- MAISHA Foundation
- MANLUKU YOUTH DEVELOPMENT INITIATIVES TANZANIA
- Mapambano Zidi ya TB na Ukimwi
- MAPAMBAZUKO ILEMBULA
- MARAFIKI WA ELIMU MBEYA(Mbeya Friends of Education)
- Maranye Agro Processing Social Business
- MASASI FARMERS AND MARKETING ASSOCIATION
- Matemwe Control HIV/AIDS, Education and Environment (MCAEE)
- MATOMBO NEW VISION DEVELOPMENT ORGANIZATION
- Matumaini Environment Trust