Bedrift J - Frogner
- Jeksla AS
- Jovo AS
- Junomobil AS
- Johansen Agility
- Jeanette Kristiansen
- Jeyakanthan Consulting
- Jørgen Klemetsrud
- Jensen Andreassen Enk
- Johnson Power
- Jostein Elli
- Jj Bygg DA
- Jorunn Skogseth
- Joselin Invest AS
- Ja VVS AS
- Joda Intertrade AS
- Jb Montering AS
- Jsm Group AS
- Jømne Rekruttering
- Jømne Bilsalg
- Johannessen Engineering
- J Consult AS
- Jamal Maqbool
- Jan Kopperud
- Jan Kopperud
- Jenny Jensen AS
- Johansen Sjåførtjenesten
- Jkd Invest AS
- Jag Services AS
- Jaudzems Haf Transport
- Jose Sliva Ferreira
- Jørn Morten Slaaen
- Jan Petter Mæhlen
- Jalil Taxi Service
- Jan Arild Enger Transport
- JS Transport Janis Seksts
- J.K. Nyamekye Transport
- Jba Renhold og Bygg AS
- Jennys Fotpleie Jenny Kretzschmar
- Jba Renhold og Bygg AS
- Jelmar Service Tjenester Marcin Jelonek