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