The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 20401 | splatterpoop | £ 3,659,312 | |
| 20402 | splatts | £ 11,623,636 | |
| 20403 | splimeraw | £ 21,110,620 | |
| 20404 | Splinter Cell | £ 50,852,714 | |
| 20405 | Split Personality | £ 49,737,109 | |
| 20406 | Splitting the Bamboo | £ 25,505,637 | |
| 20407 | Spoetzl Brew Co. | £ 5,503,636 | |
| 20408 | Spongebob | £ 638,000,922 | |
| 20409 | sponges | £ 128,103,338 | |
| 20410 | Spontaneous combustion | £ 627,638,533 | |
| 20411 | spook | £ 66,407 | |
| 20412 | Spooks | £ 13,979,578 | |
| 20413 | spooky | £ 109,820,421 | |
| 20414 | Spoons | £ 197,605,207 | |
| 20415 | Spoony | £ 1,790,194 | |
| 20416 | sport | £ 277,116,653 | |
| 20417 | sport135 | £ 65,913,319 | |
| 20418 | Sports Options Limited | £ 1,219,328 | |
| 20419 | Spot on | £ 359,492,568 | |
| 20420 | Spot Shot | £ 304,036,627 | |
| 20421 | Spots | £ 4,380,222 | |
| 20422 | Spotted Green Shells | £ 234,512,007 | |
| 20423 | Spotted Richard Cleaners | £ 827,497 | |
| 20424 | SprayPaint | £ 1,298,229 | |
| 20425 | Spreader of Illwill | £ 37,333,095 | |
| 20426 | Spring | £ 490,197,562 | |
| 20427 | Spring Garden | £ 7,911,726 | |
| 20428 | Spring Water | £ 47,545,145 | |
| 20429 | Springfield | £ 365,478,507 | |
| 20430 | Springfield Energy | £ 28,463,036 | |
| 20431 | Springfield Nuclear | £ 118,856,090 | |
| 20432 | Springfield Secondary | £ 2,827,396,051 | |
| 20433 | Springfield Town Hall | £ 1,231,717,286 | |
| 20434 | Springkilled | £ 1,269,321 | |
| 20435 | Springs | £ 10,198,183 | |
| 20436 | SpringShield | £ 5,497,507 | |
| 20437 | Sprinks Inc | £ 4,390,671 | |
| 20438 | Sprint Racing | £ 41,442,523 | |
| 20439 | sprockets | £ 53,703,137 | |
| 20440 | Sprockets Inc | £ 5,030,706 | |
| 20441 | Spuds | £ 497,366,429 | |
| 20442 | spuds. | £ 4,352,480,083 | |
| 20443 | spuff plc | £ 5,506,207 | |
| 20444 | Spunk | £ 2,293,521,269 | |
| 20445 | Spunty | £ 50,000 | |
| 20446 | Sputnik 1 | £ 201,994,262 | |
| 20447 | spyhunter inc | £ -11,388,259 | |
| 20448 | spypro | £ -350,929 | |
| 20449 | SQplus | £ 4,949,127 | |
| 20450 | squad | £ 59,643,937 | |
| 20451 | Squad-E | £ 2,286,465 | |
| 20452 | Squadron of Levant | £ 42,356,373 | |
| 20453 | Square 1 | £ 3,975,862 | |
| 20454 | Square Hammer | £ 177,453,740 | |
| 20455 | Square Jaw | £ 861,810,481 | |
| 20456 | Square Pants | £ 313,898,098 | |
| 20457 | squares and pixels | £ 5,766,688 | |
| 20458 | Squat | £ 269,297,736 | |
| 20459 | Squattera Rights | £ 67,413,769 | |
| 20460 | Squeeky clean | £ 35,839,499 | |
| 20461 | Squid Co | £ 110,348,365 | |
| 20462 | Squid Game | £ 1,267,921,548 | |
| 20463 | Squid Inc | £ 5,510,183 | |
| 20464 | Squid Ink | £ 3,561,197 | |
| 20465 | squid killer | £ 964,475 | |
| 20466 | Squiggle and Giggle Inc | £ 690,976,692 | |
| 20467 | squirrel INC | £ 1,697,949 | |
| 20468 | Squirrels | £ 190,551,566 | |
| 20469 | Squirts | £ 3,328,189 | |
| 20470 | Squishy Squid | £ 1,794,797 | |
| 20471 | SR-71 Blackbird | £ 51,098,916 | |
| 20472 | Srbski | £ 63,885,839 | |
| 20473 | Sri Lanka | £ 842,505,943 | |
| 20474 | SRU Enterprises | £ 4,320,914 | |
| 20475 | Srwhite1 | £ 3,314,802 | |
| 20476 | Srwhite2 | £ 9,193,427 | |
| 20477 | Srwhite3 | £ 7,848,712 | |
| 20478 | Srwhite4 | £ 9,006,108 | |
| 20479 | Srwhite5 | £ 8,338,399 | |
| 20480 | SS Destroyer | £ 139,610,793 | |
| 20481 | SS Minow Johnson | £ 149,007,271 | |
| 20482 | St Domingo | £ 79,968,998 | |
| 20483 | St Elmos Fire | £ 251,079,062 | |
| 20484 | St Gaudens | £ 1,292,934,651 | |
| 20485 | St Gennys Krack | £ -203,036 | |
| 20486 | st george | £ 299,285,822 | |
| 20487 | St John | £ 182,306,504 | |
| 20488 | St Louis | £ 950,000 | |
| 20489 | St Louis Blues | £ 71,402,532 | |
| 20490 | St Petersburg | £ 96,162,647 | |
| 20491 | st pierre | £ 57,579,061 | |
| 20492 | St Trinians | £ 169,693,540 | |
| 20493 | St Tropez | £ 2,458,972,934 | |
| 20494 | St. Azrael | £ 8,516,186 | |
| 20495 | St. Gabriel | £ 8,631,942 | |
| 20496 | St. James | £ 60,242,459 | |
| 20497 | St. Louis | £ 47,098,251 | |
| 20498 | St. Michael | £ 5,503,934 | |
| 20499 | St. Peter and St. Paul | £ 743,280,627 | |
| 20500 | St. Ramiel | £ 8,104,855 | |
