The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10201 | Ireland | £ 5,965,992 | |
| 10202 | iReps | £ 2,223,311 | |
| 10203 | Irish Bomber | £ 50,000 | |
| 10204 | Irish Charm | £ 30,032 | |
| 10205 | Irish Red Inc | £ 5,507,308 | |
| 10206 | Irish Republican Army | £ 191,860,837 | |
| 10207 | Irish Wrecking Ball | £ 5,052,671 | |
| 10208 | Irish_Eejit | £ 18,195,704 | |
| 10209 | iron | £ 27,511,144 | |
| 10210 | iron banana | £ 138,370,638 | |
| 10211 | Iron Brew | £ 60,152,848 | |
| 10212 | Iron hammer | £ 116,168,800 | |
| 10213 | Iron Man | £ 7,871,863 | |
| 10214 | Iron Mike Tyson | £ 367,430,494 | |
| 10215 | Iron warx | £ 301,188,768 | |
| 10216 | Iron werx | £ 472,037,312 | |
| 10217 | Iron word | £ 528,309,488 | |
| 10218 | Ironic | £ 83,154,977 | |
| 10219 | Ironic Occurrence | £ 294,241,015 | |
| 10220 | Ironic Titles | £ 427,775 | |
| 10221 | Ironing bored | £ 60,780,179 | |
| 10222 | IronMan | £ 5,506,372 | |
| 10223 | Ironmann | £ 11,545,377 | |
| 10224 | Ironn | £ 10,832,104 | |
| 10225 | ironstone | £ 49,003,303 | |
| 10226 | iRRatiOnaL GoOse | £ 320,794,697 | |
| 10227 | irrational numbers | £ 5,502,185 | |
| 10228 | Irrationality | £ 895,683,215 | |
| 10229 | Irrefutability | £ 5,683,401,302 | |
| 10230 | Irreplaceable | £ 951,082,938 | |
| 10231 | Irreverentlie | £ 140,222,074 | |
| 10232 | Irrigation Expert Co | £ 39,980,637 | |
| 10233 | Irrigation Expert Co. | £ 22,530,951 | |
| 10234 | Irrigation Expert Co.. | £ 5,502,700 | |
| 10235 | Irrigation Expert Co... | £ 3,943,383 | |
| 10236 | Irrigation Expert Co.... | £ 5,507,560 | |
| 10237 | Iruga | £ 9,864,157 | |
| 10238 | Irun Bru | £ 993,675 | |
| 10239 | is a crowd | £ 1,043,336,631 | |
| 10240 | is awesome | £ 12,296,497 | |
| 10241 | is coming | £ 305,209,009 | |
| 10242 | Is Hott a Lott | £ 1,655,634 | |
| 10243 | Is it Time yet | £ 911,955,935 | |
| 10244 | Is no God | £ 694,957,747 | |
| 10245 | Is not tomorrow | £ 131,634,041 | |
| 10246 | is too great 69 | £ 762,229 | |
| 10247 | Is Useless | £ 120,551,425 | |
| 10248 | Is worth the Chase | £ 112,313,702 | |
| 10249 | isa | £ 66,754,452 | |
| 10250 | isabelle | £ 17,944,384 | |
| 10251 | Isanoob | £ 6,711,431 | |
| 10252 | Isawmyfishdie | £ -23,197 | |
| 10253 | ISHACs Online Time | £ 3,340,444 | |
| 10254 | Ishkur Emilia | £ 49,153,828 | |
| 10255 | ISIS | £ 953,987 | |
| 10256 | isitskill | £ 1,879,352 | |
| 10257 | Islay Malt | £ 1,451,127,863 | |
| 10258 | isolation | £ 113,612,304 | |
| 10259 | Isomnitech | £ 4,833,754 | |
| 10260 | Isomnitech2 | £ 3,839,327 | |
| 10261 | Ispep | £ 93,909,371 | |
| 10262 | Israel | £ 447,956,449 | |
| 10263 | Israeli Mossad | £ 459,807,833 | |
| 10264 | Israeli Shabak | £ 406,653,015 | |
| 10265 | iss | £ 1,655,611 | |
| 10266 | issues | £ 265,118,150 | |
| 10267 | IsSweet | £ 95,517,466 | |
| 10268 | Istanbul | £ 1,523,529,415 | |
| 10269 | Istari Incorporated | £ 178,082,232 | |
| 10270 | It All | £ 423,487,180 | |
| 10271 | It all Begins | £ 374,834,782 | |
| 10272 | It doesnt even matter | £ 54,317,166 | |
| 10273 | it in peace | £ 1,211,016,388 | |
| 10274 | It Is On | £ -31 | |
| 10275 | IT STARTED IN A LAB | £ 3,737,235 | |
| 10276 | It Was Me | £ 4,689,219 | |
| 10277 | It Was Not Me | £ 47,717,386 | |
| 10278 | It wasnt me | £ -1,511,969 | |
| 10279 | it you sissy | £ 7,436,440 | |
| 10280 | It. | £ 31,426,274 | |
| 10281 | Italia | £ 11,477,369 | |
| 10282 | Italia 90 | £ 599,326,955 | |
| 10283 | Italia250 | £ 10,218,183 | |
| 10284 | Italia458 | £ 10,954,486 | |
| 10285 | iTALIAN mOB | £ 3,096,865 | |
| 10286 | Italian Virginity | £ 7,010,156 | |
| 10287 | Italiano Inc | £ 73,757,136 | |
| 10288 | Italy | £ 10,959,839 | |
| 10289 | ItalysGrimReaper | £ 4,607,865 | |
| 10290 | Itaylee | £ 54,472,196 | |
| 10291 | Itch | £ 120,105,241 | |
| 10292 | Itchycoo | £ 19,734,040 | |
| 10293 | Itek Corporation | £ 5,502,668 | |
| 10294 | itiswhatitis | £ 2,023,294 | |
| 10295 | Its A Madness | £ 96,950,544 | |
| 10296 | Its an illusion | £ 573,172,121 | |
| 10297 | Its Cold Outside | £ 27,441,140 | |
| 10298 | Its Coming Home | £ 62,168,584 | |
| 10299 | Its Easy | £ 2,493,724 | |
| 10300 | Its Gone | £ 69,164,894 | |
