R Us Ltd | £ 39,331,588 | |
| 15120 | orcs | £ 2,521,634,731 | |
| 15121 | Orcustra | £ 702,800 | |
| 15122 | Order | £ 176,233,665 | |
| 15123 | Order Flow | £ 121,681,973 | |
| 15124 | Orders | £ 27,738,927 | |
| 15125 | ordinary matter | £ 204,119,544 | |
| 15126 | Oregon | £ 111,775,168 | |
| 15127 | OREO | £ 64,657,012 | |
| 15128 | Org | £ 18,286,924 | |
| 15129 | Organic Beaver | £ 48,683,222 | |
| 15130 | Organics Ltd | £ 105,054,559 | |
| 15131 | Organised Crime | £ 17,216,443 | |
| 15132 | Organized Crime | £ 62,808,878 | |
| 15133 | Orgia Co. | £ 4,887,593 | |
| 15134 | Orgy | £ 6,092,194,361 | |
| 15135 | Origin | £ 1,078,463,973 | |
| 15136 | Origin yartley | £ 37,041,694 | |
| 15137 | Original 16 | £ 176,152,048 | |
| 15138 | Original Sin | £ 144,878,801 | |
| 15139 | Originality | £ 1,385,838,749 | |
| 15140 | Origins | £ 63,035,912 | |
| 15141 | Orino | £ 56,346,103 | |
| 15142 | Orion | £ 47,648,728 | |
| 15143 | Orleans | £ 5,502,629 | |
| 15144 | orm | £ 1,986,244,280 | |
| 15145 | orming | £ 117,593,541 | |
| 15146 | Orome Aldaron | £ 1,458,749,639 | |
| 15147 | OronzoMafia | £ 5,474,161 | |
| 15148 | Orphans Court | £ 297,981,744 | |
| 15149 | Orphic Co. | £ 4,423,125 | |
| 15150 | Orquinox Co. | £ 1,119 | |
| 15151 | Orricks IT Services | £ 15,082,611 | |
| 15152 | Ortcaj | £ 77,296,813 | |
| 15153 | Orthanc Inc. | £ 147,448,563 | |
| 15154 | Osaka | £ 5,504,057 | |
| 15155 | Osakin | £ 6,161,131 | |
| 15156 | Osbourne | £ 1,744,973 | |
| 15157 | osca-websites | £ 9,181,996 | |
| 15158 | Oscar | £ 2,959,610 | |
| 15159 | Oscar Meyer | £ 5,773,809 | |
| 15160 | Oscillation | £ 3,001,978 | |
| 15161 | Oscorp Industries | £ 179,374 | |
| 15162 | OSHA Six Flags | £ 5,346,082 | |
| 15163 | Osho | £ 4,055,871 | |
| 15164 | Osipolis | £ 16,660,041 | |
| 15165 | Osiris | £ 225,126,101 | |
| 15166 | osiris666 | £ -1,880,407 | |
| 15167 | osiris6971 | £ 24,737,778 | |
| 15168 | Oslo | £ 7,808,355 | |
| 15169 | Osmosis | £ 41,633,292 | |
| 15170 | Osprey Close | £ 53,590,765 | |
| 15171 | Oswald my gum | £ 42,893,518 | |
| 15172 | other comps | £ 286,021,008 | |
| 15173 | Other Reality | £ 4,518,202 | |
| 15174 | Otherones | £ 61,853,286 | |
| 15175 | Others | £ 26,039,960 | |
| 15176 | Others sometimes | £ 50,914,067 | |
| 15177 | otherwil | £ 133,717 | |
| 15178 | otherwil2 | £ -34,567,223 | |
| 15179 | otherwil3 | £ 1,893,225 | |
| 15180 | otherwil4 | £ 4,826,025 | |
| 15181 | otherwil5 | £ 829,030 | |
| 15182 | Ottawa | £ 44,778,874 | |
| 15183 | Otto | £ 511,521,836 | |
| 15184 | Ottoman Empire | £ 56,887,049 | |
| 15185 | OU812 | £ 295,697,174 | |
| 15186 | OuCh | £ 54,130,309 | |
| 15187 | Ouija Industries | £ 345,812 | |
| 15188 | our butterfly | £ 1,134,896,288 | |
| 15189 | our differences | £ 171,438,141 | |
| 15190 | Our Discontent | £ 5,507,855 | |
| 15191 | Our Dollar | £ 181,842,890 | |
| 15192 | Our Doorstep | £ 1,396,159 | |
| 15193 | Our Golden Years | £ 908,659,300 | |
| 15194 | Our Good Name | £ 571,345,968 | |
| 15195 | Our Happy Memories | £ 34,408,558 | |
| 15196 | our judgement | £ 621,639,331 | |
| 15197 | our lifes | £ 464,291,926 | |
| 15198 | Our Lives | £ 60,309,789 | |
| 15199 | our Lord | £ 5,790,277 | |
| 15200 | Our Nations Capitol | £ 276,586,776 | |
