- Landany Secondary School DSM (LASSCO) Under Shake Hands Youth Organisation(N.G.O)
- Learn to Serve Community of Tanzania (LESCOTA)
- LEGAL AID AND SOCIAL WELFARE ASSOCIATION
- LIFE TRANSFORMERS IN RURAL AREAS(LITRA)- TANZANIA
- LIGHT DREAM ORGANIZATION
- Light For Life
- LIGHT FOR THE NEEDY GROUP
- LIGHTNESS TANZANIA ORGANIZATION
- LIGHTNESS TANZANIA ORGANIZATION-registration no.OONGO/00007748
- Lilikokona Environmental and Farming Enterprises