Firma J - Grålum
- Jelsnes AS
- Jensen Scouting
- Johnsen Carspa
- Jkhm Invest AS
- Jas Eiendom AS
- Jr Box AS
- Johannessen Vibeke
- Johansen Medisinske
- Johansen Øyvind
- Jamac 333 AS
- Javi Musik AB
- Jcg Holding AS
- Jr Bjerknes
- Jtø Eiendom DA
- Julie Grimsrud AS
- Jan Ivar Dahl
- Jens Syver Opstad
- Jørn Gunnar Nilsen
- Jakomina J. Muilwijk
- Jørgen A Nilsen
- Jan Edvardsen Eiendomsselskap AS
- Jens Martin Nybøle
- Jakobsen Anita Rakstad
- Jan Erik Hansen
- Jaroslaw Domaros Bygg
- Josef El-Achkar
- Jaktia Sarpsborg - Holstad Våpen AS
- John André Lium-Netland
- J & J Eiendom AS
- Janusz Serafin Bud-Pol
- Jr Consult Jørn Røsting
- Jeanette Piercing Jeanette Holdt Larsen
- Junes Hårstudio June E Haraldsen