Firma J - Gvarv
- Janina AS
- Jernbaneteknikk AS
- Jeyaseelan
- Jostein Vegheim
- Jon Jordheim
- Jon Hesthag
- Jon Sæland
- Job Grimsrud
- Jesam Eiendom AS
- Jonny Andvik
- Jo Henning Kåsin
- Jonathan Schei Heyerdahl
- Jon Hallen Laskemoen
- Janne Margrethe Severinsen
- J. H. Findal
- John Harald Folkestad
- Jan Birger Akerhaugen
- Jehovas Vitner - Bø Menighet
- Julie Enebo Grimstad Gårdsbruk
- Juvenil Jon Jarle Haugen
- Jehovas Vitner Notodden Menighet
- Jo David Meyer Lysne
- J & Ad Bilauto AS