Bedrift J - Langhus
- Jegermeg AS
- Jolu AS
- Jonas Platac
- Jomfruland Hytteeierforening
- Jo Gunnarshaug
- Joanna Wansacz
- Julie Pavola
- Jr Rørservice AS
- Jnt Holding AS
- Jonstøl Invest AS
- Jv Media AS
- Jabi Holding AS
- Juel Holding AS
- Jordbærstien Velforening
- Jsv Consulting AS
- Joker Langhus
- Jettegryta Barnehage
- Jeremiassen Ivar
- Johnsen Knut B
- Janke Production Ellingsen
- Jan Clemens Carlsen
- Johansen Ole Emil
- Justine Pliszka Renhold
- Jørgen Røgeberg Consulting
- J Hansen Vaskehjelp
- Jeanett H Johnsen
- Jessica Tellander Albertsen
- Johansen Sofie-Brekke
- June Vibeke Berntsen
- Jack Mason Rogers
- Je Rindli Holding AS
- Judith Preisig Parviainen
- Jernbanegata 1 Eiendom AS
- Jernbanegaten 6 Kongsvinger AS
- Jernbanegata 3 Porsgrunn AS
- Julie Miliane Invest AS
- Jurist Lene Berggraf-Larsen
- Jansson Bygg & Service
- Jan-Egil Engnes Illyria
- Jaupi Vina Hysen Rør
- Jqrgencorp Jørgen Svennevik Notland
- Joi Design Jan-Ove Iversen
- Josteins Teater og Tale Jostein Mellegård Jakobsen