- AGNI – Ascetic Group of Naturalistic Insights, Idukki
- AKOWA, Idukki
- AVS, Idukki
- Highrange Environmental Agriculture and Tourism Development Society, Idukki
- Painavu Development Society, Idukki
- Relief and Life Society, Idukki
- Social Action Group for Science Technology & Humanity in Rural Areas, Idukki
- Solidarity Movement of India, Idukki
- Village Vision, Idukki
- VOSARD – Voluntary Organisation for Social Action & Rural Development, Idukki