- AAIWWA – Arcot Annai Indira Women’s Welfare Association, Vellore
- Academy of Coders & Health Information Professionals, Vellore
- Action for Rural & Urban Liftments Charity Trust, Vellore
- All India Social Welfare Development Trust, Vellore
- All Indian Minority Christian Trust, Vellore
- Annai Jaya Educational And Charitable Trust(AJET), Vellore
- Annai Seva Sadan, Vellore
- Best Trust, Vellore
- Centre for Rural Health & Social Education, Tirupattur Vellore
- Christian Medical College & Hospital, Vellore
- Coconut Growers Cum Agriculture Welfare Society, Vellore
- CREEDM Trust – Centre for Rural Education & Economic Development for Oppressed Mass Trust, Vellore
- Crusade Fundamental Research Institute, Vellore
- Dr Ambedkar Legal Center, Vaniyambadi
- Dr. Green Association, Vellore
- Dr. Peter Charitable Trust, Vellore
- Eco Friends Foundation Trust, Vellore
- Eden Garden Charitable Trust, Vellore
- Eden Garden Science Research Charitable Trust, Vellore
- Elohim Educational & Religious Charitable Trust, Vellore
- Elohim Educational and Charitable Trust, Vellore
- Female Education & Economic Development Trust, Vellore
- Following The Natural Way Guild, Vellore
- Fort of Praisechurch Activities & Educational Welfare Trust, Vellore
- Global Integrated Womens Society, Vaniyambadi
- Global Intrgrated Womens Society, Vellore
- GLOW – Guidance Society for Labour Orphans & Women, Vellore
- Guidance Society for Labour Orphans & Women, Vellore
- HELP – Human Empowerment & Lifting the Poor, Vellore
- Indian Rural Gospel Mission, Vellore
- Indian Rural People Service & Educational Organisation, Vellore
- IRPSEDO, Vellore
- IW-Ceed Society, Tiruvellore
- Kanchana Educational Trust, Vellore
- Kirupaiyen Kirupasanam, Vellore
- LEAF – Lives Ecology Animals Foundation, Vellore
- Magar Star Aids and Natural Social Service Trust, Vellore
- Matha Educational Trust, Vellore
- Melvisharam Muslim Education Society, Vellore
- Mother Theresa Medical Educational & Welfare Trust, Vellore
- N Rural People Service & Educational Development Organisation, Vellore
- Nehru Development & Educational Trust, Vellore
- New Life Charitable Trust, Ambur
- Newborn Foundation, Vellore
- Newlife Agency for Tribal People Upliftment, Vellore
- Pankaj Charity Foundation Trust, Vellore
- Pankajcharityfoundation Trust, Vellore
- Parai Oosai, Ambur
- Praveen’s Charitable Trust, Vellore
- Pyramid Educational Trust, Vellore