The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10001 | Insurection | £ 173,310,394 | |
| 10002 | Insurgency | £ 42,263,108 | |
| 10003 | Insurrection | £ 61,411,282 | |
| 10004 | IntArch | £ 4,051,737 | |
| 10005 | Integrated Finance | £ 5,613,209 | |
| 10006 | Integrity | £ 62,272,169 | |
| 10007 | Intel | £ 4,159,306 | |
| 10008 | Intel Corperation | £ 5,502,692 | |
| 10009 | INTELECT MID | £ 4,542,979 | |
| 10010 | INTELECT NORTH | £ 3,506,604 | |
| 10011 | INTELECT SOUTH | £ 5,501,704 | |
| 10012 | inteligence | £ 40,058,662 | |
| 10013 | Inteligent | £ 320,833,576 | |
| 10014 | Intellectual Property | £ 46,966,643 | |
| 10015 | Intelligence | £ 1,269,185,751 | |
| 10016 | Intelligibility | £ 5,451,576,538 | |
| 10017 | intense lines | £ 748,561 | |
| 10018 | Intense Solar | £ 98,277,569 | |
| 10019 | Intent | £ 208,032,022 | |
| 10020 | Intentions | £ 16,187,793 | |
| 10021 | Inter Ya Dog | £ 118,992,808 | |
| 10022 | Inter Ya Gran | £ 12,738,841 | |
| 10023 | Inter Ya Granny | £ 162,752,353 | |
| 10024 | Inter Ye mam | £ 113,368,031 | |
| 10025 | Intercourse | £ 5,503,657 | |
| 10026 | Interest | £ 257,540,807 | |
| 10027 | Interesting Inc. | £ 115,169,616 | |
| 10028 | Interests | £ 47,057,391 | |
| 10029 | Interference | £ 75,564,607 | |
| 10030 | Intergalactic Humanoids | £ 138,751,883 | |
| 10031 | Interior Two | £ 8,053,163 | |
| 10032 | Interlaced ent | £ 26,839,614 | |
| 10033 | Interlaced inc | £ 6,609,164 | |
| 10034 | Interlagos | £ 62,187,801 | |
| 10035 | Internal Affairs | £ 70,724,558 | |
| 10036 | Internal Audit | £ 5,084,223 | |
| 10037 | Internal combustion | £ 58,064,169 | |
| 10038 | International Mystery | £ 5,506,934 | |
| 10039 | Internet Chicken | £ 2,964,862 | |
| 10040 | Intestinal Discomfort | £ 56,322,543 | |
| 10041 | Intimacy | £ 460,690,059 | |
| 10042 | Intl Secret Intel Agency | £ 283,843,957 | |
| 10043 | Intothenight | £ 1,845,829 | |
| 10044 | Intrepia | £ 59,115,436 | |
| 10045 | Intuition | £ 186,127 | |
| 10046 | Invader | £ 166,638,863 | |
| 10047 | Invaders 2 | £ 33,587,924 | |
| 10048 | Invaders 4 | £ 2,086,777 | |
| 10049 | invalid | £ -9,650,282 | |
| 10050 | Invasion | £ 296,793,233 | |
| 10051 | Invention | £ 76,763,681 | |
| 10052 | Inventions R US | £ 6,854,812 | |
| 10053 | Inverse Ferocity | £ 10,650,542 | |
| 10054 | Inversion | £ 84,939,373 | |
| 10055 | Investigation | £ 32,969,246 | |
| 10056 | Investment | £ 2,221,888,865 | |
| 10057 | Investor Inc | £ 19,491 | |
| 10058 | Invicible | £ 1,571,549,869 | |
| 10059 | Invictus | £ 234,266,883 | |
| 10060 | Invictus Co. | £ 6,317,756 | |
| 10061 | Invincibility | £ 5,796,255,076 | |
| 10062 | Invincible Blood | £ 22,642,999 | |
| 10063 | Invisibility | £ 5,634,921,059 | |
| 10064 | Invisible | £ 5,500,467 | |
| 10065 | Invisible Gorillas | £ 536,114,387 | |
| 10066 | Invisible Pink Unicorn | £ 594,617,659 | |
| 10067 | Invulnerability | £ 5,748,436,888 | |
| 10068 | IOM | £ 10,369,366 | |
| 10069 | IP Tables | £ 265,811,038 | |
| 10070 | Ipeople | £ 6,717,633 | |
| 10071 | iPhone 5s or iPhone 5c | £ 251,993,104 | |
| 10072 | iphone se 2 | £ 1,537,913 | |
| 10073 | iPhones | £ 28,970,365 | |
| 10074 | IQM Medical Ltd. | £ 50,000 | |
| 10075 | Iran | £ 527,921,665 | |
| 10076 | Iraq | £ 328,667,520 | |
| 10077 | Ireland | £ 5,965,992 | |
| 10078 | iReps | £ 2,223,311 | |
| 10079 | Irish Bomber | £ 50,000 | |
| 10080 | Irish Charm | £ 30,032 | |
| 10081 | Irish Red Inc | £ 5,507,308 | |
| 10082 | Irish Republican Army | £ 191,860,837 | |
| 10083 | Irish Wrecking Ball | £ 5,052,671 | |
| 10084 | Irish_Eejit | £ 18,195,704 | |
| 10085 | iron | £ 27,511,144 | |
| 10086 | iron banana | £ 138,370,638 | |
| 10087 | Iron Brew | £ 60,152,848 | |
| 10088 | Iron hammer | £ 116,168,800 | |
| 10089 | Iron Man | £ 7,871,863 | |
| 10090 | Iron Mike Tyson | £ 367,450,564 | |
| 10091 | Iron warx | £ 301,188,768 | |
| 10092 | Iron werx | £ 472,037,312 | |
| 10093 | Iron word | £ 527,471,152 | |
| 10094 | Ironic | £ 83,154,977 | |
| 10095 | Ironic Occurrence | £ 294,165,990 | |
| 10096 | Ironic Titles | £ 4,257,987 | |
| 10097 | Ironing bored | £ 60,780,179 | |
| 10098 | IronMan | £ 5,506,372 | |
| 10099 | Ironmann | £ 11,545,377 | |
| 10100 | Ironn | £ 10,832,104 | |
