The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 12001 | Jujutsu Kaisen | £ 91,382,447 | |
| 12002 | Julia Koch Pte Ltd | £ 242,540,716 | |
| 12003 | Julius Caesar | £ 2,192,025,556 | |
| 12004 | July | £ 159,431,388 | |
| 12005 | July Parade | £ 1,277,997,502 | |
| 12006 | Jump Man | £ 5,501,580 | |
| 12007 | jumping and humming | £ 73,396,071 | |
| 12008 | jumpingjamie | £ 3,641,582 | |
| 12009 | June 1815 | £ 50,327,837 | |
| 12010 | Junga | £ -57,373 | |
| 12011 | Jungite Aut Perite | £ 5,571,629 | |
| 12012 | Jungle | £ 742,008,461 | |
| 12013 | jungle entre | £ 50,000 | |
| 12014 | jungle. | £ 44,097,920 | |
| 12015 | Junglefever | £ 24,861,201 | |
| 12016 | Juniper Construction | £ 79,115,384 | |
| 12017 | Junk | £ 431,654,334 | |
| 12018 | junk inc | £ 51,980,399 | |
| 12019 | junk inc 2 | £ 50,341,854 | |
| 12020 | junk inc 3 | £ 9,989,938 | |
| 12021 | junk inc 4 | £ 5,500,018 | |
| 12022 | junk inc 5 | £ 7,606,826 | |
| 12023 | JunkCity INC | £ 10,407,977 | |
| 12024 | Juno and Roux | £ 14,753,398 | |
| 12025 | Jupiler | £ 5,683,388 | |
| 12026 | jupiter | £ 1,355,152 | |
| 12027 | Jupiter Mining Corp | £ 28,925,807 | |
| 12028 | Jura | £ 1,692,205,426 | |
| 12029 | Jurassic Park | £ 48,039,349 | |
| 12030 | Jurassic Pork | £ 96,094,152 | |
| 12031 | Jurgen Klopp | £ 43,068,806 | |
| 12032 | Jurrassic Park | £ 2,605,916 | |
| 12033 | jurs | £ 288,656,507 | |
| 12034 | Just | £ 28,365,142 | |
| 12035 | Just A Day | £ 26,082,013 | |
| 12036 | Just A Dream | £ 12,265,757 | |
| 12037 | Just Bombing | £ 59,782,940 | |
| 12038 | Just Cruising | £ 51,840,501 | |
| 12039 | Just Eat | £ 64,226,737 | |
| 12040 | Just For You | £ 17,400,978 | |
| 12041 | Just Keep Going | £ 41,500,000 | |
| 12042 | just let me be | £ 6,707,944 | |
| 12043 | Just one more | £ 136,190,198 | |
| 12044 | Just Passing Through | £ 5,742,812,728 | |
| 12045 | Just Retribution | £ 6,953,544 | |
| 12046 | Just Sofa King Cool | £ 9,519,130 | |
| 12047 | Just starting out | £ 10,971,118 | |
| 12048 | Just Tapping It In | £ 44,303,609 | |
| 12049 | Just The Tip | £ 279,851,937 | |
| 12050 | Just to Aim You | £ 243,977 | |
| 12051 | just waking up | £ 127,609,044 | |
| 12052 | JUST WANT TO HAVE FUN | £ 1,131,397,881 | |
| 12053 | justamoment | £ 17,544,165 | |
| 12054 | Justice | £ 137,228,468 | |
| 12055 | Justice League | £ 7,416,986 | |
| 12056 | Justice Leak | £ 35,988,289 | |
| 12057 | Justin | £ 42,253,526 | |
| 12058 | Justin Bieber | £ 27,561,000 | |
| 12059 | Justin Sane Holdings | £ -21,069,787 | |
| 12060 | justin4 | £ 6,356,313 | |
| 12061 | JW Enterprises | £ -1,450,018 | |
| 12062 | JW Enterprises 2 | £ 22,945,339 | |
| 12063 | JW Enterprises 3 | £ 50,000 | |
| 12064 | JW Enterprises 4 | £ 50,000 | |
| 12065 | Jwingly | £ 5,534,464 | |
| 12066 | jworldbaby | £ 50,000 | |
| 12067 | k corporation | £ 110,877,229 | |
| 12068 | K Inc | £ 1,555,269 | |
| 12069 | K International | £ 2,087,656 | |
| 12070 | K K Downing | £ 1,008,895,327 | |
| 12071 | K1-MAX | £ 56,042,525 | |
| 12072 | K9 and Company | £ 10,611,205 | |
| 12073 | K9 Associates | £ 50,000 | |
| 12074 | KA Holdings Corp | £ 6,818,486 | |
| 12075 | Kabam | £ 105,435,232 | |
| 12076 | kabanyaka | £ 37,379,885 | |
| 12077 | kaboom | £ 13,912,493 | |
| 12078 | Kaboom Co | £ 81,203,546 | |
| 12079 | kaboom1 | £ 3,330,507 | |
| 12080 | kabooooom | £ 674,119 | |
| 12081 | Kadabra | £ 61,607,571 | |
| 12082 | Kade Inc. | £ 5,461,496 | |
| 12083 | Kade Inc. 2 | £ 200,000 | |
| 12084 | Kade Inc. 3 | £ 164,379 | |
| 12085 | Kael | £ 237,447,436 | |
| 12086 | Kafka Ltd | £ 31,546,017 | |
| 12087 | Kagawa Kollective | £ 5,483,368 | |
| 12088 | Kagazura | £ 11,876,358 | |
| 12089 | Kage Inc | £ 1,319,175 | |
| 12090 | Kagero | £ 3,445,787 | |
| 12091 | kahuna | £ 88,187,836 | |
| 12092 | kaiser ltd | £ 783,393,986 | |
| 12093 | Kajira Industries | £ -3,600,600 | |
| 12094 | Kakorrhaphiophobia | £ 50,200,911 | |
| 12095 | Kalamitys | £ 5,359,945 | |
| 12096 | Kalatakaya | £ 433,336,119 | |
| 12097 | Kaldera | £ 53,561,134 | |
| 12098 | KallieKarate | £ 59,857,180 | |
| 12099 | Kama Sutra | £ 213,600,872 | |
| 12100 | Kamag | £ 206,656,602 | |
