Bedrift J - Ottestad
- Johnsgård AS
- Juemno AS
- Jorkjend Eiendom
- Jajabe Forening
- Jajabe Forening
- Jot Holding AS
- Jpl Transport AS
- Jørund Andre AS
- Jumina Design AS
- Johansen Teleservice
- Jnp Holding AS
- Jan Stensbak
- Jønsberg Eiendom
- Jon Andersen
- Johannes Gartland
- Jendal Holding AS
- Jørgen Vangsgraven
- Jorkjend Båt
- Jernbanens Idrettslag Hamar
- Jan Erik Heggelund
- Jana Diderikke Winderen
- John Christian Fjellestad
- Jan Erik Kleven
- Jernbanens Idrettslag Hamar
- Janusz Adam Biesiada
- Jens Amund Kristoffersen
- Jon Iver Rustad
- Julia Stubberud Rom
- Jens Olav Løvås
- Jan Olav Bø
- Jon Ingar Myhre
- Jarles Gløtvolds Veiledningstjeneste
- Jo Erik Tangnes
- J Kulsveen Holding AS
- Jordbærkiosken på Søndre Elton
- Jakobsen Tekleasing og Kurs
- Johnsonrecords Annprincess Johnson Koffa
- Jens N Johansen Transport AS
- J.M.Maler Jonny Martinussen