1. Vikram Sarabhai Space Centre (VSSC)
• Located in Trivandrum, Kerala.
• VSSC is responsible for the design and development of launch vehicle.
• Major programmes at VSSC are PSLV, GSLV, Rohini Sounding Rockets, (GSLV) Mk Ill, Reusable Launch Vehicles etc
2. Liquid Propulsion Systems Centre (LPSC)
• Located in two campuses namely- Valiamala, Thiruvananthapuram and Bengaluru.
• LPSC is centre for design, development and realisation of liquid propulsion stages for ISRO’s Launch Vehicles.
3. Satish Dhawan Space Centre (SDSC) SHAR
• Located in Nellore District of Andhra Pradesh
• Sriharikota is Spaceport of India, for providing Launch Base Infrastructure.
• Has separated launch pads for PSLV and GSLV.
4. U R Rao Satellite Centre (URSC)
• Located in Vimanapura Post, Bengaluru, Karnataka.
• Developing associated satellite technologies used for providing applications in the area of Communication, Navigation, Meteorology, Remote Sensing, Space Science and interplanetary explorations.
5. ISRO Propulsion Complex (IPRC)
• Located in Mahendragiri Hills, Tirunelveli District,
Tamil Nadu
• Equipped with the state-of-the-art facilities necessary for realising the cutting-edge propulsion technology.
6. Space Applications Centre (SAC)
• Located in Jodhpur Tekra, Ambawadi Vistar, Ahmedabad Gujrat.
• Involved in development of spaceborne and airborne instruments/payloads eg. INSAT, GSAT, DTH, VSAT etc for national and social benefits
7. National Remote Sensing Centre (NRSC)
• Located in Hyderabad,
Andhra Pradesh
• NRSC is responsible for remote sensing satellite data acquisition and processing, data dissemination, aerial remote sensing and decision support for disaster management.
8. ISRO Telemetry, Tracking and Command Network (ISTRAC)
• Located in Peenya Industrial Area, Bengaluru
• It provides tracking support (Telemetry, Tracking and Command (TTC) for all the satellite and launch vehicle missions of ISRO
9. Master Control Facility (MCF)
• Located in Hassan of Karnataka and Bhopal of Madhya Pradesh
• MCF controls all the satellites of ISRO, such as INSAT, GSAT, Kalpana and IRNSS etc series of satellites by continuous Tracking, Telemetry & Commanding (TT&C) operations, etc. and special operations.
10. ISRO Inertial Systems Unit (IISU)
• Located in Vattiyoorkavu,
Thiruvananthapuram, Kerela
• IISU is responsible for the design and development of Inertial Systems for Launch Vehicles and Spacecraft programmes of ISRO.
11. Laboratory for Electro-Optics Systems (LEOS)
• Located in Peenya Industrial Estate, Bengaluru
• LEOS designs develops and produces electro-optic sensors and optics for spacecraft use.
• Like sun sensors, earth sensors, star sensors, magnetic sensors, temperature sensors etc
12. Development and Educational Communication Unit (DECU)
• Located in Ambawadi Vistar, Jodhpur Tekra, Ahmedabad, Gujrat
• DECU enable Telemedicine (TM), Tele-Education (TE) etc and and other SATCOM based applications.
13. Indian Institute of Remote Sensing (IIRS)
• Located in Dehra Dun, Uttarakhand
• Premier institute in the field of space research in India.
14. ISRO HQ
• Located in Antariksh Bhavan, New BEL Road, Bangalore
• Working for promoting development and application of space science and technology in India.
15. New Space India Limited (NSIL)
• Located in ISRO HQ Campus, New BEL Road, Bengaluru
• It is the newest centre incorporated on 6 March 2019.
• Itis a wholly owned Government of India company, under the administrative control of Department of Space (DOS) of Central Government.
• It is commercial arm of ISRO to enabling Indian industries to take up high technology space activities.
16. Antrix Corporation Limited (ACL)
• Located in Antrix Complex, New BEL Road, Bengaluru
• Wholly owned Government of India Company under the administrative control of the Department of Space (DOS) of Central Government.
• ACL is commercial and marketing arm of ISRO.
Other Astronomy Institute
Aryabhatta Research Institute of Observational Sciences (ARIES)
• Located in Nainital, Uttarakhand
• Established on 20 April 1954
• Specializes in Astronomy, Astrophysics and Atmospheric Sciences
• Autonomous Institute under the Department of Science and Technology (DST)