Bedrift J - Blommenholm
- Jemoto AS
- Jumpstarter AS
- Jpi AS
- Jonatann AS
- Jupiter Properties AS
- Jaeck Invest AS
- Jko Holding AS
- Jacek Dziuk
- Jibril Innovations
- Jaro Gruppen AS
- Ju-Helse AS
- Jds Invest AS
- Janne Marie Røising
- Jakub Kryzysztof Pawlak
- Johnsen Retail Consulting
- Jacek Eugeniusz Wanczyk
- Jockey Mette Hanssen
- Jakob N. Rabe
- Jeriko Vann- og Avløpslag SA
- J. Monier Cement- og Betongstøperi AS