Bedrift I - Lambertseter
- Itniq AS
- Iversen Enk
- Itiro AS
- Interiørfolie AS
- Interiørfolie AS
- Idestart AS
- Ingunn Kristoffersen
- Igor Maslij
- Indre Dauksyte
- Imja Holding AS
- Ingri Jacobsen
- Iryna Antoshchenko
- Ifixer Marø
- Ingebjør Westgaard
- Inge Bremnes
- Imnn Invest AS
- Idefix Invest AS
- Infra Invest AS
- Isse Hassan Roble
- Isabirye Onpoint Deliveries
- Ingrid Meidell Noodt
- Iain Ray Powell
- Instinct Lambertseter Senter
- Irene Steien Nilsen
- Inger Irene Bokerød
- Ibrar Hussain Consulting
- Ina Kristin Johnsen
- Image Studios Knut Brekke
- Ingvild Rongved Lind Psykologtjenester
- Ishnoor & Dishaan Avd. Lambertseter AS
- International Trading Group Itg AS
- Insight Jakob Sverre Løvstad
- Inspira Norge Alona Zobnina
- Ingrid Margitte Narvesen Musikk
- Ikf International Krav Maga Federation
- Ingers Prosjektrådivning Inger Sylvia Johannesson
- Ida Julie Mørk Albertsens Surdeigshimmelriket
- Integreringsklubben for Kvinner, Barn og Ungdom
- Ingeborg Andresen Akupressur og Helthetlig Kroppsterapi
- Iva World Enterprises Zdravka Rosenova Ivanova
- Isaia C. Holsæter - Looking At Freedom