The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10101 | Intercourse | £ 5,503,657 | |
| 10102 | Interest | £ 208,457,243 | |
| 10103 | Interesting Company Name | £ 38,884,650 | |
| 10104 | Interesting Inc. | £ 115,169,616 | |
| 10105 | Interests | £ 45,664,873 | |
| 10106 | Interference | £ 59,409,701 | |
| 10107 | Intergalactic Humanoids | £ 138,751,883 | |
| 10108 | Interior Two | £ 13,505,023 | |
| 10109 | Interlaced ent | £ 26,839,614 | |
| 10110 | Interlaced inc | £ 6,609,164 | |
| 10111 | Interlagos | £ 62,187,801 | |
| 10112 | Internal Affairs | £ 437,258,595 | |
| 10113 | Internal Audit | £ 5,084,223 | |
| 10114 | Internal combustion | £ 10,259,967 | |
| 10115 | Internal Server Error | £ 296,136,946 | |
| 10116 | International | £ 172,651,081 | |
| 10117 | International Mystery | £ 5,506,934 | |
| 10118 | International Rescue | £ 406,688,416 | |
| 10119 | Internet Chicken | £ 2,964,862 | |
| 10120 | InterplanetaryCraft | £ 101,948,006 | |
| 10121 | Interruption | £ 45,034,064 | |
| 10122 | Interscope | £ 39,811,703 | |
| 10123 | Interstate 580 | £ 9,727,560 | |
| 10124 | Intestinal Discomfort | £ 56,322,543 | |
| 10125 | Intimacy | £ 460,690,059 | |
| 10126 | Intl Secret Intel Agency | £ 283,843,957 | |
| 10127 | Into Light | £ 2,490,919 | |
| 10128 | Into your DMs | £ 65,920,351 | |
| 10129 | Intothenight | £ 1,845,829 | |
| 10130 | Intrepia | £ 59,115,436 | |
| 10131 | Intuitive | £ 54,700,056 | |
| 10132 | Invader | £ 166,638,863 | |
| 10133 | Invaders 2 | £ 33,587,924 | |
| 10134 | Invaders 4 | £ 2,086,777 | |
| 10135 | invalid | £ -9,650,282 | |
| 10136 | Invaluable Deeds | £ 33,829,098 | |
| 10137 | Invasion | £ 296,793,233 | |
| 10138 | Invention | £ 368,071,206 | |
| 10139 | Inventions R US | £ 6,854,812 | |
| 10140 | Inverse Ferocity | £ 10,650,542 | |
| 10141 | Inversion | £ 84,939,373 | |
| 10142 | Investigation | £ 32,969,246 | |
| 10143 | Investment | £ 2,221,888,865 | |
| 10144 | Investor Inc | £ 19,491 | |
| 10145 | Investors | £ 487,818,970 | |
| 10146 | Invicible | £ 1,571,549,869 | |
| 10147 | Invictus | £ 234,266,883 | |
| 10148 | Invictus Co. | £ 6,317,756 | |
| 10149 | Invincibility | £ 6,915,244,755 | |
| 10150 | Invincible Blood | £ 22,642,999 | |
| 10151 | Invisibility | £ 6,825,535,289 | |
| 10152 | Invisible | £ 5,500,467 | |
| 10153 | Invisible Pink Unicorn | £ 919,282,889 | |
| 10154 | Invulnerability | £ 6,654,248,215 | |
| 10155 | IOM | £ 10,369,366 | |
| 10156 | IP Tables | £ 1,252,301,796 | |
| 10157 | Ipeople | £ 6,717,633 | |
| 10158 | iPhone 5s or iPhone 5c | £ 251,993,104 | |
| 10159 | iPhone Maxi | £ 21,262,521 | |
| 10160 | iphone se 2 | £ 1,537,913 | |
| 10161 | iPhones | £ 59,106,533 | |
| 10162 | IpWorm | £ 5,853,723 | |
| 10163 | IQM Medical Ltd. | £ 50,000 | |
| 10164 | Iran | £ 527,921,665 | |
| 10165 | Iraq | £ 328,667,520 | |
| 10166 | irasshaimase | £ 253,581,913 | |
| 10167 | Ireland | £ 5,965,992 | |
| 10168 | iReps | £ 2,223,311 | |
| 10169 | Irish Bomber | £ 50,000 | |
| 10170 | Irish Charm | £ 30,032 | |
| 10171 | Irish Red Inc | £ 5,507,308 | |
| 10172 | Irish Republican Army | £ 191,860,837 | |
| 10173 | Irish Wrecking Ball | £ 5,052,671 | |
| 10174 | Irish_Eejit | £ 18,195,704 | |
| 10175 | iron | £ 27,511,144 | |
| 10176 | iron banana | £ 138,370,638 | |
| 10177 | Iron Brew | £ 60,152,848 | |
| 10178 | Iron hammer | £ 116,168,800 | |
| 10179 | Iron Man | £ 7,871,863 | |
| 10180 | Iron Mike Tyson | £ 367,337,391 | |
| 10181 | Iron warx | £ 301,188,768 | |
| 10182 | Iron werx | £ 472,037,312 | |
| 10183 | Iron word | £ 545,311,660 | |
| 10184 | Ironic | £ 83,154,977 | |
| 10185 | Ironic Occurrence | £ 289,604,976 | |
| 10186 | Ironic Titles | £ 6,504,577 | |
| 10187 | Ironing bored | £ 60,780,179 | |
| 10188 | IronMan | £ 5,506,372 | |
| 10189 | Ironmann | £ 11,545,377 | |
| 10190 | Ironn | £ 10,832,104 | |
| 10191 | IronShield Technologies | £ 44,408,458 | |
| 10192 | ironstone | £ 49,003,303 | |
| 10193 | iRRatiOnaL GoOse | £ 967,080,964 | |
| 10194 | irrational numbers | £ 5,502,185 | |
| 10195 | Irrefutability | £ 6,885,608,719 | |
| 10196 | Irreverentlie | £ 140,222,074 | |
| 10197 | Irrevocability | £ 1,618,676 | |
| 10198 | Irrigation Expert Co | £ 39,980,637 | |
| 10199 | Irrigation Expert Co. | £ 22,530,951 | |
| 10200 | Irrigation Expert Co.. | £ 5,502,700 | |
