Bedrift J - Stathelle
- Johansen
- Jordon AS
- Joachim Martinsen
- Juvelen Brotorvet
- Jordon Consulting AS
- Jds Holding AS
- Jernia Brotorvet
- Jmgs Invest AS
- Jon Lunden
- Jensen Sten
- Jorunn Siljan
- Jørn Siljan
- Jens Tangen
- Joblo Holding AS
- Jamru Holding AS
- Jens Tjellaug
- Jmeb Eiendom AS
- JM Byggservice AS
- Jome Invest AS
- Johnny Karlsen
- Jøntvedt Maskin
- Jarle Fossing
- Jarle Westgård
- Jarle Bleikelia
- Jk Hus AS
- Jørn Klemmetvold
- Jtm - Bygg AS
- Joker Trosby
- Jarle Lauvstad-Wormdahl
- Jorunn Juliussen Holth
- Jan August Bolstad
- Jon Einar Bergsland
- Johannes B Garstad
- Jan Olav Rosland
- Jan Gudmund Bleikelia
- Jens Zakarias Bergsland
- John-Torbjørn Wingereid
- Jens Sverre Nystein
- Jan Gunnar Gøystdal
- Jan Gunnar Gøystdal
- Jostein Kristian Eliassen
- Jens Helge Halvorsen
- Jo Erland Kjær
- Jarand Moen Romtveit
- Jan Kjell Rugtvedt Holding AS
- Jtm Bygg V/Jan Myhre
- Jha Consult Jostein Hamnebukt
- Jørn Gunnar Akerhaugen Eilevstjønn
- Jehovas Vitner - Langesund Menighet
- Jada Jada Holger Lockertsen
- Jødisk Nasjonalfond Keren Kajemet Lisrael
- Jan Heramb Karlsen - Herambs Nærservice
- Jp Consulting Johannes Andreas Lodberg Pyskow
- Jpf Support, V/ Jon Pieter Flølo