- Integrated National Development Centre for Advancements Reforms & Education, New Delhi
- Integrated Needy Development Intiative Asociation, Guntur
- Integrated Planning Extension Education Communications Agency, Lucknow
- Integrated Project for Youth Culture & Environment Development Trust, Mandya
- Integrated Rural & Urban Development Society, Lucknow
- Integrated Rural Community Development Society, Tiruvallur
- Integrated Rural Development Centre, Dimapur
- Integrated Rural Development of Weaker Sections in India, Koraput
- Integrated Rural Development Organization, Mahabubnagar
- Integrated Rural Development Services, Secunderabad
- Integrated Rural Development Society, Anantapur
- Integrated Rural Development Society, Prakasam
- Integrated Rural Educational Society, Kuppam
- Integrated Rural People Development Society, Madurai
- Integrated Rural People Welfare Association, Vizianagaram
- Integrated Social Welfare & Rural Development Society, Mayurbhanj
- Integrated Society for Health & Community Development, New Delhi
- Integrated Tribal Shining Society (ITSS), Biswanath
- Integrated Women Development & Health Institute, Churu
- Integrated Women Development Institute, Chennai
- Integrated Youth Association, Chennai
- Integreted Rural Devalopment Society, Kurnool
- Intellectual Educational Society, Jaunpur
- Inter Church Service Association, Chennai
- Inter Face Educational & Social Development Society, Chittoor
- Inter Mission Industrial Development Association, Chennai
- Intercultural Resources, New Delhi
- Interface Foundation, Bhubaneswar
- Interface National Devolopment Inovative Society, Chittoor
- Interface, Bangalore
- Interior Outreach Ministries Association, Visakhapatnam
- Internal Skill Development Society, Thane
- International Animal & Birds Welfare Society, Guttur
- International Centre for Entrepreneurship and Career Development, Ahmedabad
- International Children Evangelical Trust, Trichy
- International Computer Centre, Tonk
- International Development Consultancy & Research Foundation, Nilgiri
- International Development Research Centre, SARO, New Delhi
- International Education and Research Society, Kupwara
- International Educational Trust, Tirunelveli
- International Energy Initiative, Bangalore
- International Finance Corporation, New Delhi
- International Foundation for Crime Prevention and Victim Care, Chennai
- International Herbal Water Foundation, Chennai
- International Human Resource Development Organisation, Bangalore
- International Human Right Protection Association, Patna
- International Human Rights Association, Pune
- International Human Rights Foundation, Chennai
- International Human Rights Organization For Police Public Press, Patiala
- International Institute for Non Aligned Studies, New Delhi
