Bedrift L - Åros
- Lilac AS
- Lyskonsept AS
- LPG AS
- Lunde
- Lon AS
- Lakkerern AS
- Lillian Støa
- Lineli Invest AS
- Lotteritjenester Alf Smith
- Lek for alle AS
- Lunde Transport Service
- Lille Åros Vel
- Lege Fredrik Brunsvig-Engemoen
- Leon Bygg og Eiendomsservice AS
- Lions Club Røyken øst
- Lars Halvor Lien Taxi C-180
- Lisas Idrott & Kost Konsulting Lisa Gunilla Andersson