Firma J - Ullern
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- Jaquesson Sølvi Véronique
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- Jesper Borgen - the Musician
- Jan Øyvind Larsen Invest AS
- Jonasmflaten Jonas Mølmesdal Flaten
- Joneien Leah Johnson Design
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- Johs Solberg AS Ingeniør og Entreprenørforretning
- Jaha Lederassistanse Headhunter Jon Arne Hagene
- Jpfkoren Flis og Kvist Jens Petter Frimann Koren