- Samarthya Prayas Samaj Kalyan Ewam Nari Utthan Samiti, Bhopal
- Samasrujana Rural & Tribal Development Organisation, Polavaram
- Samata Bahuudeshiya Santsha, Nagpur
- Samata Mahila Mandal, Raipur
- Samata Mahila Seva Samiti, West Godavari
- Samata Shikashan Prasarak Mandal,Jalna
- Samata Vidya Vihar Samiti, Indore
- Samatha Mamatha Rural Development Society, Ongole
- Samatha Samskarika Vedi, Mannoorkonam
- Samay Foundation, Delhi
- Samay Foundation, Lucknow
- Samay Swayam Sevi Sangthan, Gwalior
- Sambal Sansthan, Jaipur
- Sambal Social Welfare Society, Patna
- Sambandh Samiti, New Delhi
- SAMBANDH, Champawat
- SAMBHAB, Burdwan
- SAMBHAV – Social Action for Mobilizatio Betterment of Humans Through Audio-Visuals, Hisar
- Sambhav Foundation, Bangalore
- Sambhav Foundation, Lucknow
- Sambhav Foundation, Mumbai
- Sambhav Mahila Sangh Samiti, Indore
- Sambhav Sanjeevni, Patna
- Sambhav Social Service Organisation, Gwalior
- Sambhav Social Societ, Dehradun
- Sambhava Foundation, Delhi
- Sambhavana Sansthan, Dehradun
- Sambhavana Welfare Society, Gurgaon
- Sambhavna Trust, Bhopal
- SAMBHAVNA, New Delhi
- Sambhawana Society, Pithoragarh
- Samdars Manav Sewa Sansthan, Lucknow
- Samearth Foundation, Faridabad
- Sameena Begum Raza Educational Development Society, Bareilly
- Samerpan – Samajik Jagrukta Ewam Vikas ke Baradhte Kadam, Patna
- Samerth Trust, Ahmedabad
- Samgra Mahila Vikas Evam Swasthya Sansthan, Churu
- Samgra Pragati Sansthan, Lucknow
- Samgra Vikas Jan Kayan Samiti, Jhansi
- Samgra Vikas Seva Sansthan, Jaipur
- Samgra Vikash Sansthan, Jaipur
- Samhita, Manthini, Karimnagar
- SAMIDA – Sangamithra Development Association, Visakhapatnam
- Samidha Social Welfare Society, Amravati
- Samijk Klyan Sangatan Ocean, Shimla
- Samiksha Shiksha Sanstha, New Delhi
- SAMIKSHANI, Kolkata
- SAMISTI, Hyderabad
- Samjeevan Bahuudeshiy Welfare Seva , Solapur
- Samjyogitha Mahila Mathu Grameen Abhivrudhi Sanstha, Gangavathi
