- PEOPLE INITIATIVE IN ENVIRONMENTAL EDUCATION AND PROTECTION NON-GOVERNMENT ORGANIZATION TANZANIA. (PIEEP)
- Postive steps in Arumeru (POSA)
- Private-Extension Services
- Promise for Vulnerable Children Project by Church of God, Arusha Branch
- Raycredible
- RED HOUSE ENGLISH MEDIUM SCHOOL
- Return Home Development Organization(REDO)
- SAKILA HOPE FOR ELDERLY
- SIMBA MASAI THEATRE GROUP
- STOP TEENAGE PREGNANCIES IN TANZANIA FOUNDATION