The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 19901 | Silver Inc | £ 10,197,661 | |
| 19902 | Silver Lantern | £ 50,000 | |
| 19903 | Silver Plated Netrobucks | £ 169,274,529 | |
| 19904 | Silver Pot | £ 51,650,566 | |
| 19905 | Silver Shamrock Inc | £ 2,317,866 | |
| 19906 | Silver Spoon Cafe | £ 792,491,994 | |
| 19907 | Silver Surfer | £ 759,831,118 | |
| 19908 | Silver Wings | £ 1,381,690,294 | |
| 19909 | Silverdale St | £ 30,471,547 | |
| 19910 | Silvermoon Enterprises | £ -214,855 | |
| 19911 | Silvertide Enterprises | £ -1,627,976 | |
| 19912 | silvra | £ 54,285,205 | |
| 19913 | Sim City3 | £ 2,672,113 | |
| 19914 | SimCity | £ 92,319,824 | |
| 19915 | Simcoe County | £ 5,557,781 | |
| 19916 | SimEarth | £ 30,060,979 | |
| 19917 | Simon Cowells posterior | £ 240,514,908 | |
| 19918 | Simon Fraser University | £ 119,553,446 | |
| 19919 | Simon The Sprout | £ 392,953,118 | |
| 19920 | Simple | £ 199,139,466 | |
| 19921 | Simple Inc. | £ 161,992,874 | |
| 19922 | Simple Things | £ 55,697,089 | |
| 19923 | simple things in life | £ -150,921 | |
| 19924 | Simpleton Co. | £ 154,696,172 | |
| 19925 | Simplicity | £ 73,991,816 | |
| 19926 | Simply Caesar | £ 95,974,460 | |
| 19927 | simply does it | £ 16,297,060 | |
| 19928 | simply nuts | £ 3,357,807 | |
| 19929 | Simply Sane Products | £ 46,396,437 | |
| 19930 | Simply Subsidiary | £ 23,554,862 | |
| 19931 | simplysouthern | £ 404,043 | |
| 19932 | Sims Company | £ 69,553,563 | |
| 19933 | Simulation | £ 4,647,866 | |
| 19934 | Sin | £ 882,690,513 | |
| 19935 | Sin City | £ 92,965,888 | |
| 19936 | Sin Co | £ 617 | |
| 19937 | Sin Industries | £ 1,511,830 | |
| 19938 | Sin Sentido | £ 253,153,436 | |
| 19939 | Sinaloa | £ 561,161,621 | |
| 19940 | Sinaloa Cartel | £ 102,795,331 | |
| 19941 | Sinar | £ 69,049,848 | |
| 19942 | Sinatra Select | £ 636,672,700 | |
| 19943 | Sinbad the sailor | £ 214,550,415 | |
| 19944 | Since 1796 | £ 69,471,127 | |
| 19945 | Since Day One | £ 2,346,339,296 | |
| 19946 | sincity | £ 207,710,495 | |
| 19947 | Sinclair | £ 5,689,417 | |
| 19948 | Sinclair Girnigoe | £ 1,133,668,388 | |
| 19949 | Sindar | £ 5,505,299 | |
| 19950 | SINDATERA | £ 4,301,225 | |
| 19951 | Singani | £ 10,311,313,621 | |
| 19952 | Singapore | £ 453,579,334 | |
| 19953 | Singaporean Gang | £ 2,194,076,225 | |
| 19954 | Singapura | £ 51,209,029 | |
| 19955 | Singh | £ 10,715,804 | |
| 19956 | singham inc | £ 10,963,284 | |
| 19957 | SinghLTD2 | £ 10,446,400 | |
| 19958 | Single Barrel | £ 988,439,929 | |
| 19959 | Single Malt | £ 16,426,947 | |
| 19960 | Single Moms | £ 65,179,425 | |
| 19961 | Sinic Leccy Co | £ 477,855,468 | |
| 19962 | Sinister | £ 1,271,414 | |
| 19963 | Sinister Minister | £ 1,141,820,372 | |
| 19964 | Sink Ships | £ 269,509,457 | |
| 19965 | Sinkain INC | £ 1,959,845 | |
| 19966 | Sinking Ships | £ 81,355,767 | |
| 19967 | Sinners | £ 338,520,161 | |
| 19968 | Sino Group | £ 119,431,446 | |
| 19969 | sins | £ 1,105,930,002 | |
| 19970 | Sioux | £ 1,319,765 | |
| 19971 | sip | £ 4,947,048 | |
| 19972 | SIPAPIAS | £ -5,901,721 | |
| 19973 | Sipledome | £ -8,748,379 | |
| 19974 | Sipral | £ 5,507,397 | |
| 19975 | sips co | £ 5,109,034 | |
| 19976 | Sir Humphry | £ 491,344,886 | |
| 19977 | Siren | £ 17,058,704 | |
| 19978 | Sirfound inc | £ -9,263 | |
| 19979 | Sirfound inc2 | £ -3,544 | |
| 19980 | sirius co.uk | £ 539,750,591 | |
| 19981 | Sisko | £ 50,000 | |
| 19982 | sister | £ 562,523,191 | |
| 19983 | Sister Sage | £ -4,405,048 | |
| 19984 | Sisters | £ 47,242,309 | |
| 19985 | Sisyphean | £ 48,163,924 | |
| 19986 | Sisyphus | £ 5,393,053 | |
| 19987 | Sit back | £ 985,457,160 | |
| 19988 | Sithis | £ 235,713 | |
| 19989 | Situational Ethics | £ 198,870,320 | |
| 19990 | Sitwel Ent. | £ 13,506,917 | |
| 19991 | Six Feet Under Ltd | £ -1,091,275 | |
| 19992 | Six More | £ 248,598,527 | |
| 19993 | Six Sigma | £ 1,002,493,306 | |
| 19994 | Sixpence None The Richer | £ 590,722,080 | |
| 19995 | Sixteen Tons | £ 16,844,742 | |
| 19996 | Sixteen Vestal Virgins | £ 121,263,981 | |
| 19997 | sixteenth sixes | £ 113,361,305 | |
| 19998 | sixth army | £ 114,993,130 | |
| 19999 | Sixty Nine | £ 341,328,441 | |
| 20000 | Size | £ 1,820,983 | |
