- Srjindagi Foundation, Thane
- Srm Foundation, Gaya
- SRMEACT – Sri Renuga Medical, Educational & Charitable Trust, Vellore
- Srmeact Ngo, Vellore
- SRMNRS – Sri Ramana Maharshi Natural Remedies Society, Tiruvannamalai
- SROUT – Social Revival Group of Urban Rural & Tribal, Chhattisgarh
- Srpm Aspire Education and Welfare Society, Bhopal
- SRSD – Socity for Reserch & Sustainable Devolapment, Aurangabad
- SRU – Society for Rural Upliftment, Guwahati
- SRUDA – Society for Rural & Urban Develpment Society
- Srujan Bharati Sanstha, Solapur
- SRUJAN, Kandhamal
- Srujanavani Voluntary Association, Visakhapatnam
- SRUJANEE, Jagatsinghpur
- SRUSHTI, Ahmednagar
- SRUSHTI, Hyderabad
- SRUSTHEE, Cuttack
- Srusti – A Creative Center, Bhubaneswar
- Sruthi Trust, Madurai
- Sruti Disability Rights Centre, Kolkata
- Sruti, Bangalore
- SRUWRA – Society for Rural & Urban Women’s Renaissance Activities, Sivaganga
- SRV – Sewa, Indore
- SRWDT – Sangamam Trust, Theni
- Ss Foundation for Integrated Development Society, Uravakonda
- Ss Social Foundation Trust, Lucknow
- SSA – India, Ahmedabad
- SSA – Satnam Sewa Ashram, Mandi
- SSAR – Society for Social Action & Research, Varanasi
- SSDF – Social Security & Development Foundation, New Delhi
- SSEWA – Shri Sai Educational & Welfare Association, Delhi
- SSH – Society for Serving Humanity, Dindigul
- Sshareef Gramudhyog Vikas Kendra, Moradabad
- SSKM Society, Dehradun
- SSMI – Swami Sivananda Memorial Institute, New Delhi
- SSNM Trust, Chennai
- SSS – Societ of Science Students, Krishna
- SSS Educational Society, Agra
- Sss, Lucknow
- Sssrds, Anantapur
- SSUD – Society for Social Unity & Development, Puri
- SSV – Samaj Samata Ani Vikas Santha, Thane
- SSVK – Samajik Shaikshanik Vikas Kendra, Madhubani
- SSVK, Supaul
- SSVS Trust, Swathanthara Senani Venkatappa Shetty Memorial Public Charitable Trust, Kolar
- SSWARG – Society for Social Welfare & Rational Growth, Kolkata
- SSWES – Sneha Social Welfare & Educational Society, Delhi
- St Catherine’s Home, Mumbai
- St John Society for Development Service, Villupuram
- St John’s Medical College Hospital, Bangalore