- MASASI FARMERS AND MARKETING ASSOCIATION
- Masasi Non-governmental Organization Network
- MASASI PEOPLE LIVING WITH HIV/AIDS GROUPS NETWORK
- MASASI SPORTS AND FARMING ASSOCIATION
- MASASI YOUTH DEVELOPMENT GROUPS NETWORK
- MASWA NON GOVERNMENTAL ORGANIZATIONS NETWORK
- MASWA UMOJA WA WANAWAKE WA KIISLAM
- Matemwe Control HIV/AIDS, Education and Environment (MCAEE)
- Matengo Development plans
- MATOMBO NEW VISION DEVELOPMENT ORGANIZATION