Bedrift L - Jakobsli
- Lingborn
- Lufthus AS
- Lettbo AS
- Livegym AS
- Love
- Lyen Musikk
- Lea Hustad
- Lah Advokatfirma AS
- Ltj Eiendom AS
- Lillemy Racing
- Løvmyr Solveig
- Lillemy Racing
- Lettbo 2 AS
- Lettbo Illevol AS
- Laugmo Invest AS
- Lettbo Tomt AS
- Langørgen Stein
- Landrø Marius
- Lars Arntzen Holding AS
- Logos Mengesha Transport
- Lyngmo Vera R. Fryd
- L.H.L. Trondheim øst. Lag
- L.H.L. Trondheim øst. Lag
- Lade Bo- og Aktivitetstilbud Dalheimvegen 2b