The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 20301 | Spinners | £ 9,611,329 | |
| 20302 | Spinning Boulders | £ 98,685,077 | |
| 20303 | Spinster | £ 2,672,847 | |
| 20304 | spinyboxfish | £ 5,433,516 | |
| 20305 | Spiral Galaxy | £ 116,383,860 | |
| 20306 | Spire Templar Inc | £ 40,828 | |
| 20307 | Spires ltd | £ 36,724,579 | |
| 20308 | Spiridonov | £ 78,309,930 | |
| 20309 | Spirit of Freedom | £ 9,684,382 | |
| 20310 | Spiritual Thoughts | £ 1,185,374,020 | |
| 20311 | Spit Fire | £ 5,551,211 | |
| 20312 | Spite | £ 310,964,040 | |
| 20313 | Spitfire Trading | £ 48,680 | |
| 20314 | spitfireco | £ 97,930,398 | |
| 20315 | Splaaterpoop | £ 4,159,923 | |
| 20316 | splash | £ 2,287,106 | |
| 20317 | Splat Enterprises | £ 49,607,152 | |
| 20318 | splatterpoop | £ 3,659,312 | |
| 20319 | splatts | £ 11,623,636 | |
| 20320 | splimeraw | £ 21,110,620 | |
| 20321 | Splinter Cell | £ 50,852,714 | |
| 20322 | Split Personality | £ 49,737,109 | |
| 20323 | Splitting the Bamboo | £ 25,505,637 | |
| 20324 | Spoetzl Brew Co. | £ 5,503,636 | |
| 20325 | Spongebob | £ 638,000,922 | |
| 20326 | sponges | £ 128,103,338 | |
| 20327 | Spontaneous combustion | £ 627,638,533 | |
| 20328 | spook | £ 66,407 | |
| 20329 | Spooks | £ 13,979,578 | |
| 20330 | spooky | £ 109,820,421 | |
| 20331 | Spoons | £ 197,605,207 | |
| 20332 | Spoony | £ 1,790,194 | |
| 20333 | sport | £ 277,116,653 | |
| 20334 | sport135 | £ 65,913,319 | |
| 20335 | Sports Options Limited | £ 19,219,328 | |
| 20336 | Spot on | £ 359,492,568 | |
| 20337 | Spot Shot | £ 304,036,627 | |
| 20338 | Spots | £ 4,380,222 | |
| 20339 | Spotted Green Shells | £ 235,787,449 | |
| 20340 | Spotted Richard Cleaners | £ 827,497 | |
| 20341 | SprayPaint | £ 1,298,229 | |
| 20342 | Spreader of Illwill | £ 37,333,095 | |
| 20343 | Spring | £ 490,197,562 | |
| 20344 | Spring Garden | £ 7,911,726 | |
| 20345 | Spring Water | £ 47,545,145 | |
| 20346 | Springfield | £ 365,478,507 | |
| 20347 | Springfield Energy | £ 28,463,036 | |
| 20348 | Springfield Nuclear | £ 118,856,090 | |
| 20349 | Springfield Secondary | £ 2,827,396,051 | |
| 20350 | Springfield Town Hall | £ 1,192,281,955 | |
| 20351 | Springkilled | £ 1,269,321 | |
| 20352 | Springs | £ 10,198,183 | |
| 20353 | SpringShield | £ 5,497,507 | |
| 20354 | Sprinks Inc | £ 4,390,671 | |
| 20355 | Sprint Racing | £ 43,953,485 | |
| 20356 | sprockets | £ 53,703,137 | |
| 20357 | Sprockets Inc | £ 5,030,706 | |
| 20358 | Spuds | £ 497,366,429 | |
| 20359 | spuds. | £ 4,352,480,083 | |
| 20360 | spuff plc | £ 5,506,207 | |
| 20361 | Spunk | £ 2,293,521,269 | |
| 20362 | Spunty | £ 50,000 | |
| 20363 | Sputnik 1 | £ 201,994,262 | |
| 20364 | spyhunter inc | £ -11,388,259 | |
| 20365 | spypro | £ -350,929 | |
| 20366 | SQplus | £ 4,949,127 | |
| 20367 | squad | £ 53,367,943 | |
| 20368 | Squad-E | £ 2,286,465 | |
| 20369 | Squadron of Levant | £ 32,567,506 | |
| 20370 | Square 1 | £ 3,975,862 | |
| 20371 | Square Hammer | £ 175,069,946 | |
| 20372 | Square Jaw | £ 841,222,378 | |
| 20373 | Square Pants | £ 313,898,098 | |
| 20374 | squares and pixels | £ 5,766,688 | |
| 20375 | Squat | £ 269,297,736 | |
| 20376 | Squattera Rights | £ 67,413,769 | |
| 20377 | Squeeky clean | £ 42,174,445 | |
| 20378 | Squid Co | £ 110,348,365 | |
| 20379 | Squid Game | £ 1,171,265,899 | |
| 20380 | Squid Inc | £ 5,510,183 | |
| 20381 | squid killer | £ 964,475 | |
| 20382 | Squiggle and Giggle Inc | £ 690,976,692 | |
| 20383 | squirrel INC | £ 1,697,949 | |
| 20384 | Squirrels | £ 190,551,566 | |
| 20385 | Squirts | £ 3,328,189 | |
| 20386 | Squishy Squid | £ 1,794,797 | |
| 20387 | SR-71 Blackbird | £ 51,098,916 | |
| 20388 | Srbski | £ 63,885,839 | |
| 20389 | Sri Lanka | £ 842,505,943 | |
| 20390 | SRU Enterprises | £ 4,320,914 | |
| 20391 | Srwhite1 | £ 3,314,802 | |
| 20392 | Srwhite2 | £ 9,193,427 | |
| 20393 | Srwhite3 | £ 7,848,712 | |
| 20394 | Srwhite4 | £ 9,006,108 | |
| 20395 | Srwhite5 | £ 8,338,399 | |
| 20396 | SS Destroyer | £ 139,610,793 | |
| 20397 | SS Minow Johnson | £ 149,007,271 | |
| 20398 | St Domingo | £ 79,968,998 | |
| 20399 | St Elmos Fire | £ 251,079,062 | |
| 20400 | St Gaudens | £ 1,292,934,651 | |
