On 9 February 1970 the SNR Trust was founded. Sri S.N.Rangaswamy Naidu – The Visionary behind the Trust was a man who dared to dream, and in his dream he wove a special niche for service to humanity. Being an ardent devotee of Sri Ramakrishna Paramahamsa he strongly believed that Service to mankind was service to God. This great doyen sired four illustrious sons who went on to become the Founder Trustees of the SNR Group. The Institutions run by the Trust are:
- Sri Ramakrishna Kalyana Mandapam - Community Hall, Siddhapudur
- Sri Ramakrishna Hospital - 550 Bedded hospital, Siddhapudur
- Sri Ramakrishna Matriculation School, Siddhapudur
- Sri Ramakrishna Matriculation School, Vattamalaipalayam
- Sri Ramakrishna Institute of Paramedical Sciences, Siddhapudur
- S.N.R.Sons College, Siddhapudur
- Sri Ramakrishna College of Arts & Science for Women, Siddhapudur
- Sri Ramakrishna College of Engineering, Vattamalaipalayam
- Sri Ramakrishna Institute of Technology, Pachapalayam
- Sri Ramakrishna Polytechinic, Vattamalaipalayam
- Vrudhrashram (Old age Home), Siddhapudur
- Sri Ramakrishna Dental College & Hospital, Siddhapudur
- Sri Ramakrishna Rural Health Centre, Vattamalaipalayam
- Sri Ramakrishna Rural Health Centre, Pachapalayam
