- SAMSKAARA, Hyderabad
- Samson Rural and Urban Needy Society, Hyderabad
- Sangam Laxmi Bai Vidyapeet, Hyderabad
- Sanghamitra Foundation Trust, Hyderabad
- Sanhita Maitri, Hyderabad
- Sanjeeva Reddy Nagar, Hyderabad
- Sanjiivani Education & Cultural Trust, Hyderabad
- Sankalp for Good Cause, Hyderabad
- SAO India – Share An Opportunity India, Hyderabad
- Saral Services, Secunderabad
- Sarthak Vikalp Foundation, Secunderabad
- Sarvodaya Swachanda Seva Society, Hyderabad
- Sathkruthi Organisation, Hyderabad
- Satsang Vihar, Hyderabad
- Sea ( Scholar Educational Academy), Hyderabad
- SEARCH – Society for Education on Aids & Rehabilitation Centre for Home Less, Hyderabad
- SEEDS – Scientific Environment Education Developmet Society, Hyderabad
- Seek a Miracle Ataxia Group, Secunderabad
- Serve the Needy, Hyderabad
- Seva – Free Counselling Centre, Secunderabad
- Seva Bharathi, Hyderabad
- Shankarananda Kalakshetra, Hyderabad
- She Foundation – Social Awareness, Health & Education, Hyderabad
- Sheeba Welfare Society, Hyderabad
- SHEPHERD, Hyderabad
- Shiva Sai Educational Society, Hyderabad
- Siva Prasad Memorial Trust, Hyderabad
- Sivananda Rehabilitation Home, Hyderabad
- Smile for Life Foundation, Secunderabad
- Snake Cell, Hyderabad
- Sneha Society, Hyderabad
- So Hum – Society for Humanity, Hyderabad
- SOCH, Hyderabad
- Society for Health Education Poverty Alleviation & Rural Development, Hyderabad
- Society For Helping Integrity Network For Empowerment (SHINE), Hyderabad
- Society for Integrated Development in Urban & Rural Areas, Hyderabad
- Society for Preservation of Environment & Quality of Life, Hyderabad
- Society for Research & Development, Hyderabad
- Society for Rural Awakening & Community Organisation, Secundrabad
- Society for Solidarity & Reconstruction, Hyderabad
- Society for the Upliftment of the Needy (SUN), Secunderabad
- Society of Young Scientist, Secunderabad
- SOFTWAY – Society for the Welfare of Youth, Hyderabad
- Sonal Foundation, Hyderabad
- Spandana Society, Hyderabad
- Spark Foundation, Hyderabad
- SPERDS, Hyderabad
- Sphoorthi Theatre for Educational Puppetry and Art & Craft-Steparc, Hyderabad
- Sphoorti Foundation, Hyderabad
- Spoorthy Services Society, Secunderabad
