18 companies · click a column to sort
| Company | Sector | Country | HQ | Founded | Listing |
|---|---|---|---|---|---|
| JHJack Hammer Global | Other sectors | South Africa | Cape Town | — | — |
| JBJaiz Bank | Banking & finance | Nigeria | Abuja | 2003 | — |
| JFJesa Farm Dairy Limited | Agriculture & food | Uganda | Kampala | 1994 | — |
| JIJirama | Oil, gas & power | Madagascar | Antananarivo | 1975 | — |
| JLJLog | Transport & logistics | South Africa | Cape Town | 2019 | — |
 Jobberman | Telecoms & internet | Nigeria | Lagos | 2009 | — |
| JSJohannesburg Stock Exchange | Other sectors | South Africa | Johannesburg | 1887 | Johannesburg Stock Exchange JSE |
| JHJohn Holt plc | Other sectors | United Kingdom | Lagos | 1897 | — |
| JWJonsson Workwear | Retail & consumer | South Africa | Durban | 1968 | — |
| JIJosreal Innovative Services Limited | Technology | Nigeria | Lagos | 2025 | — |
| JMJourney Morocco | Tourism & hospitality | Morocco | Beverly Hills | 2010 | — |
| JSJSWT | Media & entertainment | Nigeria | Abeokuta South | 2020 | — |
| JAJubaili Agrotech | Agriculture & food | Nigeria | Abuja | 2010 | — |
| JIJubilee Insurance | Banking & finance | Kenya | Nairobi | 1937 | — |
| JFJuhayna Food Industries | Agriculture & food | Egypt | 6th of October City | 1983 | — |
| JBJulius Berger Nigeria | Construction & property | Nigeria | Abuja | 1950 | Nigerian Exchange Group JBERGER |
 Jumià | Retail & consumer | Nigeria | Ikeja | 2012 | JMIA |
| JPJumong Project | Construction & property | Nigeria | Jahi | 2019 | — |
Source: Wikidata (CC0)updated October 2026