The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 20901 | x ray | £ 16,075,137 | |
| 20902 | x-9 | £ 4,945,941 | |
| 20903 | X-Files | £ 106,642,106 | |
| 20904 | X-Men | £ 7,489,353 | |
| 20905 | x10 | £ 8,373,026 | |
| 20906 | X13 | £ 5,504,801 | |
| 20907 | X14 | £ 5,502,508 | |
| 20908 | X15 | £ 4,345,034 | |
| 20909 | X16 | £ 1,948,814 | |
| 20910 | x99 | £ 3,894,345 | |
| 20911 | Xalin INC | £ 5,506,671 | |
| 20912 | Xanadu | £ 645,066,775 | |
| 20913 | Xanax | £ 3,616,625 | |
| 20914 | Xavier | £ 50,000 | |
| 20915 | Xavier Academy | £ 58,111,576 | |
| 20916 | Xblp | £ 18,266,114 | |
| 20917 | XBMC | £ 8,846,915 | |
| 20918 | XBOX | £ 36,811,442 | |
| 20919 | Xboxone Graphics | £ 3,754,617 | |
| 20920 | xbtg983 | £ 5,346,408 | |
| 20921 | Xcpt | £ 9,734,803 | |
| 20922 | Xctr | £ 4,072,929 | |
| 20923 | Xcty | £ 2,253,208 | |
| 20924 | Xelor | £ 4,308,967,323 | |
| 20925 | Xena | £ 267,824,790 | |
| 20926 | Xenia Dynamics | £ 878,493 | |
| 20927 | Xenogenic Corporation | £ 749,894 | |
| 20928 | Xenomancy | £ 9,472,207 | |
| 20929 | Xenon Industries | £ 54,318,651 | |
| 20930 | Xenon Nova | £ 1,022,359,075 | |
| 20931 | xenoxe | £ 31,924,953 | |
| 20932 | xenoxe2 | £ 9,855,120 | |
| 20933 | xenoxe3 | £ 12,384,066 | |
| 20934 | xenoxe4 | £ 12,115,834 | |
| 20935 | xenoxe5 | £ 7,284 | |
| 20936 | Xeon | £ 5,515,731 | |
| 20937 | Xero | £ 5,510,204 | |
| 20938 | Xero Holdings | £ 2,226,003 | |
| 20939 | Xerxes | £ 6,963,048 | |
| 20940 | xFactor | £ 27,458,976 | |
| 20941 | Xfld | £ 18,107,910 | |
| 20942 | Xflm | £ 5,314,454 | |
| 20943 | Xflp | £ 12,369,474 | |
| 20944 | Xfrd | £ 1,467,781 | |
| 20945 | Xfrm | £ 15,423,652 | |
| 20946 | Xglw | £ 112,917 | |
| 20947 | Xham | £ 16,143,524 | |
| 20948 | Xhat | £ 1,942,627 | |
| 20949 | Xhch | £ 12,083,174 | |
| 20950 | Xhgh | £ 3,348,051 | |
| 20951 | Xian | £ 5,551,266 | |
| 20952 | Xiao | £ 5,496,192 | |
| 20953 | Xin Hua | £ -146,534 | |
| 20954 | xkcd | £ 65,715,103 | |
| 20955 | Xlot | £ 18,987,407 | |
| 20956 | Xlow | £ 8,097,447 | |
| 20957 | Xmap | £ 7,949,291 | |
| 20958 | Xmas Pasts | £ 58,172,094 | |
| 20959 | Xmassucks | £ 12,675,389 | |
| 20960 | Xmat | £ 34,119,336 | |
| 20961 | Xmax | £ 1,641,062 | |
| 20962 | Xmen | £ 3,954,740 | |
| 20963 | Xmin | £ 17,876,768 | |
| 20964 | Xmnt | £ 11,681,322 | |
| 20965 | Xmpt | £ 5,471,276 | |
| 20966 | Xndl | £ 22,522,975 | |
| 20967 | Xnew | £ 17,874,381 | |
| 20968 | XOBNi | £ 126,280,770 | |
| 20969 | Xold | £ 16,381,257 | |
| 20970 | Xoriat-Khaiba | £ 6,999,598 | |
| 20971 | Xp3rtZ | £ 1,022,937 | |
| 20972 | Xpct | £ 2,303,736 | |
| 20973 | Xperia | £ 31,968,553 | |
| 20974 | Xphn | £ 22,467,695 | |
| 20975 | Xpip | £ 459,242 | |
| 20976 | Xpld | £ 14,910,755 | |
| 20977 | Xpln | £ 33,799,859 | |
| 20978 | Xplt | £ 31,984,340 | |
| 20979 | xpnatrax | £ 386,549,076 | |
| 20980 | Xpnd | £ 26,817,845 | |
| 20981 | Xpop | £ 9,966,757 | |
| 20982 | Xprs | £ 10,683,833 | |
| 20983 | Xprt | £ 661,167 | |
| 20984 | Xray | £ 25,615,631 | |
| 20985 | Xrpt | £ 2,039,310 | |
| 20986 | xSSx | £ 6,639,274 | |
| 20987 | Xstn | £ 488,382 | |
| 20988 | Xstp | £ 1,564,283 | |
| 20989 | Xstr | £ 800,838 | |
| 20990 | Xtal | £ 1,758,584 | |
| 20991 | XTC | £ 1,126,941,027 | |
| 20992 | Xtde | £ 1,418,492 | |
| 20993 | Xtic | £ 12,821,258 | |
| 20994 | Xtnd | £ 9,977,342 | |
| 20995 | Xtnt | £ 24,840,129 | |
| 20996 | Xtoc | £ 9,695,343 | |
| 20997 | Xtoe | £ 658,248 | |
| 20998 | Xtoz | £ 1,141,364 | |
| 20999 | Xtreme Inc | £ 6,975,106 | |
| 21000 | Xtrn | £ 1,793,962 | |
