The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11501 | Intothenight | £ 1,845,829 | |
| 11502 | Intrepia | £ 59,115,436 | |
| 11503 | Intrigue | £ 583,594,547 | |
| 11504 | Intuitive | £ 54,700,056 | |
| 11505 | INUYASHA | £ 41,684,637 | |
| 11506 | Invader | £ 166,638,863 | |
| 11507 | Invaders 2 | £ 33,587,924 | |
| 11508 | Invaders 4 | £ 2,086,777 | |
| 11509 | invalid | £ -9,650,282 | |
| 11510 | Invaluable Deeds | £ 33,829,098 | |
| 11511 | Invasion | £ 296,793,233 | |
| 11512 | Invention | £ 1,655,580,108 | |
| 11513 | Invention. | £ 4,435,981,890 | |
| 11514 | Inventions R US | £ 6,854,812 | |
| 11515 | Inverness | £ 51,476,138 | |
| 11516 | Inverse Ferocity | £ 10,650,542 | |
| 11517 | Inversion | £ 84,939,373 | |
| 11518 | Investigation | £ 32,969,246 | |
| 11519 | Investigations | £ 5,510,265 | |
| 11520 | Investment | £ 2,221,888,865 | |
| 11521 | Investor Inc | £ 19,491 | |
| 11522 | Investors | £ 556,818,970 | |
| 11523 | Invicible | £ 1,571,549,869 | |
| 11524 | Invictus | £ 234,266,883 | |
| 11525 | Invictus Co. | £ 6,317,756 | |
| 11526 | Invincibility | £ 7,000,000,000 | |
| 11527 | Invincible Blood | £ 22,642,999 | |
| 11528 | Invisibility | £ 7,000,000,000 | |
| 11529 | Invisible | £ 5,500,467 | |
| 11530 | Invisible Furniture | £ 24,188,328 | |
| 11531 | Invulnerability | £ 7,000,000,000 | |
| 11532 | IOM | £ 10,369,366 | |
| 11533 | Iowa | £ 47,445,441 | |
| 11534 | IP Tables | £ 1,258,301,796 | |
| 11535 | Ipeople | £ 6,717,633 | |
| 11536 | iPhone 5s or iPhone 5c | £ 251,993,104 | |
| 11537 | iPhone Maxi | £ 21,262,521 | |
| 11538 | iphone se 2 | £ 1,537,913 | |
| 11539 | iPhones | £ 116,257,088 | |
| 11540 | Ipswich Town | £ 4,240,581 | |
| 11541 | IpWorm | £ 3,642,355 | |
| 11542 | IQM Medical Ltd. | £ 50,000 | |
| 11543 | IRA | £ 65,608,485 | |
| 11544 | Iran | £ 32,215,198 | |
| 11545 | Iraq | £ 44,717,420 | |
| 11546 | irasshaimase | £ 224,142,634 | |
| 11547 | Ireland | £ 5,965,992 | |
| 11548 | iReps | £ 2,223,311 | |
| 11549 | Irish Bomber | £ 50,000 | |
| 11550 | Irish Carbomb | £ 56,896,614 | |
| 11551 | irish descent | £ 222,031,996 | |
| 11552 | irish logic6 | £ 16,237,184 | |
| 11553 | irish logic7 | £ 50,000 | |
| 11554 | irish logic8 | £ 50,000 | |
| 11555 | irish logic9 | £ 50,000 | |
| 11556 | Irish Red Inc | £ 5,507,308 | |
| 11557 | Irish Republican Army | £ 191,860,837 | |
| 11558 | Irish Whiskey | £ 1,291,107 | |
| 11559 | Irish Wrecking Ball | £ 5,052,671 | |
| 11560 | Irish_Eejit | £ 18,195,704 | |
| 11561 | Irn Bru | £ 146,045,462 | |
| 11562 | iron | £ 27,511,144 | |
| 11563 | iron banana | £ 138,370,638 | |
| 11564 | Iron Brew | £ 60,152,848 | |
| 11565 | Iron hammer | £ 116,168,800 | |
| 11566 | Iron Maiden | £ 250,044,603 | |
| 11567 | Iron Man | £ 7,871,863 | |
| 11568 | Iron Market | £ 4,257,249 | |
| 11569 | Iron Mike Tyson | £ 367,318,671 | |
| 11570 | Iron Veil Ltd | £ 4,371,547 | |
| 11571 | Iron warx | £ 301,188,768 | |
| 11572 | Iron werx | £ 472,037,312 | |
| 11573 | Iron word | £ 545,311,660 | |
| 11574 | Ironic | £ 83,154,977 | |
| 11575 | Ironic Occurrence | £ 289,604,976 | |
| 11576 | Ironic Titles | £ 6,504,577 | |
| 11577 | Ironing bored | £ 60,780,179 | |
| 11578 | IronMan | £ 5,506,372 | |
| 11579 | Ironmann | £ 11,545,377 | |
| 11580 | Ironn | £ 10,832,104 | |
| 11581 | IronShield Technologies | £ 33,356,621 | |
| 11582 | ironstone | £ 49,003,303 | |
| 11583 | iRRatiOnaL GoOse | £ 1,111,978,292 | |
| 11584 | irrational numbers | £ 10,878,470 | |
| 11585 | Irrefutability | £ 7,000,000,000 | |
| 11586 | Irreverentlie | £ 140,222,074 | |
| 11587 | Irrevocability | £ 1,618,676 | |
| 11588 | Irrigation Expert Co | £ 39,980,637 | |
| 11589 | Irrigation Expert Co. | £ 22,530,951 | |
| 11590 | Irrigation Expert Co.. | £ 5,502,700 | |
| 11591 | Irrigation Expert Co... | £ 3,943,383 | |
| 11592 | Irrigation Expert Co.... | £ 5,507,560 | |
| 11593 | Iruga | £ 14,067,298 | |
| 11594 | Irun Bru | £ 993,675 | |
| 11595 | is a crowd | £ 1,043,336,631 | |
| 11596 | is awesome | £ 12,296,497 | |
| 11597 | is coming | £ 305,209,009 | |
| 11598 | is it nice to eat | £ 54,283,020 | |
| 11599 | Is It That Time Again | £ 50,000 | |
| 11600 | Is no God | £ 996,748,677 | |
