Bedrift I - Holmestrand
- Iglootech AS
- Impatiens AS
- Isdamveien AS
- Innoxema AS
- Inconsult AS
- Ivana Kortusova
- Ivan Vereskun
- Ivan Savula
- Investeringsselskapet Trifolium AS
- Ingerid Ezhno
- Intersport Holmestrand
- Ingeborg Reggestad
- Id Holding AS
- Ingeborg Lindseth
- Id Eiendom AS
- Interart Design AS
- Ilma Lager AS
- Irbil Design
- Iversen Erik
- Ida Fuglerud
- Ingegerd Lorange
- Interart Design AS
- Indres Renhold AS
- Ingunn Solberg
- Ioan Covasan
- Ingrid Flottorp
- Isabell Stenberg Invest
- International Technology Alliance AS
- Iwona Rembosz Renhold
- Industriveien 2 Holmestrand AS
- Innognite, Kay Seljeseth
- Ingeborg Kalager Sølverud
- Igm Shop Norge AS
- Inger Marie Eriksrud
- Innlandet MC og Fritid
- Iz Vedlikehold Ignas Zalanskis
- Innlandet MC og Fritid
- IT Consult Johan Næss
- Inger Kristin Nereng Thorhallsson
- Ivars Konsulent-Tjenester Ivar Valset
- Indian Kitchen & Bar Holmestrand
- Ingo Friesen Rør og Varmeteknikk
- I Am Isabelle Aguilera Myrvold
- In.Bu Beauty House Buzinskiene
- ISS Facility Services AS Avd 415139 Nap Holmestrand