- Aadhyan Foundation, Bangalore
- Aapatsahaaya Foundation, Bangalore
- Aarushi Foundation, Bengaluru
- Aasha Deepam, Bangalore
- Aashayein Foundation, Bangalore
- Aashra Foundation, Bangalore
- Abhaya Mahila Kendra, Bangalore
- ABHAYAA, Bangalore
- ABILASHRAYAM, Bangalore
- Ablaashrama, Bangalore
- Academy for Severe Handicaps & Autism, Bangalore
- ACCESS, Bangalore
- Action Aid India, Bangalore
- Action for Water Development Mysore Society, Bangalore
- Action Service Hope for AIDS, Bangalore
- Acts Of Hope, Kasavanahalli, Bangalore
- Adam Charitable & Educational Trust, Bangalore
- Adamya Foundation, Bangalore
- AFCARE – Association for Care, Rehabilitation & Education of the Mentally Disabled & Disturbed, Bangalore
- AFPRO – Action for Food Production Field Unit II, Bangalore
- Agastya International Foundation, Bangalore
- Aghori Global Foundation, Bangalore
- Agriculture, Man & Ecology, Bangalore
- AHP – Action on Hunger and Poverty Foundation, Bangalore
- Aina Trust, Bangalore
- AIUS – Arkessence International United Society, Bangalore
- Akhar – Sevice of Humanity, Bangalore
- Akshara Foundation, Bangalore
- Aksharam Charitable Foundation, Bangalore
- Alilu Seva Sanstha, Bangalore
- All Children Welfare Foundation, Bangalore
- All India Human Rights Organization, Bangalore
- Amit Jnana Jyothi Foundation Trust, Bangalore
- Ammanni Charitable Trust, Bangalore
- Anand Ashram, Bangalore
- Ananke – A Social Service Organisation, Bangalore
- ANCHORAGE, Bangalore
- Anga Karunya Kendra, Bangalore
- Angels Community Trust, Bangalore
- Ankura Foundation, Bangalore
- Antharal Charitable Foundation, Bengaluru
- Arambha Trust, Bengaluru
- Archdiocesan Communications Centre, Bangalore
- Art of Life Foundation Social Action ( ALFSA ), Bangalore
- Aryajana Seva Trust, Bangalore
- Asaktha Poshaka Sabha, Bangalore
- Asha Foundation, Bangalore
- Ashraya Multipurpose Co-operative Society, Bangalore
- Asian Institute for Rural Development, Bangalore
- Association for Social Health in India, Bangalore