Bedrift J - Holmestrand
- Jazzberry AS
- Jear AS
- Just4kicks
- Just4kicks
- Jarlsberg Trafikkskole AS
- Jarlsberg Trafikkskole AS
- Jensen Rune
- Jolly Bob AS
- Jarlsberg Avis AS
- Jg Plastsveis AS
- Jenny Ness
- Jørn Solberg
- Johansen Dykk
- Jensen Laila
- Johnny Køso
- Johnsens Nektar
- Jazzberry Holding AS
- Jj Beauty AS
- Jbl Invest AS
- Jbg Holding AS
- Jah Elektro AS
- Johan Sølvernes
- Jahre Fysioterapi
- Jonstang Maskinentreprenør
- Jarlsberg Varmeteknikk AS
- Jarlsborgveien Utvikling AS
- Jbø Eiendom AS
- Jbhansen Invest AS
- Jon Zimmermann
- Jeanette Stenberg
- Jørn Fossheim
- Johansson Performance
- Jonas Salminis
- Jar Anlegg AS
- Johnsen Solutions
- Jon Hjelmtvedt
- Jafs Holmestrand
- Jack Oluf Frostad
- Jens Evang Ingebretsen
- Jarlsberg Eiendomselskab Holding AS
- Johansen Kjetil Kraft
- Jan Harald Topstad
- Jan-Tore Saltnes
- Jan Tore Dahlen
- Jon Petter Helgestad
- Jensen Norsk Statsburger
- Jarrar Marine Automation
- Jancon Jan Myklebust
- J Slåtta Transport
- Jm Aven Holding AS
- Jørgen Gran Corneliussen
- Jessica Nazareno Ellingsen
- Jorun Margrethe Ulvestad
- Jan Tore Foss
- Jan-Tore Åkerholt
- Johan Kristian Kjøll
- Jon Endre Røed Olsen
- J.Ö. Scheving Service
- Jensen Drift og Vedlikehold AS
- Jolo Agri Jørund Lothe
- Joga Konsulenttjenester Gabriel Johannessen
- Julia Rebecka Garcia Skilbrei
- Jehovas Vitner - Holmestrand Menighet
- Jensens Curlyhester Lene Jensen
- Jahr Tak og Fasade
- Johannessen Jan Ole Bache
- Janus-Faced By Jason Schjerven
- Jans Utleiefirma Jan Arne Kaworek
- Jørgensen Motor Per Arnstein Jørgensen
- Jans Vedlikeholdsservice Jan-Andre Fedreheim Karlsen
- Jo Leifs Kreative Tenester Jo Leif Grytøyr Strønen