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.
ISRO Centres
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.
ISRO Centres
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. NewSpace 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)