The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 8001 | Inflation | £ 115,274,054 | |
| 8002 | Inflicting Pain | £ 5,182,623,088 | |
| 8003 | influenza | £ 2,078,668 | |
| 8004 | Information | £ 2,542,323,654 | |
| 8005 | Information Act | £ 21,410,016 | |
| 8006 | ingagement | £ 5,507,786 | |
| 8007 | Ingalls | £ 5,969,015 | |
| 8008 | Ingenuity | £ 229,132,507 | |
| 8009 | ingersoll | £ 272,873,593 | |
| 8010 | IngloriousG1 | £ 11,146,197 | |
| 8011 | IngloriousG2 | £ 21,578,348 | |
| 8012 | IngloriousG3 | £ 4,960,556 | |
| 8013 | IngloriousG4 | £ 38,861,336 | |
| 8014 | IngloriousG5 | £ 5,227,616 | |
| 8015 | Inheritance | £ 137,354,160 | |
| 8016 | Inhibitions | £ 7,864,738,922 | |
| 8017 | Iniquity | £ 114,962,690 | |
| 8018 | Initech | £ 36,273 | |
| 8019 | Initial Test | £ 32,245,452 | |
| 8020 | Initiative | £ 149,209,958 | |
| 8021 | Ink | £ 47,124,269 | |
| 8022 | Inkatek | £ 1,339,600 | |
| 8023 | Inle Lake | £ 920,587,207 | |
| 8024 | Inn of the Last Home | £ 1,403,402 | |
| 8025 | Inner Station | £ 6,596,243 | |
| 8026 | Innisfree | £ 193,288,859 | |
| 8027 | Innocence | £ 61,612,365 | |
| 8028 | Innocent Enterprise | £ 28,100,405 | |
| 8029 | Innocent Waif Co. | £ 1,079,484 | |
| 8030 | Innsbruck | £ 36,967,006 | |
| 8031 | Insane Inc | £ 103,865,323 | |
| 8032 | insanity | £ 5,114,820 | |
| 8033 | Insanity.inc | £ -4,636,568 | |
| 8034 | Insect Inferno | £ 4,274,551 | |
| 8035 | insects | £ 40,152,036 | |
| 8036 | Insert Tool Tech | £ 207,767,516 | |
| 8037 | inside | £ 545,418,918 | |
| 8038 | Inside Man | £ 36,077,206 | |
| 8039 | Insight | £ 4,930,782 | |
| 8040 | Insomnia | £ 111,310,354 | |
| 8041 | Insomnia Inc | £ 13,618,559 | |
| 8042 | Insomniac | £ 231,870,748 | |
| 8043 | Insomniacs Inc | £ 247,889 | |
| 8044 | InsomniaX | £ 36,803,237 | |
| 8045 | Inspecticide | £ 86,260,352 | |
| 8046 | Inspecticidus | £ 1,179,300 | |
| 8047 | Inspiration | £ 56,786,702 | |
| 8048 | Inspired | £ 24,669,647 | |
| 8049 | Inspiron | £ 55,842,972 | |
| 8050 | Insta-threat11 | £ -10,135,618 | |
| 8051 | £ 188,730,522 | ||
| 8052 | Instrument | £ 5,045,464 | |
| 8053 | Insufficient Amount | £ 115,460,289 | |
| 8054 | Insults | £ 555,598,769 | |
| 8055 | Insurance | £ 192,712,894 | |
| 8056 | Insurgency | £ 42,263,108 | |
| 8057 | IntArch | £ 4,051,737 | |
| 8058 | Integrated Finance | £ 5,613,209 | |
| 8059 | Integrity | £ 62,272,169 | |
| 8060 | Intel | £ 4,159,306 | |
| 8061 | Intel Corperation | £ 5,502,692 | |
| 8062 | INTELECT MID | £ 4,542,979 | |
| 8063 | INTELECT NORTH | £ 3,506,604 | |
| 8064 | INTELECT SOUTH | £ 5,501,704 | |
| 8065 | Inteligent | £ 320,833,576 | |
| 8066 | Intelligence | £ 1,269,185,751 | |
| 8067 | Intent | £ 208,032,022 | |
| 8068 | Intentions | £ 16,187,793 | |
| 8069 | Inter Ya Dog | £ 53,832,886 | |
| 8070 | Inter Ya Gran | £ 9,894,081 | |
| 8071 | Inter Ya Granny | £ 44,877,387 | |
| 8072 | Inter Ye mam | £ 33,791,306 | |
| 8073 | Intercourse | £ 5,503,657 | |
| 8074 | Interest | £ 257,540,807 | |
| 8075 | Interesting Inc. | £ 115,169,616 | |
| 8076 | Intergalactic Humanoids | £ 138,751,883 | |
| 8077 | Interior Two | £ 8,053,163 | |
| 8078 | Interlaced ent | £ 26,839,614 | |
| 8079 | Interlaced inc | £ 6,609,164 | |
| 8080 | Interlagos | £ 62,187,801 | |
| 8081 | Internal Audit | £ 5,084,223 | |
| 8082 | Internet Chicken | £ 2,964,862 | |
| 8083 | Intestinal Discomfort | £ 56,322,543 | |
| 8084 | Intimacy | £ 305,413,940 | |
| 8085 | Intl Secret Intel Agency | £ 283,843,957 | |
| 8086 | Intothenight | £ 1,845,829 | |
| 8087 | Intrepia | £ 59,115,436 | |
| 8088 | Invaders 2 | £ 33,587,924 | |
| 8089 | Invaders 4 | £ 2,086,777 | |
| 8090 | invalid | £ -9,650,282 | |
| 8091 | Invasion | £ 276,980,546 | |
| 8092 | Inventions R US | £ 6,854,812 | |
| 8093 | Inverse Ferocity | £ 10,650,542 | |
| 8094 | Inversion | £ 84,939,373 | |
| 8095 | Investigation | £ 32,969,246 | |
| 8096 | Investment | £ 2,230,407,528 | |
| 8097 | Invicible | £ 1,571,549,869 | |
| 8098 | Invictus | £ 234,266,883 | |
| 8099 | Invictus Co. | £ 6,317,756 | |
| 8100 | Invincible Blood | £ 22,642,999 | |
